Astragalus confertus Benth. ex Bunge

Species

Angiosperms > Fabales > Fabaceae > Astragalus

Characteristics

Plants 2-10 cm tall, acaulescent to shortly caulescent, densely caespitose; hairs appressed to subappressed, in vegeta­tive parts mostly white, 0.2-0.4 mm, sometimes mixed with black hairs. Stems mostly numerous, very short or to up to 5 cm, sparsely to loosely hairy. Leaves 1-2.5 cm; stipules 3-4 mm, free from petiole or shortly adnate, but distinctly connate before petiole, high connate behind stem, sparsely to rather densely hairy; petiole 0.5-0.8 cm, like rachis slender, loosely to rather densely covered with subappressed to ascending hairs; leaflets in 5-9 pairs, narrowly elliptic to elliptic, 1.2-3 × 0.5-1.2 mm, both surfaces loosely to rather densely covered with appressed to slightly ascending hairs 0.5-0.7 mm, apex sub­acute to obtuse. Racemes 1-7-flowered; peduncle 0.5-4 cm, loosely covered with appressed white hairs 0.2-0.3 mm, toward raceme increasingly black hairy; bracts ca. 2 mm. Calyx 4.5-5 mm, densely to rather densely covered with appressed, pre­dominantly black hairs 0.1-0.3 mm; teeth 1.5-2 mm. Petals violet; standard widely elliptic to suborbicular, 10-12 × 6.5-8 mm, apex emarginate; wings 8-10 mm; keel 9-11 mm. Leg­umes (unripe) pendulous, with a stipe ca. 3 mm, white hairy.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.02 - 0.1
Root system -
Rooting depth (meter) -
Root diameter (meter) 2.4
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) 6-11

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 confertus world distribution map, present in China, India, Mongolia, Nepal, and Pakistan

Identifiers

LSID urn:lsid:ipni.org:names:476893-1
WFO ID wfo-0000198444
COL ID HX7Q
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Astragalus confertus Tragacantha conferta