Astragalus mekongensis Podlech

Species

Angiosperms > Fabales > Fabaceae > Astragalus

Characteristics

Plants ca. 20 cm tall. Stems 12-16 cm, densely covered with appressed to ascending or even spreading white hairs 0.2-0.3 mm. Leaves 5-10 cm; stipules 6-10 mm, all distinctly con­nate behind stem, densely hairy; petiole up to 2 cm, hairy like stem; leaflets of main stem leaves in 10-13 pairs, 8-15 × 2.5-6 mm, abaxially rather densely hairy, adaxially glabrous or sparsely hairy. Racemes rather densely 10-20-flowered; pedun­cle 5-7 cm, covered with ascending to spreading white hairs, below raceme also with black hairs; bracts ca. 4 mm, black hairy. Calyx 4.5-5 mm, rather densely covered with subap­pressed black hairs 0.3-0.8 mm; teeth subulate, longer ones 2.5-3 mm. Petals white, tip of keel sometimes purple; standard 9-10 × 4.5-5 mm, without distinct claw, apex emarginate; wings ca. 8 mm; keel 6-6.5 mm. Legumes (unripe) sessile, slightly curved, 5-7 mm, ca. 2 mm high, densely white and black hairy.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2
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 mekongensis world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:77099175-1
WFO ID wfo-0000743365
COL ID HZ3R
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Astragalus mekongensis