Lupinus subcarnosus |
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Texas bluebonnet |
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Habit | Herbs, annual, 1.5–4 dm, pubescent, hairs appressed or ascending. |
Stems | ascending or erect, branched. |
Leaves | cauline, often crowded near base; petiole 1–6 cm; leaflets 5 or 6, blades 10–25 × 4–15 mm, adaxial surface glabrate. |
Racemes | 6–12 cm; flowers crowded or spaced, spirally arranged, crowded on young growth. |
Peduncles | 3–8 cm; bracts deciduous, 2.5–3 mm. |
Pedicels | 3–7 mm. |
Flowers | 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 | 2.5–3.5 cm, yellowish gray- or brown-villous. |
Cotyledons | usually persistent, petiolate. |
Seeds | 4 or 5. |
2n | = 36. |
Lupinus subcarnosus |
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Phenology | Flowering spring. |
Habitat | Sandy soils, roadsides, open woodlands, coastal plains. |
Elevation | 0–300 m. (0–1000 ft.) |
Distribution |
TX; Mexico (Coahuila, Nuevo Léon) |
Discussion | 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. |
Parent taxa | |
Sibling taxa | |
Name authority | Hooker: Bot. Mag. 63: plate 3467. (1836) |
Web links |