hollowleaf annual lupine, more...
[Lupinus succulentus var. layneae C.P. Sm.]
Plant: Annual (often appearing perennial herb), 2-10 dm, fleshy, sparsely hairy Leaves: palmately compound, generally cauline; petiole 6-15 cm; leaflets 7-9, 20-60 mm, 7-20 mm wide, upper surface glabrous INFLORESCENCE: raceme, 9-15 cm; whorls distinct; peduncle 5-9 cm; bracts 3-5 mm, deciduous; pedicels 3-7 mm Flowers: 12-18 mm; calyx 4-7 mm, lips ± equal, upper lip lobed; petals generally blue-purple (white, pink, or lavender), banner spot white, becoming magenta, banner centrally grooved, sides reflexed, wing tips slightly fused, wings sparsely ciliate on upper margins near claw, upper and lower keel margins ciliate near claw; stamens 10, filaments fused, 5 long with short anthers, 5 short with long anthers; style brushy Fruit: legume, dehiscent, 3.5-5 cm, 8-10 mm wide, coarsely hairy to tomentose; Seeds 6-9, often ± reniform, generally hard, smooth Misc: Open or disturbed areas, often seeded on roadbanks; < 800 m.