Lupinus pratensis |
Lupinus subcarnosus |
|
---|---|---|
Inyo Meadow lupine |
Texas bluebonnet |
|
Habit | Herbs, perennial, 3–7 dm, green, hairy. | Herbs, annual, 1.5–4 dm, pubescent, hairs appressed or ascending. |
Stems | erect, unbranched or branched distally, hollow. |
ascending or erect, branched. |
Leaves | basal and cauline, green; stipules 5–20 mm; basal petioles 10–25 cm, cauline 1–4 cm; leaflets 5–10, blades 30–80(–130) × 5–8 mm, adaxial surface strigose, hairs less than 1 mm. |
cauline, often crowded near base; petiole 1–6 cm; leaflets 5 or 6, blades 10–25 × 4–15 mm, adaxial surface glabrate. |
Racemes | 5–28 cm, usually exceeding leaves; flowers dense. |
6–12 cm; flowers crowded or spaced, spirally arranged, crowded on young growth. |
Peduncles | 4–17 cm; bracts persistent, 5–10 mm. |
3–8 cm; bracts deciduous, 2.5–3 mm. |
Pedicels | 1–3 mm. |
3–7 mm. |
Flowers | 10–12 mm; calyx bulge or spur 0–1 mm, abaxial lobe entire, 5–6 mm, adaxial lobe 2-toothed, 4–7 mm; corolla violet to dark blue, banner patch orange to red, banner usually glabrous abaxially, rarely hairy, lower keel margins glabrous, adaxial margin densely ciliate. |
9–12 mm; calyx 5–6 mm, abaxial lobe 3-lobed, 3–4 mm, adaxial lobe cleft, 2–2.5 mm, hairs becoming yellowish gray or brown on dried material; corolla pale blue-violet, banner spot white, keel glabrous, wings inflated. |
Legumes | 1.5–2 cm, hairy to woolly. |
2.5–3.5 cm, yellowish gray- or brown-villous. |
Cotyledons | deciduous, petiolate. |
usually persistent, petiolate. |
Seeds | 4–6, brown, mottled tan, 3–4 mm. |
4 or 5. |
2n | = 36. |
|
Lupinus pratensis |
Lupinus subcarnosus |
|
Phenology | Flowering May–Sep. | Flowering spring. |
Habitat | Meadows, stream banks, sagebrush scrub to subalpine forests. | Sandy soils, roadsides, open woodlands, coastal plains. |
Elevation | 2000–3500 m. (6600–11500 ft.) | 0–300 m. (0–1000 ft.) |
Distribution |
CA
|
TX; Mexico (Coahuila, Nuevo Léon) |
Discussion | Lupinus pratensis is known from the southern Sierra Nevada in Fresno, Inyo, Mono, and Tulare counties. Plants from Big Pine Creek in Inyo County with banners that are hairy abaxially have been called var. eriostachyus. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Lupinus subcarnosus is abundant and conspicuous in the coastal plain of southeastern Texas and extends into northern Mexico. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | L. pratensis var. eriostachyus, L. sellulus var. elatus | |
Name authority | A. Heller: Muhlenbergia 2: 210. (1906) | Hooker: Bot. Mag. 63: plate 3467. (1836) |
Web links |