Astragalus nematodioides H.Ohba, S.Akiyama & S.K.Wu

Species

Angiosperms > Fabales > Fabaceae > Astragalus

Characteristics

Plants 3-12 cm tall, acaulescent or nearly so, caespitose. Stems, if present, up to 2(-4) cm, prostrate to ascending, branched, with numerous, short, non-flowering off-shoots and few-flowering stems, densely covered with symmetrically or asymmetrically bifurcate, subappressed, white hairs 0.7-1 mm. Leaves 1-4 cm; stipules 1.5-3 mm, adnate to petiole for 0.5-1 mm, vaginate-connate behind stem to middle or higher up, rather densely hairy; petiole 0.5-2 cm, with very slender rachis hairy like stem; leaflets in 2-6 pairs, 3-10 × 0.5-1.5 mm, both surfaces densely hairy, with incurved margins or partly folded. Racemes 2-4 cm, loosely 4-12-flowered; peduncle 2.5-13 cm, slender, densely to rather densely white hairy like stem; bracts 1-1.5 mm, white and black hairy. Calyx campanulate, 4-6 mm, rather densely covered with symmetrically or asymmetrically bifurcate, appressed, white and black hairs 0.5-0.9 mm; teeth 2-3 mm. Petals purple; standard orbicular, 7-10 × 5-8 mm, apex emarginate; wings 6-8 mm; keel 6-7.5 mm. Legumes curved, 10-15 mm; valves densely covered with subappressed to ascending, strongly asymmetrically bifurcate to subbasifixed, white hairs ca. 1 mm.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.03 - 0.12
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 -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses -
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 nematodioides world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:982296-1
WFO ID wfo-0001242641
COL ID HZBW
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Astragalus nematodioides