Astragalus flexus Fisch.

Species

Angiosperms > Fabales > Fabaceae > Astragalus

Characteristics

Plants 18-30 cm tall, acaulescent, sparsely covered with white hairs 0.5-1.5 mm, at rachis up to 2 mm. Leaves 12-30 cm; stipules 8-17(-20) mm, adnate to petiole for 2-4 mm, gla­brous or hairy at margin and apex; petiole 4-7 cm, like rachis glabrous or sparsely spreading hairy; leaflets in 7-13 pairs, re­mote, widely obovate to suborbicular, 8-18 × 7-17 mm, abaxi­ally sparsely to densely appressed hairy or subglabrous, adaxi­ally glabrous, apex rounded to slightly retuse. Racemes loosely (10-)15-25-flowered; peduncle 5-12 cm, glabrous or sparsely spreading hairy; bracts 5-9 mm, sparsely ciliate. Calyx curved, 13-17(-20) mm, glabrous or in upper part and at teeth sparsely and shortly hairy; teeth 1.5-3 mm. Petals yellow; standard ellip­tic to obovate, (25-)30-35 × 9-11 mm, apex emarginate; wings 20-26 mm; keel longer than wings, (21-)24-29 mm, limbs ± straight or slightly curved. Legumes with a stipe 6-8 mm, ovoid, 16-25 mm, 8-9 mm high and 10-12 mm wide, widely rounded ventrally and dorsally, with a straight beak 2-3 mm, incompletely 2-locular; valves glabrous or sparsely hairy.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.18 - 0.34
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer rhizobia
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture 5-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-10

Usage

Uses forage medicinal
Edible -
Therapeutic use -
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

Astragalus flexus world distribution map, present in China, Iran (Islamic Republic of), Kazakhstan, Pakistan, Russian Federation, Tajikistan, Turkmenistan, and Uzbekistan

Identifiers

LSID urn:lsid:ipni.org:names:477471-1
WFO ID wfo-0000185136
COL ID HXSY
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Astragalus aquaerubrae Astragalus pentapetaloides Astragalus stenanthus Tragacantha flexa Astragalus flexus Astragalus pentapetaloides var. blepharophyllus Astragalus remotijugus var. pumilus