L., Sp. Pl. 721 (1753).
Derivation: Latin name of a plant of this genus.
Synonymy: Not Applicable
Common name: Lupins.
Perennial herbs, rarely shrubs or annual (rarely biennial in Australia) herbs; leaves usually palmate, petiolate; stipules adnate to the base of the petiole, setaceous.
Inflorescence proliferous, at first terminal, later axillary, a many-flowered raceme, flowers alternate or verticillate; calyx 2-lipped, divided almost to the base, the upper lip 2-toothed, lower lip 3-toothed; petals variously coloured; standard orbicular, with reflexed sides; wings united at the summit; keel beaked; stamens monadelphous, the anthers alternately long and basifixed and short and dorsifixed; ovary sessile, with 2 or more ovules.
Pod dehiscent, compressed, usually constricted between the seeds, usually villous, valves coriaceous; seeds with a sunken hilum, exarillate.
About 200 species from the Mediterranean and America. (J. S. Gladstones (1974) Dept Agric., W. Aust. Tech. Bull. 26.)
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