Tephrosia kerrii J.R.Drumm. & Craib

Species

Angiosperms > Fabales > Fabaceae > Tephrosia

Characteristics

Herbs, perennial, to 3 m tall, densely yellow spreading vil­lous. Stems erect, sturdy, ridged, apically branched. Leaves 11-17-foliolate; rachis 9-15 cm, including petiole ca. 5 mm; leaflet blades oblong-lanceolate, 5-8 × 1.5-2 cm, abaxially densely silvery sericeous, adaxially olive-green and glabrous, secondary veins 20 on each side of midvein and conspicuous, base obtuse to cuneate, apex acute and cuspidate. Pseudoracemes terminal, when immature cone-shaped and covered by bracts, elongated to ca. 10 cm at anthesis. Pedicel ca. 5 mm, densely white serice­ous. Flowers ca. 2.2 cm. Calyx ca. 8 × 6 mm; teeth narrowly tri­angular, most abaxial one longest and ca. 5 mm, apex acute. Corolla red; standard obovate, yellow sericeous. Ovary serice­ous, with numerous ovules. Legume linear, 8-10 cm × 6-8 mm, straight, spreading and slightly nodding, yellow sericeous, apex with a ca. 1 cm slightly ascending beak. Seeds 10-12 per leg­ume but characters unknown. Fl. Oct, fr. Dec.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 3.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer rhizobia
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

Uses fiber
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 kerrii world distribution map, present in China and Thailand

Identifiers

LSID urn:lsid:ipni.org:names:520663-1
WFO ID wfo-0000197444
COL ID 55CWP
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Tephrosia kerrii