Crotalaria steudneri Schweinf.

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Photo: Bart Wursten
Bridge crossing along road from Zvishavane to Mbalabala.

Photo: Bart Wursten
Zambezi National Park.

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Synonyms:	Crotalaria hispida Schinz
Common names:
Frequency:
Status:	Native
Description:	Much branched, ascending and spreading annual, lower branches mostly long and decumbent, sometimes to 65 cm tall, usually much smaller; branches hispid, with rather long spreading hairs. Leaves 3-foliolate with leaflets linear-lanceolate to lanceolate or oblanceolate, mostly 1.5–7 cm long, lower ones sometimes elliptic or obovate, thinly appressed hairy beneath; petiole shorter than the leaflets; stipules 3–9 mm long, linear-lanceolate, caudate. Racemes up to 8–20 cm long, laxly few–many-flowered. Calyx 3–4.5 mm long; lobes acuminately triangular, longer than the tube. Standard subcircular, yellow, reddish-brown veined outside; wings shorter than the keel or more or less as long; keel 5–9 mm long, rounded below the middle, with a short straight or less commonly incurved beak. Pod sessile, subglobose-ellipsoid to broadly ellipsoid, 10–13 mm long, often mottled brown, pubescent.
Notes:
Derivation of specific name:	steudneri: after Dr. Hermann Steudner (1832-1863), German physician, botanist, explorer, and plant collector who worked in Ethiopia and Eritrea.
Habitat:	Mopane and dry deciduous woodland, rarely in miombo or disturbed places, often on seasonally damp sandy ground near streams, roads and dambos.
Flowering time:
Worldwide distribution:	From Sudan and northern Ethiopia south to Namibia, Botswana and northern South Africa.
Botswana distribution:	N
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Content last updated:	Tuesday 10 July 2018
Literature:	Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 11. Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 67. Drummond, R.B. (1972). A list of Rhodesian Legumes. Kirkia 8(2) Page 219. Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 265. (Includes a picture). Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 47. Martins, E.S. et al. (2003). Papilionoideae Flora Zambesiaca 3(7) Page 150. Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 59. Polhill, R.M. (1982). Crotalaria in Africa and Madagascar. A.A. Balkema, Rotterdam. Page 218. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 64.

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Flora of Caprivi: Crotalaria steudneri
Flora of Malawi: Crotalaria steudneri
Flora of Mozambique: Crotalaria steudneri
Flora of Zambia: Crotalaria steudneri
Flora of Zimbabwe: Crotalaria steudneri

External websites:

African Plants: A Photo Guide (Senckenberg): Crotalaria steudneri
African Plant Database: Crotalaria steudneri
BHL (Biodiversity Heritage Library): Crotalaria steudneri
EOL (Encyclopedia of Life): Crotalaria steudneri
GBIF (Global Biodiversity Information Facility): Crotalaria steudneri
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iNaturalist: Crotalaria steudneri
IPNI (International Plant Names Index): Crotalaria steudneri
JSTOR Plant Science: Crotalaria steudneri
Mansfeld World Database of Agricultural and Horticultural Crops: Crotalaria steudneri
Plants of the World Online: Crotalaria steudneri
Tropicos: Crotalaria steudneri
Wikipedia: Crotalaria steudneri