Astragalus rhizanthus Benth.

Species

Angiosperms > Fabales > Fabaceae > Astragalus

Characteristics

Plants herbaceous or subshrubby, acaulescent to distinctly caulescent, white hairy, inflorescence sometimes also with black hairs. Stems, if present, up to 25 cm, spreading hairy. Leaves 5-12(-17) cm; stipules distinctly longitudinally nerved, adnate to petiole for 3-5 mm, lower ones 5-7 mm, glabrous or ciliate, upper ones 10-15 mm, mostly densely long hairy; petiole 1-3 cm, like rachis loosely to rather densely covered with ascending hairs 1-2(-2.5) mm, sometimes toward end of vegetation period hardening and persistent to next year; leaflets in 6-20(-28) pairs, elliptic to widely elliptic, 4-8(-14) × 2-5(-6) mm, mostly on both surfaces densely subappressed hairy, more rarely adaxially sparsely hairy to glabrous, very rarely hairy only at midvein abaxially, apex subacute to slightly re­tuse. Racemes subsessile (mostly in acaulescent plants) or with a hairy to subglabrous peduncle 0.5-5 cm, loosely 3-5-flow­ered; bracts 8-10 mm, hairy. Calyx 12-14(-16) mm, loosely to densely spreading white or white and black hairy; teeth 5-8 mm. Petals yellow; standard obovate, 18-23 × 8-12 mm, apex emarginate; wings 17-21 mm; keel 14-15 mm. Legumes subsessile, oblong, 10-17(-20) mm, 4-7 mm high and wide, with a straight or curved beak 3-10 mm, 2-locular; valves leathery, loosely to densely covered with spreading hairs.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 0.01 - 0.01
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer rhizobia
Photosynthetic pathway -

Environment

Subalpine to alpine meadows and stony slopes; at elevations from 1,800-5,000 metres.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-11

Usage

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

Cultivation

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

Distribution

Astragalus rhizanthus world distribution map, present in Afghanistan, China, India, and Pakistan

Identifiers

LSID urn:lsid:ipni.org:names:479548-1
WFO ID wfo-0000189660
COL ID J26V
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Astragalus rhizanthus Astragalus malacophyllus Astragalus anomalus Astragalus badrinathensis Astragalus nuristanicus Tragacantha rhizantha Tragacantha malacophylla Tragacantha anomala Astragalus rhizanthus subsp. rhizanthus Astragalus nuristanicus var. elasoonensis Astragalus dscheratuensis var. viridis Astragalus candolleanus var. pindreensis Astragalus candolleanus var. pindreensis

Lower taxons

Astragalus rhizanthus subsp. candolleanus