Tephrosia micrantha J.B.Gillett

Species

Angiosperms > Fabales > Fabaceae > Tephrosia

Characteristics

Leaves pinnate with (2)3–6(9) pairs of leaflets; petiole 0.1–1.8(3) cm long, varying from much shorter to much longer than the lower pair of leaflets, petiole and rachis together (1)2–6(8) cm long, pubescent like the stem; leaflets (5)8–20(25) × (1)2–5(6) mm, oblanceolate or narrowly elliptic to linear-elliptic, subcuneate at the base, subacute to rounded at the apex; upper surface glabrous or appressed-pubescent; lower surface appressed-pubescent, sometimes densely so and conspicuously greyish, rarely ± silky; stipules 3–7(8) × 0.1–0.5 mm, subulate, usually persistent and often conspicuous near the base of the stems above the hypocotyl.
More
Annual or short-lived perennial with a well-developed taproot.. Branches more or less prostrate and silvery.. Stipules, at any rate those near the base of the plant, very slender, subulate, slightly curved, up to 7 or 8 mm. long; leaflets 4–6(rarely –9)-jugate, at least 4 times as long as wide, silvery beneath.. Pedicels ± 3 mm. long, not longer than the longest of the bracts.. Standard white pubescent outside, broadly ovate, ± 5 mm. long, including the claw.. Filament-sheath 3–4 mm. long.. Pod rarely over 3 cm. long, with short stiff usually spreading hairs, 4–7-seeded.. Seeds longitudinal, mottled, with a minute aril.
Annual to biennial with a fairly stout taproot and usually tufted habit with several ascending, much branched stems arising from the base and 10–25 cm high, or sometimes mat-forming with more elongate ± procumbent branches up to 30 cm long.
Calyx (1.5)2–3 mm long, shortly appressed-pubescent; teeth about equalling the tube, the two upper ones joined for up to half their length.
Flowers in terminal and leaf-opposed or axillary racemes 1–6(11) cm long; bracts 2–5 × 0.2–0.5 mm, ± subulate; pedicels 2–3(4) mm long.
Pods 20–37 × 3.5–4.5 mm, brown to straw-coloured, very shortly pubescent with often geniculate hairs.
Stems pubescent with appressed to ascending or occasionally spreading hairs.
Seeds (4)5–6(7), c.3 × 2 × 1.5 mm, subreniform-oblong.
Petals 4–5(6) mm long, pink to purplish.
Ovary pubescent; style glabrous.
Staminal tube connate above.
Life form
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.25
Root system tap-root
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) 9-12

Usage

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

Cultivation

Mode -
Germination duration (days) 21 - 42
Germination temperacture (C°) 18 - 21
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Tephrosia micrantha world distribution map, present in Burundi, Mozambique, Malawi, Tanzania, United Republic of, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:520736-1
WFO ID wfo-0000203262
COL ID 55CYH
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Tephrosia micrantha