Crotalaria onusta Polhill

Species

Angiosperms > Fabales > Fabaceae > Crotalaria

Characteristics

Racemes 4–11 cm long, dense, c. 20–40-flowered, with the peduncle usually longer than the rhachis and often becoming bent over with age; bracts 4–6 mm long, attenuately linear-lanceolate, caducous; bracteoles on the upper part of the pedicel, 2 mm long, setaceous.
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Standard elliptic, yellow, lined and later flushed reddish-brown, pubescent near the apex outside; wings a little shorter than the keel; keel 1.1–1.3 cm long, angular, with a narrow twisted beak.
Leaves 3-foliolate; leaflets 2–5 × 0.7–2 cm, elliptic to elliptic-oblong, appressed pubescent beneath; petiole 1.5–3.5 cm long; stipules 2–3 mm long, linear-subulate.
Calyx 6–7 mm long, appressed pubescent; upper lobes narrowly attenuate-triangular, 2–2.5 times as long as the tube.
Pod subsessile, 13–15 × 7–8 mm, oblong-ellipsoid to oblong-obovoid, pubescent, c. 12–16-seeded.
Erect annual, 30–40 cm tall, with densely subappressed pubescent branches.
Mature seeds not seen.
Life form annual
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 0.4
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer rhizobia
Photosynthetic pathway c3

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) 21 - 30
Germination temperacture (C°) 18 - 23
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Crotalaria onusta world distribution map, present in Zambia

Identifiers

LSID urn:lsid:ipni.org:names:899629-1
WFO ID wfo-0000210641
COL ID 6BJD7
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Crotalaria onusta