Description: Prostrate or climbing herbs.
Leaves alternate, pinnately 3-foliolate; lower surface of leaflets gland-dotted, lateral leaflets asymmetric; terminal petiolules more than 4 times longer than lateral petiolules; stipules linear-lanceolate; stipels minute or absent.
Inflorescences axillary racemes, rarely solitary; bracts caducous; bracteoles absent. Calyx with upper 2 teeth united. Standard auriculate; keel incurved. Stamens diadelphous; anthers uniform. Ovary usually 2-ovuled; style incurved; stigma terminal.
Pod compressed, frequently glandular, 2-seeded.
Distribution and occurrence: World: c. 300 species, tropical & subtropical regions. Australia: 7 species (native), all mainland States except Vic.
Text by C. Gardner & T. A. James
| ||Key to the species|| |
|1||Leaflets more than 5 cm long, apex acuminate; racemes shorter than leaves||Rhynchosia acuminatissima|
|Leaflets less than 5 cm long, apex obtuse to sub-acute; racemes longer than leaves||2|
|2||Pods with short, fine hairs only||Rhynchosia minima|
|Pods with both short, fine hairs and long, tuberculate hairs|
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