Declared Rare and Poorly Known Flora in the Warren Region
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GLOSSARY abaxial of the side or surface of an organ, facing away from the axis. cf. adaxial achene a dry indehiscent 1-seeded fruit, from an either superior or inferior ovary of 1 carpel, with the seed not fused to the fruit wall; eg as in Ranunculaceae (from a superior ovary) and Asteraceae (from an inferior ovary and usually topped by the pappus and sometimes called a cypsela) acrocarpous with the sporophyte produced at the end of the stem or main branch. acuminate tapering gradually to a protracted point acute terminating in a distinct but not protracted point, the converging edges separated by an angle less than 90 degrees adaxial of the side or surface of an organ, facing towards the axis. cf. abaxial adnate fused to an organ of a different kind, eg. applied to a stamen fused to a petal alar cells with reference to mosses, cells at the base angle of a leaf, often distinctive in shape, size and colour alternate of leaves or other lateral organs, borne singly at different heights on the axis; of floral parts, on a different radius, eg describing the position of stamens with respect to petals annual a plant whose life span ends within one year after germination anterior of floral organs, on the side of the flower farthest from the axis or toward the subtending (enclosing) bract. cf. posterior. anthesis the time of opening of a flower appendage a structure arising from the surface or extending beyond the tip of another structure appressed pressed closely against but not united with ascending growing erect after an oblique or semi-horizontal beginning attenuate tapering gradually auricle an ear-shaped appendage at the base of a leaf, leaflet or corolla lobe. adj. auriculate auriculate see auricle awn a bristle-like appendage, eg on the tip or back of the lemma of a grass floret axil the angle between a leaf or bract and the axis bearing it. adj. axillary axillary see axil axis a stem, commonly used for the main stem of a whole plant or of an inflorescence basal at the base; attached or grouped at the base, eg. of leaves in a rosette; of placentation, with the placenta at the base of the ovary 279 barbate bearded, having tufts of hairs beak a prominent terminal projection, especially of a carpel or fruit berry a fleshy or pulpy indehiscent fruit with the seed(s) embedded in the fleshy tissue of the pericarp bipinnatisect twice pinnately divided, lobes almost to base or midribs bisexual with both stamens and carpels present and functional on a flower. cf. unisexual bract a leaf-like structure, different in form from the foliage leaves and without an axillary bud, associated with an inflorescence or flower bracteole a small bract-like structure borne singly or in pairs on the pedicel or calyx of a flower caducous falling off early. cf. persistent calli in Dampiera small outgrowths in the throat of the corolla (acting as tactile guides for pollinators) callus a protruding mass of hardened tissue, often formed after an injury but sometimes a regular feature of the plant, eg. on the labellum of some orchids and the axis of the spikelet of some grasses calyx the sepals of one flower collectively calyx-tube a tube formed by fusion or cohesion of sepals. cf. hypanthium campanulate bell-shaped capitulum a racemose inflorescence with sessile flowers compacted on a flattened and expanded, or rounded apex of a peduncle. pl capitula capsule a dry fruit formed from two or more united carpels and dehiscing at maturity to release the seeds cheridium a sleeve like structure in Calytrix made up of persistent bracteoles on an extended peduncle and connate to it cilia in unicellular plants, gametes, spores etc, minute hair-like protoplasmic protrusions whose movement confers motility on the cell; in higher plants, hairs more or less confined to the margins of an organ. sing. cilium; adj. ciliate ciliate see cilia clavate club-shaped claw a narrow, stalk-like basal portion of a petal, sepal or bract cleistocarpus without an operculum and therefore not regularly dehiscent clonal see clone clone a set of organisms produced from one parent by vegetative reproduction. adj. clonal 280 column a structure in Orchidaceae, Asclepiadaceae and Stylidiaceae, extending above the ovary of a flower and incorporating stigma, style and stamens compressed flattened in one plane, either dorsally (bringing the front and back closer together) or laterally (bringing the sides closer together) compound of a leaf, having the blade divided into two or more distinct leaflets; of an inflorescence, made up of an aggregate of smaller inflorescences cone (loosely) in Casuarina, a woody multiple fruit incorporating the bracts and bracteoles associated with the flowers conflorescence a compound inflorescence consisting of two or more unit inflorescences connate fused to another organ (or other organs) of the same kind connivent coming into contact; converging cordate of a leaf blade, broad and notched at the base; heart-shaped corolla the petals of a flower collectively corona a ring of tissue arising from the corolla or perianth of a flower and standing between the perianth lobes and the stamens corymb a racemose inflorescence in which the pedicels of the lower flowers are longer than those of the flowers above, bringing all flowers to about the same level costa with reference to mosses, the rib or nerve of a leaf, single or double crenate with small, rounded teeth; scalloped crenulate minutely scalloped crown the part of a tree or shrub above the level of the lowest branch culm an aerial stem, in grasses, sedges, rushes, etc., bearing the inflorescence cuneate wedge-shaped cymbiform concave and boat shaped cyme an inflorescence in which each flower, in turn, is formed at the tip of a growing axis and further flowers are formed on branches arising below it. adj. cymose cymose see cyme deciduous falling seasonally, eg of the leaves or bark of some trees decumbent spreading horizontally but then growing upwards decussate in pairs, with successive pairs borne at right angles to each other dehiscent breaking open at maturity to release the contents dentate toothed denticulate finely toothed 281 deltoid triangular with the sides of about equal length digitate branching from the axis or stalk like the fingers of a hand dimorphic of two different forms dioecious having the male and female reproductive structures on separate plants. cf. monoecious disc a plate or rim of tissue, derived from the receptacle of a flower, occurring between whorls of floral parts discolorous having 2 colours, eg. upper and lower surfaces of a leaf being of different colours divaricate widely spreading dorsal when referring to thallous liverworts, the upper surface, facing away from the substrate dorsifixed attached at or by the back edaphic pertaining to the soil elliptic oval in outline, widest at the centre emarginate having a broad, shallow notch at the apex emergent rising above the surrounding plants endemic having a natural distribution confined to a particular geographical region endocarp the innermost layer of a pericarp entire having a smooth margin, not dissected or toothed ephemeral short-lived erect upright, perpendicular erose margin irregularly incised, appearing eroded, gnawed or irregularly toothed exocarp the outer layer of a pericarp exserted protruding, eg of stamens with respect to a corolla tube falcate sickle-shaped family a group of one to many genera believed to be related phylogenetically, usually clearly separable from other such groups fascicle a cluster, adj. fasciculate filament the stalk of a stamen; a thread one or more cells thick; in blue-green Algae, a trichome enclosed in a mucilaginous sheath filiform thread-like flabelliform fan shaped 282 floral belonging to or associated with a flower floret a grass flower, together with the lemma and palea that enclose it (often applied to flowers in Cyperaceae and Asteraceae) fimbriate fringed follicle a dry, dehiscent fruit formed from one carpel and dehiscing along the line of fusion of its edges free not fused or united (with other organs) fruit the seed-bearing structure in angiosperms formed from the ovary after flowering gemmae specialised units of vegetative reproduction; morphologically distinct propogules, not casual fragments genus a group of species believed to be related phylogenetically and usually clearly separable from other such groups, or a single species without close relatives. pl. genera glabrescent becoming glabrous glabrous without hairs gland a structure, without or on the surface of a plant, with a secretory function glandular bearing glands; functioning as a gland glaucous blue-green in colour, with a whitish bloom (as in the juvenile leaves of many eucalypts) globular 3 dimensional shape; spherical or orbicular; approximately circular in cross section glume one of the two bracts at the base of the grass spikelet; in sedges and rushes refers to the very small bracts of the spikelet in which each flower is subtended by a floral glume, and in which there are often several empty glumes in a spikelet habit the growth form of a plant, comprising its size, shape, texture and orientation habitat the environment in which a plant lives herb any vascular plant that never produces a woody stem herbaceous not woody; soft in texture hermaphrodite bisexual hirsute bearing coarse, rough, longish hairs hoary covered with a greyish layer of very short, closely interwoven hairs hyaline translucent, almost like clear glass hypanthium the part of the flower enveloping an ovary and formed by the fusion of the calyx tube, corolla tube and sometimes stamen filaments and receptacle; also referred to as calyx tube, floral tube or perigynium 283 hypogenous borne below the ovary; used to describe the flower structure when the ovary is superior and as such the floral whorls and stamens are inserted below the ovary hypogenous bristle in Cyperaceae, petals and sepals often when present have been reduced to bristle like appendages imbricate of perianth parts, having the edges overlapping in the bud included enclosed, not protruding, cf. exserted incurved bent or curved inwards or upwards; of leaf margins, curved towards the adaxial surface indehiscent not breaking open at maturity to release the contents indusium the pollen-cup of Goodeniaceae; tissue covering the sorus of a fern inferior of an ovary, at least partly below the level of attachment of the other floral parts. cf. superior inflexed bent sharply upwards or forwards inflorescence the group or arrangement in which flowers are borne on a plant intercalary not involving the stem apex; intercalary branches of liverworts are secondary laterals, not terminal, revealed by a tiny collar of cells where they have pushed through the cortex internode the portion of a stem between the level of insertion of two successive leaves or leaf pairs (or branches of an inflorescence) involucral see involucre involucre large bract or whorl (or several whorls) of bracts surrounding a flower or an inflorescence. adj. involucral juvenile of leaves, formed on a young plant and different in form from the adult leaves keel a ridge like the keel of a boat; in particular, a boat-shaped structure formed by fusion of the two anterior petals of a flower in Fabaceae keeled of leaves or bracts, folded and ridged along the midrib labellum a lip; in Orchidaceae, the distinctive median petal that serves as an alighting platform for pollinating insects lamina the blade of a leaf lanceolate of a leaf, about four times as long as it is broad, broadest in the lower half and tapering towards the tip leaflet one of the ultimate segments of a compound leaf lemma the lower of two bracts enclosing a grass floret; male lemma - lemma enclosing a male flower; sterile lemma - an empty lemma. cf. palea lignotuber a woody swelling below or just above the ground, containing adventitious buds from which new shoots develop if the top of the plant is cut or burnt (common in the shrubby eucalypts and in many other fire-tolerant Australian shrubs) 284 ligulate bearing a ligule; strap-shaped limb the upper free, spreading portion of a corolla or perianth that is connate at the base linear very narrow in relation to the length, and with the sides parallel lobe a usually rounded or pointed projecting part, usually one of two or more, each separated by a fissure or a sinus mallee a growth habit in which several woody stems arise separately from a lignotuber (usually applied to shrubby eucalypts); a plant having the above growth habit marginal occurring at or very close to the margin mericarp a one seeded portion of an initially syncarpous fruit which splits apart at maturity - merous used with a number prefix to denote the basic number of the 3 outer floral whorls membranous thin and translucent midrib the central, and usually the most prominent, vein of a leaf or leaf-like organ monocarpic flowering and fruiting only once during its life span monoecious having the male and female reproductive structures in separate flowers but on the same plant. cf. dioecious mucro a sharp, abrupt terminal point. adj. mucronate mucronate see mucro mucronulate with very small mucro nectary a gland that secretes nectar nerve a vein node the level (transverse plane) of a stem at which one or more leaves arise obcordate of a leaf blade, broad and notched at the tip; heart-shaped but attached at the pointed end oblanceolate similar in shape to lanceolate but attached at the narrower end oblong having the length greater than the width but no many times greater, and the sides parallel obovate similar in shape to ovate but attached at the narrower end obtuse blunt or rounded at the apex, the converging edges separated by an angle greater than 90 degrees operculum a lid or cover becoming detached at maturity by abscission; in Eucalyptus (for example), a cap covering the bud and formed by fusion or cohesion of perianth parts opposite of leaves, borne at the same level but on opposite sides of the stem; of floral parts, on the same radius. cf. alternate 285 orbicular circular or nearly so ovate shaped like a section through the long axis of an egg, and attached by the wider end ovoid 3 dimensional shape ovate in cross section palea the upper of the two bracts of a grass floret. cf. lemma panicle a compound raceme; an indeterminate inflorescence in which the flowers are borne on branches of the main axis or on further branches of these paniculate indeterminate and much branched papilla a small, elongated protuberance on the surface of an organ, usually an extension of one epidermal cell. adj. papillose papillose see papilla pappus a tuft (or ring) of hairs or scales borne above the ovary and outside the corolla in Asteraceae and possibly representing the calyx; a tuft of hairs on a fruit -partite divided, almost to the base, into segments (commonly applied to a style) patent spreading, diverging from the axis at almost right angles pedicel the stalk of a flower. adj. pedicellate pedicellate see pedicel peduncle the stalk of an inflorescence; in ferns, the stalk of a sporocarp. adj. pedunculate pedunculate see peduncle pendulous drooping, hanging downwards perennial a plant whose life span extends over more than two growing seasons perianth the calyx and corolla of a flower, especially where the two are similar pericarp wall of a fruit developed from the ovary wall persistent remaining attached, not falling off. cf. caducous petal a member of the inner whorl of non-fertile parts surrounding the fertile organs of a flower, usually soft and coloured conspicuously petiole the stalk portion of a leaf petiolate having a petiole pilose hairy, the hairs soft and clearly separated but not sparse pinnate divided into pinnae; once-compound. cf. bipinnate pinnatifid cut deeply into lobes that are spaced out along the axis (of the leaf). cf. palmatifid pinnatisect dissected down to the midrib but having the segments confluent with it 286 pistil a free carpel or a group of fused carpels plicate having a longitudinal fold or ridge; or folded back and forth longitudinally like a fan plumose like a feather; with fine hairs branching from a central axis pod a leguminous fruit pollination the transfer of pollen from the male organ, where it is formed, to the receptive region of a female organ, eg from anther to stigma posterior toward the axis, away from the subtending bract. cf. anterior procumbent trailing or spreading along the ground but not rooting at the nodes prostrate lying flat on the ground puberulous covered with minute, soft, erect hairs pubescent covered with short, soft, erect hairs pungent ending in a stiff, sharp point; having an acrid taste or smell pyrene the stone or pit of a drupe consisting of the hardened endocarp and seed raceme an indeterminate inflorescence in which a main axis produced a series of flowers on lateral stalks, the oldest at the base and the youngest at the top. adj. racemose rachis the axis of an inflorescence or a pinnate leaf; pl. rachises. Secondary rachis: the axis of a pinna in a bipinnate leaf ray of a compound umbel, one of the first (lower) series of branches of the inflorescence axis receptacle the axis of a flower (= torus); in ferns, an axis on which sporangia arise recurved curved or curled downwards or backwards reflexed bent sharply downwards or backwards reticulate forming a network retrorse directed backwards or downwards. cf. antrorse revolute rolled downwards or backwards rhizomatous see rhizome rhizome a creeping stem, usually below ground, consisting of a series of nodes and internodes with adventitious roots. adj. rhizomatous rhomboid quadrangular, with the lateral angles obtuse. adj. rhomboidal rib a distinct vein or linear marking often raised as a linear ridge rosette tuft of leaves or other organs resembling the arrangement of the petals in a rose rugose deeply wrinkled 287 saccate pouched scabrous rough to the touch scale a reduced or rudimentary leaf scape the stem-like, flowering stalk of a plant with radical leaves scarious dry and membranous Kataloq: images -> documents -> plants-animals -> threatened-species -> recovery plans -> wildlife management plans wildlife management plans -> Western australian wildlife management program no. 28 Declared Rare and Poorly Known Flora in the Moora District recovery plans -> Interim recovery plan recovery plans -> Scaly-leaved featherflower recovery plans -> Pine featherflower (verticordia staminosa subsp. Cylindracea var. Erecta) recovery plans -> Wongan featherflower wildlife management plans -> Western australian wildlife management program no. 21 Declared Rare and Poorly Known Flora in the Esperance District wildlife management plans -> Threatened flora of the wildlife management plans -> Declared rare and poorly known flora Yüklə 3,36 Mb. Dostları ilə paylaş:
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