Description: More or less glabrous annuals or short-lived perennials.
Leaves alternate, semiterete, succulent.
Flowers solitary, axillary, bisexual. Stamens 5. Styles 2.
Fruiting perianth thickened, with a hollow base; wings usually 2–5, rarely 1, usually vertical. Seed horizontal, embryo annular.
Distribution and occurrence: World: 5 species, endemic Australia. Australia: all mainland States. [Babbagia]
Text by S. W. L. Jacobs
Taxa not yet included in identification key
Osteocarpum x scleropterum
| ||Key to the species|| |
|1||Vertical wings on perianth 1, 2 or 3||2|
|Vertical wings on perianth 5||3|
|2||Vertical wings on perianth unequal, 1 or more often 2||Osteocarpum acropterum|
|Vertical wings on perianth equal, 2 or rarely 3|
Back to 1
|3||Wings membranous, more or less equal, arising from the side of the perianth, margins sinuate||Osteocarpum pentapterum|
|Wings hardened, one much larger than the other 4, erect, arising from towards the top of the perianth|
Back to 1