Flowers in a raceme, usually branched. Sepals saccate, dimorphic. Petals clawed, drawn out into long narrow apex.
Silicula dehiscent, not beaked, circular in cross section or flattened parallel with septum; seeds 4–20 per loculus, in 2 rows.
| ||Key to the species|| |
|1||Silicula more or less globose to obovoid||2|
|Silicula linear to terete||Stenopetalum lineare|
|2||Pedicel horizontal to recurved||3|
|Pedicels erect to spreading|
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|3||Silicula more or less globose, 3–5 mm long, slightly emarginate; pedicel generally horizontal, usually 3–8 mm long||Stenopetalum sphaerocarpum|
|Silicula obovoid, generally 8–10 mm long, slightly compressed; pedicel mostly recurved, 8–15 mm long|
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