Lupinus truncatus |
Lupinus elmeri |
|
---|---|---|
blunt-leaf lupine, collared annual lupine |
Elmer's lupine, south fork mountain lupine |
|
Habit | Herbs, annual, 2–5(–8) dm, finely pubescent, appearing glabrous. | Herbs, perennial, 6–9 dm, green, hairy. |
Stems | ascending or erect, branched or unbranched. |
erect, branched distally, emerging from ground stout, red. |
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; stipules 6–20 mm; petiole 1–7 cm; leaflets 6–8(–10), blades (15–)38–61 × 8–13 mm, adaxial surface green, ± puberulent to short-villous. |
Racemes | 6–35 cm; flowers loosely spirally arranged. |
15–20 cm; flowers not whorled. |
Peduncles | 3–10 cm; bracts persistent, 2–5 mm. |
3–9 cm; bracts ± persistent, 7–14 mm (conspicuously longer than buds). |
Pedicels | 2–4 mm. |
2–6 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. |
8–14 mm; calyx bulge or spur 0–1 mm, abaxial lobe 3-toothed, 6–10 mm, adaxial lobe notched, 7–9 mm; corolla pale yellow, banner glabrous abaxially, keel upcurved, glabrous. |
Legumes | ±3 cm, pubescent. |
2.5–5 cm, hairy. |
Cotyledons | deciduous, petiolate. |
deciduous, petiolate. |
Seeds | 6–8. |
3–6. |
Lupinus truncatus |
Lupinus elmeri |
|
Phenology | Flowering spring (Mar–May). | Flowering Jun–Jul. |
Habitat | Openings in coastal sage scrub, chaparral, oak woodlands, burned areas. | Open areas in red fir forests. |
Elevation | 0–1200 m. (0–3900 ft.) | (1300–)1500–2000 m. ((4300–)4900–6600 ft.) |
Distribution |
CA; Mexico (Baja California)
|
CA |
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 elmeri is known from South Fork Mountain in Humboldt and Trinity counties. (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. sylvestris, L. albicaulis var. sylvestris | |
Name authority | Nuttall ex Hooker & Arnott: Bot. Beechey Voy., 336. (1838) | Greene: Pittonia 3: 159. (1897) |
Web links |