Synonyms: Paratephrosia APNI*
Description: Herbaceous shrubs.
Leaves alternate, imparipinnate [or rarely leaflets reduced to 1]; leaflets with numerous lateral veins ± parallel to each other extending to the margins, shortly petiolulate.
Flowers paired or clustered, usually in terminal or leaf-opposed racemes; bracteoles absent. Calyx teeth ± equal. Standard nearly circular, hairy. Stamens usually diadelphous. Ovary sessile.
Pods linear, ± compressed, dehiscent; seeds usually many, reniform to globose, arillate.
Flowering: Most species flower spring to summer.
Distribution and occurrence: World: 300 spp., trop. & subtrop. regions. Aust.: c. 60 spp. (mostly endemic, 9 spp. naturalized), Qld, N.S.W., N.T., S.A., mainly trop. & arid regions.
Text by Harden
Taxa not yet included in identification key
| ||Key to the species|| |
|1||Erect plants, >50 cm high; flowers >12 mm long; pods glabrous or hairy only along sutures.||2|
|Prostrate or erect plants, <50 cm high; flowers <12 mm long; pods covered with hairs, sometimes sparsely so or ± glabrescent with age.||4|
|2||Stipules subulate to lanceolate, 4–5 mm long.||Tephrosia inandensis|
|Stipules ovate to broad-ovate, 6–10 mm long.|
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|3||Calyx rusty- to golden-hairy, teeth 2–3 mm long, subulate, apex tapering; pods pubescent along sutures.||Tephrosia grandiflora|
|Calyx silvery- to white-hairy, teeth <2 mm long, triangular, apex subacute; pods bristly along sutures.|
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|4||Flowers pink to purple or red; leaves ± concolorous, lower surface hairy but not silky.||5|
|Flowers orange, yellow to greenish; leaves discolorous, lower surface silky.|
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|5||Leaflets linear to oblanceolate, <15 mm long, apex acute and often recurved.||Tephrosia filipes|
|Leaflets narrow-elliptic or narrow-lanceolate to oblong or cuneate, >15 mm long, apex acute, obtuse or mucronate.|
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|6||Calyx >3.5 mm long; apex of leaflets acute.||Tephrosia bidwillii|
|Calyx <3.5 mm long: apex of leaflets obtuse to mucronate.|
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|7||Leaflets linear to lanceolate 20–70 mm long.||Tephrosia sphaerospora|
|Leaflets oblanceolate to obovate 8–20 mm long.|
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