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beak agrimony, woodland agrimony, woodland groovebur

Habit Herbs, 4–10 dm.
Roots

tubers fusiform.

Stems

with glistening stipitate-glandular hairs and hirsute (hairs stiff, sparse to scattered, erect, 1–2 mm).

Leaves

mid cauline stipules ± falcate to ± 1/2-ovate, margins often deeply incised;

major leaflets 3–11 (mid cauline 5–7), minor 0–1(–2) pairs;

major leaflet blades obovate to broadly elliptic to elliptic, terminal largest, largest of these 3.4–10.5 × 1.7–5.6 cm, margins serrate, apex acute to obtuse, abaxial surface glistening with sessile-glandular hairs (often shining) and hirsute (hairs sparse to scattered, 1 mm).

Inflorescences

axes glistening with sessile-glandular hairs and ± ascending-hirsute (hairs stiff, sparse to scattered, 0.5–1 mm).

Flowers

± alternate.

Fruiting

hypanthia hemispheric, 1–3.1 × 1.8–3.9 mm, obscurely sulcate, hooked bristles in 2–3 circumferential rows, proximal row spreading to ± 90°, usually glistening with sessile-glandular hairs.

Agrimonia rostellata

Phenology Flowering Jul–mid Sep.
Habitat Edges, open spaces, and thickets, deciduous or mixed deciduous woods
Elevation 0–1100 m (0–3600 ft)
Distribution
from FNA
AL; AR; CT; DC; DE; FL; GA; IL; IN; KS; KY; LA; MD; MI; MO; MS; NC; NJ; NY; OH; OK; PA; SC; TN; TX; VA; WI; WV
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 9, p. 316.
Parent taxa Rosaceae > subfam. Rosoideae > tribe Agrimonieae > Agrimonia
Sibling taxa
A. gryposepala, A. incisa, A. microcarpa, A. parviflora, A. pubescens, A. striata
Synonyms Eupatorium rostellatum
Name authority Wallroth: Beitr. Bot. 1: 42. (1842)
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