Indigofera colutea |
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rusty indigo |
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Habit | Herbs, annual or short-lived perennial, pubescent, hairs long, simple, erect, spreading, glandular, intermixed with appressed hairs. |
Stems | ascending and spreading or prostrate, branched, 3–30 dm. |
Leaves | 1.5–4.5 cm; stipules narrowly linear, 2.5–3.5 mm; petiole 1–1.5 cm; stipels of brown hairs; petiolules 0.5 mm; leaflets 5–11, sometimes subopposite or alternate proximally, opposite distally, blades elliptic or obovate, 7–14 × 3–4 mm, base cuneate to broadly cuneate, apex broadly acute or obtuse, apiculate, surfaces pubescent, hairs erect, spreading, and appressed. |
Racemes | 3–10-flowered, lax, 2.5–3.5 cm. |
Peduncles | 0.7–1.2 cm. |
Pedicels | 0.5–1 mm. |
Flowers | 2.5–3 mm; calyx 1.5–1.9 mm, lobes subulate; corolla reddish or salmon pink. |
Legumes | brown, spreading, slightly deflexed, or slightly ascending, cylindric, straight, 18–26 mm, papery, pubescent. |
Seeds | 8–12, amber-brown, cuboid. |
2n | = 16. |
Indigofera colutea |
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Phenology | Flowering year-round. |
Habitat | Disturbed areas, roadsides, rocky areas, coastal sand. |
Elevation | 0–50 m. (0–200 ft.) |
Distribution |
FL; Asia; Africa [Introduced in North America; introduced also in West Indies (Hispaniola, Jamaica), Pacific Islands, Australia] |
Discussion | In the flora area, Indigofera colutea is known only from Hillsborough, Manatee, and Polk counties. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. |
Parent taxa | |
Sibling taxa | |
Synonyms | Galega colutea, I. viscosa |
Name authority | (Burman f.) Merrill: Philipp. J. Sci. 19: 355. (1921) |
Web links |