Description: Woody shrubs; stems terete.
Leaves opposite, alternate or in whorls of 3 or more, simple, margins recurved or revolute; stipules absent.
Flowers axillary, solitary or in clusters or rarely in short, terminal racemes; pedicels short; bracts small, ovate, caducous; bracteoles absent. Calyx 5-toothed, the upper 2 broader and ± united into an upper lip. Petals long-clawed; standard ± circular, apex slightly emarginate, longer than the other petals; wings narrow-oblong; keel incurved. Stamens free; anthers dorsifixed. Ovary villous, shortly stipitate; ovules 2, on short, straight funicles; style filiform with a small simple terminal stigma.
Pod ovate or obovate, flat or turgid, usually hairy, 2-valved; seeds 2, reniform, without an aril.
Distribution and occurrence: World: c. 15 species, endemic Australia. Australia: all States except N.T.
Text by B. Wiecek
| ||Key to the species|| |
|1||Branches often spinescent; pedicels with more or less sparse, short, curved hairs, not obscuring the surface||Aotus subspinescens|
|Branches not spinescent; pedicels with dense, often long, spreading to appressed hairs, obscuring the surface||2|
|2||Stems with long, soft, spreading hairs and densely tomentose; flowers yellow, 8–15 mm long; apex of leaves acute||Aotus lanigera|
|Stems without long, soft, spreading hairs; flowers yellow with red or purple markings, 5–10 mm long; apex of leaves obtuse to occasionally acute|
Back to 1
|3||Stems densely velvety-tomentose; upper surface of at least young leaves, pubescent||Aotus mollis|
|Stems not velvety-tomentose; upper surface of leaves mostly glabrous or with scattered, long hairs|
Back to 2
|4||Stems with white, appressed, silky hairs; flowers with standard yellow with a large purple blotch and keel red-purple; leaves narrow-linear to lanceolate, 1–3 mm wide||Aotus subglauca|
|Stems with a variable but close, often rusty pubescence; flowers with standard yellow with a reddish or orange blotch and keel yellow; leaves variable, 1–5 mm wide|
Back to 3