WorldFloraDB - Astragalus americanus

Characteristics

A herb. It grows 30-100 cm tall. The stems are thick at the base and do not have hairs. The leaves are alternate and divided into 9-17 leaflets. These are 2-5 cm long by 7-15 mm wide. The flowers are in groups of 15-40 in loose groups in the axils of leaves. The fruit is a slender pod 2-3 cm long.

Life form

perennial

Growth form

herb

Growth support

-

Foliage retention

deciduous

Sexuality

hermaphrodite

Pollination

-

Spread

-

Mature width (meter)

-

Mature height (meter)

0.3 - 0.95

Root system

-

Rooting depth (meter)

-

Root diameter (meter)

-

Flower color

Blooming months

Jan	Feb	Mar
Apr	May	Jun
Jul	Aug	Sep
Oct	Nov	Dec

Fruit color

-

Fruiting months

-

Nitrogen fixer

rhizobia

Photosynthetic pathway

c3

Environment

It is a temperate plant. It grows in moist meadows between 800-1,600 m above sea level.

Light
Soil humidity
Soil texture
Soil acidity	-
Soil nutriment	-
Hardiness (USDA)

Usage

Caution: It is poisonous so should not be eaten in large quantities.

Uses	medicinal poison
Edible	roots
Therapeutic use	Gastrointestinal Aid (root), Misc. Disease Remedy (root)
Human toxicity	-
Animal toxicity	-

Cultivation

Mode	-
Germination duration (days)	-
Germination temperacture (C°)	-
Germination luminosity	-
Germination treatment	-
Minimum temperature (C°)	-
Optimum temperature (C°)	-
Size	-
Vigor	-
Productivity	-

Distribution

Identifiers

LSID	urn:lsid:ipni.org:names:24436-2
WFO ID	wfo-0000169628
COL ID	HWB4
BDTFX ID	-
INPN ID	-
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Astragalus americanus f. pallescens Astragalus americanus Astragalus gaspensis Astragalus americanus f. glabrescens Astragalus americanus f. williamsii Astragalus frigidus var. americanus Astragalus alpinus var. americanus Astragalus frigidus var. gaspensis Phaca frigida var. americana Astragalus frigidus var. dawsonensis Astragalus americanus var. americanus Phaca americana

WorldFloraDB 2024

Astragalus americanus (Hook.) M.E.Jones

American milkvetch (en)

Species