Lupinus truncatus |
Lupinus tracyi |
|
---|---|---|
blunt-leaf lupine, collared annual lupine |
Tracy's lupine |
|
Habit | Herbs, annual, 2–5(–8) dm, finely pubescent, appearing glabrous. | Herbs, perennial, 4–7 dm, glabrous, glaucous. |
Stems | ascending or erect, branched or unbranched. |
solitary, erect, slender, usually unbranched. |
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 7–9 mm; petiole to 1 cm; leaflets 6 or 7, blades 10–40 × 4–10 mm, adaxial surface glabrous. |
Racemes | 6–35 cm; flowers loosely spirally arranged. |
4–16 cm; flowers ± whorled or not. |
Peduncles | 3–10 cm; bracts persistent, 2–5 mm. |
2–6 cm; bracts deciduous, 8–10 mm. |
Pedicels | 2–4 mm. |
5–6 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. |
8–10(–12) mm; calyx bulge or spur 0–1 mm, abaxial lobe 3-toothed, 3–5 mm, adaxial lobe 2-toothed, 3–8 mm; corolla whitish to dull blue (at least in bud), often fading to pale yellow, banner glabrous abaxially, keel glabrous, tip sometimes exserted. |
Legumes | ±3 cm, pubescent. |
1.5–2.5 cm, white-hairy, dark when dry. |
Cotyledons | deciduous, petiolate. |
deciduous, petiolate. |
Seeds | 6–8. |
3 or 4, 4–5 mm. |
Lupinus truncatus |
Lupinus tracyi |
|
Phenology | Flowering spring (Mar–May). | Flowering (May–)Jun–Jul. |
Habitat | Openings in coastal sage scrub, chaparral, oak woodlands, burned areas. | Dry, open montane forests. |
Elevation | 0–1200 m. (0–3900 ft.) | 800–2500 m. (2600–8200 ft.) |
Distribution |
CA; Mexico (Baja California)
|
CA; OR
|
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 tracyi is known from the Klamath Ranges of northern California and adjacent areas in southern Oregon. (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 | ||
Name authority | Nuttall ex Hooker & Arnott: Bot. Beechey Voy., 336. (1838) | Eastwood: Leafl. W. Bot. 2: 268. (1940) |
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