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FNA | Family List | FNA Vol. 12 | Rhamnaceae

8. Colubrina arborescens (Miller) Sargent, Trees & Shrubs. 2: 167. 1911.

Greenheart, coffee colubrina, wild coffee Greenheart, coffee colubrina, wild coffee

Ceanothus arborescens Miller, Gard. Dict. ed. 8, Ceanothus no. 3. 1768; Colubrina ferruginosa Brongniart

Shrubs or trees, erect, 1–8 m. Stems straight, densely reddish tomentose, glabrescent. Leaves persistent; petiole 5–20 mm; blade ovate to ovate-oblong or elliptic or oblong-obovate, 5–15 cm, subcoriaceous, base obtuse to rounded or subcordate, 2 prominent glands at petiole/blade junction, margins entire, sometimes with glands, apex acute to acuminate, both surfaces red-brown tomentose, abaxial glabrescent except persistently tomentose on veins, adaxial glabrescent; pinnately veined, secondary (4–)5–9 pairs, arcuate, abaxial glands at ends of intermediate secondary veins. Inflorescences cymes or thyrses, 10–30-flowered; peduncles (3–)5–10 mm; fruiting pedicels 4–10 mm. Capsules 6–8 mm.

Flowering Nov–Feb, possibly year-round. Dunes, glade margins, mangrove margins, hammocks, canal edges; 0–10 m; Fla.; Mexico; West Indies; Central America.

Colubrina arborescens is known in the flora area only from Miami-Dade and Monroe counties.


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