Crotalaria miranda Milne-redh.

Species

Angiosperms > Fabales > Fabaceae > Crotalaria

Characteristics

Erect annual, up to 7 dm. tall, with laxly inserted ascending branches.. Stem obscurely ribbed, appressed puberulous with colourless hairs having a brown point of attachment a little above the base.. Leaves simple; blade linear-lanceolate to oblong-elliptic, up to 45–90 mm. long, 3–11 mm. wide, subacute to rounded at the apex, glabrous or more generally appressed puberulous above, thinly appressed puberulous with submedifixed hairs beneath; petiole 1–3 mm. long.. Stipules linear-subulate, 1–2 mm. long.. Racemes lax, up to 7–20 cm. long, ± (4–)8–20(–26)-flowered; bracts linear, 1–4 mm. long; bracteoles adnate to the calyx, linear, 1–2·5 mm. long.. Calyx 5–7 mm. long, protracted on the lower side, rather closely appressed puberulous with hairs like those of the stem; upper lobes narrowly attenuate triangular, considerably longer than the tube.. Standard obovate, yellow, veined red or orange, puberulous apically outside; wings shorter than the keel; keel bent at right-angles in the lower third, with a long straight twisted beak, 11–13 mm. long.. Pod oblong-clavate, narrowed basally into 2–4 mm. long stipe, ± 22–28 mm. long, 6 mm. across, appressed puberulous, ± 22–26-seeded.. Seeds oblique-cordiform, up to 2·5 mm. long, smooth, greyish or brownish-green.
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Leaves simple; blade 4–9 × 0.3–1 cm, linear-lanceolate to oblong-elliptic, thinly strigulose with submedifixed hairs beneath and usually also above; petiole 1–3 mm long; stipules 1–2 mm long, linear-subulate.
Standard obovate, yellow, lined reddish, puberulous apically outside; wings shorter than the keel; keel 1.1–1.3 cm long, angular with a long straight twisted beak.
Racemes laxly (4)8–20(26)-flowered; bracts 1–4 mm long, linear to linear-lanceolate, bracteoles usually adnate to the calyx, 1–2.5 mm long, linear.
Annual, erect to 70 cm, laxly branched; branches strigulose with colourless hairs having a brown point of attachment a little above the base.
Pod 2.2–2.8 × 0.5–0.6 cm, oblong-clavate, narrowed to the 2–4 mm long stipe, strigulose, c. 20–26-seeded.
Calyx 5–7 mm long, strigulose; upper lobes narrowly attenuate-triangular, ± twice as long as the tube.
Seeds 2–2.5 mm long, oblique-cordiform, smooth, greyish or brownish-green.
Life form annual
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.7
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) 21 - 30
Germination temperacture (C°) 18 - 23
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Crotalaria miranda world distribution map, present in Tanzania, United Republic of and Zambia

Identifiers

LSID urn:lsid:ipni.org:names:488510-1
WFO ID wfo-0000210639
COL ID 6BJB3
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Crotalaria miranda