Crotalaria vanmeelii R.Wilczek

Species

Angiosperms > Fabales > Fabaceae > Crotalaria

Characteristics

Erect laxly branched graceful annual, 3–8 dm. tall.. Stem slender, thinly appressed or rather spreading pubescent.. Leaves subsessile, simple; blade linear to lanceolate-oblong, up to 30–60 mm. long, 2–6 mm. wide, glabrous above, thinly appressed pubescent beneath; petiole ± 1–1·5 mm. long.. Stipules filiform, up to 1–5 mm. long.. Racemes lax, up to 16 cm. long, ± 3–13-flowered; bracts filiform, 1–3 mm. long; bracteoles inserted at the top of the pedicel, similar to the bract.. Calyx 4–7 mm. long, conspicuously appressed or rather spreading pubescent; lobes subulate, 2–3 times as long as the tube.. Standard elliptic, yellow, veined brown and pubescent outside; wings much shorter than the keel; keel bent at right-angles in the lower third, with a long straight untwisted beak, 8·5–12 mm. long.. Pod sessile, cylindrical, 10–15 mm. long, thinly pubescent, up to 22-seeded.. Seeds cordiform, 1·5–2 mm. long, rugulose, light brown.
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Standard elliptic, yellow, veined brown, turning purplish overall, pubescent outside; wings much shorter than the keel; keel 8.5–12 mm long, bent at right angles in the lower third, with a long straight narrow beak.
Leaves subsessile, simple; blade up to 3–6 × 0.2–0.6 cm, linear to lanceolate-oblong, thinly appressed pubescent beneath; stipules up to 1.5 mm long, setaceous.
Erect laxly branched graceful annual, 30–80 cm tall; stem slender, thinly pubescent with short appressed or rather spreading hairs.
Racemes laxly 3–12-flowered; bracts 1–3 mm long, setaceous; bracteoles at the top of the pedicel, similar.
Calyx 4–7 mm long, appressed or rather spreading pubescent; lobes subulate, 2–3 times as long as the tube.
Pod sessile, 10–15 × 3–3.5 mm, narrowly cylindrical, thinly pubescent, up to 22-seeded.
Seeds 1.5–2 mm long, cordiform, rugulose, light brown.
Life form annual
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 0.8
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 vanmeelii world distribution map, present in Tanzania, United Republic of and Zambia

Identifiers

LSID urn:lsid:ipni.org:names:489031-1
WFO ID wfo-0000210567
COL ID ZP8W
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Crotalaria vanmeelii