Lupinus succulentus |
Lupinus hirsutissimus |
|
---|---|---|
arroyo lupine, hollowleaf annual lupine, succulent lupine |
stinging annual lupine, stinging lupine |
|
Habit | Herbs, annual, sometimes persisting more than one season, (1–)2–10 dm, fleshy, sparsely pubescent. | Herbs, annual, 2–10 dm, with short, appressed, stiff, pustulate, stinging hairs to 3.5 mm. |
Stems | ascending or erect, branched or unbranched, usually succulent. |
ascending or erect, branched or unbranched. |
Leaves | cauline, may be crowded at base on new growth; petiole 6–15 cm; leaflets 7–9, blades 20–60 × 7–20 mm, adaxial surface glabrous. |
cauline; petiole 4–9 cm; leaflets 5–8, blades 20–50 × 10–20 mm, adaxial surface hirsute. |
Racemes | 15–25 cm; flowers whorled. |
15–40 cm; flowers spirally arranged. |
Peduncles | 5–9 cm; bracts deciduous, 3–5 mm. |
5–8 cm; bracts usually persistent, 4–5 mm. |
Pedicels | 3–7 mm. |
2–5 mm. |
Flowers | 12–18 mm; calyx 4–7 mm, lobes ± equal, abaxial lobe entire, adaxial lobe cleft; corolla usually blue-purple, rarely white, lavender, or pink, banner spot white, becoming magenta, upper wing margins ciliate near claw, lower and upper keel margins ciliate near claw. |
12–18 mm; calyx 6–10 mm, lobes ± equal, abaxial lobe entire, adaxial lobe deeply cleft; corolla deep pink to magenta, drying purplish, banner spot white becoming magenta, lower keel margins densely ciliate from middle to near claw. |
Legumes | 3.5–5 cm, coarsely pubescent to tomentose. |
2–4 cm, coarsely hairy. |
Cotyledons | deciduous, petiolate. |
deciduous, petiolate. |
Seeds | 6–9. |
3–6. |
2n | = 48. |
|
Lupinus succulentus |
Lupinus hirsutissimus |
|
Phenology | Flowering late winter–late spring (Feb–May). | Flowering spring. |
Habitat | Open or disturbed areas, roadbanks. | Dry, rocky areas, burns. |
Elevation | 0–1300 m. (0–4300 ft.) | 0–1400 m. (0–4600 ft.) |
Distribution |
AZ; CA; Mexico (Baja California, Baja California Sur)
|
CA; Mexico (Baja California)
|
Discussion | Lupinus succulentus occurs widely throughout California except in the Great Basin and desert regions and extends into northern Mexico; it is introduced in Arizona. It may occasionally persist more than one season in Californian North Coast locations. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Lupinus hirsutissimus occurs in the central and southern coast regions into the adjacent mountains and Channel Islands. Plants are often greater than one meter in height after fires. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | Fabaceae > subfam. Faboideae > Lupinus | Fabaceae > subfam. Faboideae > Lupinus |
Sibling taxa | ||
Synonyms | L. succulentus var. brandegeei, L. succulentus var. layneae | |
Name authority | Douglas ex K. Koch: Wochenschr. Vereines Beford. Gartenbaues Konigl. Preuss. Staaten 4: 277. (1861) | Bentham: Trans. Hort. Soc. London, ser. 2, 1: 411. (1835) |
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