Lupinus truncatus |
Lupinus succulentus |
|
---|---|---|
blunt-leaf lupine, collared annual lupine |
arroyo lupine, hollowleaf annual lupine, succulent lupine |
|
Habit | Herbs, annual, 2–5(–8) dm, finely pubescent, appearing glabrous. | Herbs, annual, sometimes persisting more than one season, (1–)2–10 dm, fleshy, sparsely pubescent. |
Stems | ascending or erect, branched or unbranched. |
ascending or erect, branched or unbranched, usually succulent. |
Leaves | cauline; petiole flattened and leafletlike, 3–10 cm; leaflets 5–8, blades 20–40 × 2–5 mm, apex usually truncate, adaxial surface glabrous. |
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. |
Racemes | 6–35 cm; flowers loosely spirally arranged. |
15–25 cm; flowers whorled. |
Peduncles | 3–10 cm; bracts persistent, 2–5 mm. |
5–9 cm; bracts deciduous, 3–5 mm. |
Pedicels | 2–4 mm. |
3–7 mm. |
Flowers | 8–13 mm; calyx 3–4 mm, lobes ± equal, abaxial lobe entire or shallowly cleft, 2.5–3 mm, adaxial lobe deeply cleft, 1.5–2 mm; corolla banner and wings magenta, banner spot white or yellowish, becoming dark magenta, keel stout, blunt, lower and upper margins ciliate from claw to middle. |
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. |
Legumes | ±3 cm, pubescent. |
3.5–5 cm, coarsely pubescent to tomentose. |
Cotyledons | deciduous, petiolate. |
deciduous, petiolate. |
Seeds | 6–8. |
6–9. |
2n | = 48. |
|
Lupinus truncatus |
Lupinus succulentus |
|
Phenology | Flowering spring (Mar–May). | Flowering late winter–late spring (Feb–May). |
Habitat | Openings in coastal sage scrub, chaparral, oak woodlands, burned areas. | Open or disturbed areas, roadbanks. |
Elevation | 0–1200 m. (0–3900 ft.) | 0–1300 m. (0–4300 ft.) |
Distribution |
CA; Mexico (Baja California)
|
AZ; CA; Mexico (Baja California, Baja California Sur)
|
Discussion | Lupinus truncatus is known in the flora area from San Cruz County southward in the Central and South Coast regions; the South Coast, Transverse, and Peninsular ranges; and the Channel Islands. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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.) |
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 | Nuttall ex Hooker & Arnott: Bot. Beechey Voy., 336. (1838) | Douglas ex K. Koch: Wochenschr. Vereines Beford. Gartenbaues Konigl. Preuss. Staaten 4: 277. (1861) |
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