Agrimonia striata Michx.

Roadside agrimony (en)

Species

Angiosperms > Rosales > Rosaceae > Agrimonia

Characteristics

Herbs, 4–13 dm. Roots: tubers absent. Stems with ± glistening stipitate-glandular hairs and pubescent to pilose (at least distally) and hirsute (hairs scattered, erect, 2 mm, stiff). Leaves: mid cauline stipules ± falcate, margins proximally dentate or entire; major leaflets 3–11 (mid cauline 5–7), minor 1–4 pairs; major leaflet blades elliptic to rhombic, terminal largest, largest of these 4.3–10.7 × 1.9–4.2 cm, margins serrate, apex acute to acuminate or long-acuminate, abaxial surface with glistening glandular hairs (stipitate and sessile) and pubescent to pilose and hirsute (hairs stiff, scattered, 1–2 mm, densest along major veins). Inflorescences: axes with stipitate-glandular hairs and pubescent to pilose and hirsute (hairs stiff, scattered, proximally ± erect and 1–2 mm to distally ± ascending and 1 mm). Flowers usually ± subopposite. Fruiting hypanthia obconic to ± campanulate, rarely turbinate, 2.1–6.6 × 2.4–5.2 mm, deeply sulcate, hooked bristles in 3–4 circumferential rows, proximal row spreading ± 90º (pressed upward on dried specimens), stipitate-glandular hairs, ± glistening, ?grooves strigose, ridges usually sparingly hirsute (sepal bases usually pubescent along rim)?. 2n = 56.
More
Roots fibrous; stems stout, to 1 m or more, hirsute below, pubescent and glandular above; stipules lanceolate to semi-ovate, 1–2 cm; principal lfls of the larger lvs 7–11, the upper 5 commonly directed forwards, lance-ovate, coarsely serrate, glabrous or nearly so above, gland-dotted beneath and sparsely hairy, especially on the veins; axis of the infl densely pubescent with ascending hairs, commonly also with some long flexuous hairs; fls densely crowded; pedicels short, the 3-cleft bractlet commonly surpassing the hypanthium; mature hypanthium reflexed, turbinate, 4–5 mm, minutely strigose in the deep furrows; 2n=56. Dry or moist woods; Que. and N.S. to e. B.C., s. to R.I., N.Y., Mich., Io., and S.D., and in the mts. to W.Va. and Ariz.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 1.5 - 1.8
Root system fibrous-root
Rooting depth (meter) 0.3
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Thickets and roadsides.
Light 3-5
Soil humidity 5-6
Soil texture 1-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 4-7

Usage

Uses medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by divisions or seedlings.
Mode divisions seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -35
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Flower

Agrimonia striata flower picture by Pierre Bédard (cc-by-sa)

Distribution

Agrimonia striata world distribution map, present in Canada, France, Mexico, Saint Pierre and Miquelon, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:316552-2
WFO ID wfo-0001009110
COL ID B7HW
BDTFX ID -
INPN ID 761961
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Agrimonia brittoniana Agrimonia striata