Rare Plant Fact Sheet
Louisiana Department of Wildlife and Fisheries
Natural Heritage Program
Agrimonia incisa Torr. & Gray
Identification: Perennial herb with short, knotty rootstocks, roots black and tuberous. Stems thick, 7-
10 dm tall, with long and short hairs intermixed. Leaves 12-18 per stem, pinnately compound,
principal leaflets 7-9 in number (much reduced leaflets also present), pubescent on both surfaces,
(elliptic to oblanceolate), 1-3 cm long, 0.7- 1.2 cm wide, and the margins coarsely serrate. Rachis with
short, grayish hairs. Hypanthium hemispheric, 1.5-2 mm long, and with several rows of hooked
bristles. Petals yellow, 1.5-2 mm long. Stamens 5-7. Pistils 2. Fruit a nutlet.
Key ID characters:
· Stems thick and 7-10 dm tall.
· Principal leaflets are 7-9 in number.
· Leaf margins coarsely serrate.
· Stem upon which flowers are borne gray or whitish in appearance.
· Floral cup hemispheric and with several rows of hooked bristles.
Habitat: Dry pine woods.
Taxonomic Comments: This species is a member
of the family Rosaceae. There are 6 species of the
genus Agrimonia known to occur in LA.
G3 - Vulnerable
S1 - Critically Imperiled
Range: Texas, Louisiana, Mississippi, Alabama,
Soils: sandy loams.
Upland Longleaf Pine Savannah
However, Agrimonia incisa differs in that the terminal leaflet is less than 2.5 cm in length.
Reason for Rarity: Habitat loss.
Known Distribution in Louisiana:
Dates of Natural Heritage Program
No records in database.
Best Time for Viewing this Species:
Distribution in Louisiana
USDA, NRCS. 2002. The PLANTS Database, Version 3.5 (http://plants.usda.gov). National Plant Data Center, Baton Rouge, LA
NatureServe Explorer: An online encyclopedia of life [web application]. 2001. Version 1.6. Arlington, VA, USA: NatureServe. Available:
Thomas, R. Dale, and Charles M. Allen. Atlas of the Vascular Flora of Louisiana, Vol. III: Dicotyledons, Fabaceae-Zygophyllaceae.
Godfrey, Robert K., and Jean W. Wooten. Aquatic and Wetland Plants of Southeastern United States: Dicotyledons. Athens: University
Radford, Albert E., Harry E. Ahles, and C. Ritchie Bell. Manual of the Vascular Flora of the Carolinas. Chapel Hill: The University of
Correll, Donovan Stewart, and Marshall Conring Johnston. Manual of the Vascular Plants of Texas. Renner: Texas Research