Crotalaria pygmaea Polhill

Species

Angiosperms > Fabales > Fabaceae > Crotalaria

Characteristics

Leaves mostly 3-foliolate, uppermost sometimes 1-foliolate; leaflets 7–20 × 3–6 mm, oblong-oblanceolate, appressed pilose on both surfaces; petiole (3)5–10 mm long, narrowly winged; stipules 0.
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Standard elliptic, pointed, pale yellow, tomentellous outside; wings markedly shorter than the keel; keel 10–12 mm long, angular, with a long narrow twisted beak.
Flowers (2)6–16 in sessile terminal heads, also clustered in a few axils below; bracts 2–4 mm long, linear; pedicel 3–5 mm long, without bracteoles.
Small annual 2–10 cm tall; stem erect, densely appressed or subappressed pubescent, developing numerous ascending branches from near the base.
Calyx 5 mm long, silky tomentose; upper lobes narrowly triangular, 2–3 times as long as the tube.
Pod sessile, 7–8 × 3.5–4 mm, oblong-ellipsoid, appressed pubescent, 20–24-seeded.
Mature seeds not seen.
Life form annual
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.02 - 0.1
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 pygmaea world distribution map, present in Angola and Zambia

Identifiers

LSID urn:lsid:ipni.org:names:899640-1
WFO ID wfo-0000210829
COL ID 6BJD3
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Crotalaria pygmaea