Indigofera texana |
Indigofera caroliniana |
|
---|---|---|
Texas indigo |
Carolina indigo |
|
Habit | Herbs, perennial, pubescent, glabrate, hairs crisped, curling. | Herbs, perennial, herbaceous or suffrutescent, sparsely strigose, hairs appressed. |
Stems | erect to procumbent, branched, 3–5 dm; from stout rootstock. |
erect or ascending, often bushy, branched, 7–15 dm. |
Leaves | 2.5–4.5 cm; stipules subulate, 5–8 mm; petiole 0.4–0.6 cm; stipels absent; petiolules 0.5–1 mm; leaflets (3 or)5–9, usually opposite, rarely subopposite, blades obovate, 18–25 × 5–7 mm, terminal leaflet equal to or slightly larger than laterals, primarily wider distally, base cuneate, apex acute, mucronate, surfaces strigose abaxially, glabrous or glabrate adaxially. |
2–8.5 cm; stipules narrowly triangular, 0.5–1 mm; petiole 0.5–1.3 cm; stipels 0.5–1 mm; petiolules 1–1.3 mm; leaflets (7 or)9–13, ± opposite, blades obovate to oblanceolate, 8–20(–25) × 2–12 mm, base cuneate, apex broadly acute or obtuse, mucronate, surfaces strigulose, pale abaxially. |
Racemes | 20–30+-flowered, lax, 3–10 cm. |
15–40-flowered, lax, 4–12 cm. |
Peduncles | 2–5 cm. |
1–2 cm. |
Pedicels | 1–1.5 mm. |
1–2(–3) mm. |
Flowers | 8–10 mm; calyx 3–4 mm, lobes narrowly long-triangular; corolla reddish. |
6–9 mm; calyx 1.5–2 mm, lobes deltate; corolla dark pinkish buff to ochroleucous. |
Legumes | gray-brown, deflexed, cylindric, straight, 18–27 mm, leathery, glabrate. |
dark brown, deflexed, ovoid or oblong, straight, 7–9 mm, woody, glabrate or sparsely strigulose. |
Seeds | 7 or 8, yellowish green becoming brown in age, often with brown mottling, cuboid. |
2 or 3, yellowish tan, bluntly ellipsoidal. |
2n | = 32. |
|
Indigofera texana |
Indigofera caroliniana |
|
Phenology | Flowering Apr–Jun. | Flowering Jun–Jul. |
Habitat | Granite-based soils. | Pinelands, pine-palmetto, scrub oak communities, sandhills, hammocks, roadsides. |
Elevation | 200–700 m. (700–2300 ft.) | 0–200 m. (0–700 ft.) |
Distribution |
TX |
AL; FL; GA; LA; NC; SC
|
Discussion | Indigofera texana is known only from central Texas, in Blanco, Burnet, Gillespie, Kerr, Llano, Mason, and Menard counties. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Indigofera caroliniana Walter is an illegitimate later homonym that pertains here; the name by Walter is also the basis of Anila caroliniana. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | I. miniata var. texana | Anila caroliniana, I. disperma |
Name authority | Buckley: Proc. Acad. Nat. Sci. Philadelphia 13: 451. (1862) | Miller: Gard. Dict. ed. 8, Indigofera no. 3. (1768) |
Web links |