Guettarda ferruginea Griseb.

Guettarda ferruginea Griseb. Cat. PI. Cub. 131. 1866
Guettarda calyplrata var. ferfuginea C. Wright; Sauv. Anal. Acad. Ci. Hahana 6: 123. 1869.
A shrub or tree, sometimes 6 meters high, with a trunk 7.5 cm. in diameter, the thick branches gray or blackish, the very stout branchlets ferruginous, densely short-pilose and longpilose with sU'ikIlt forruKinous hairs, the intLTiiodcs short or elongate; stipules ovate-oViloiij;, acute, 1.5-2 cm. long, long-pilose, caducous; leaves opposite, the petioles very thick, 6-1.5 mm. long; leaf-blades oblong or oval-oblong, 2.5-10 cm. long, 1.2-6.5 cm. wide, rounded or olituse at the apex, cordate or .subcordate at the base, very rigid-coriaceous, tomentose above when young but soon glabrate, the venation impressed or subimiJressed, the veins closely reticulate, beneath densely fcrruginous-tomcntose, pilose on the nerves, the costa and nerves very stout and prominent, the latter 6-10 on each side, straight or subarcuate, the veins prominent but usually obscured by the tomentum, the margin commonly recurved; cymes subcapitate, 3-7-flowered, the peduncles 5-10 mm. long, the flowers sessile, the bractlets lanceolate, equaling the calyx; calyx and hypanthium densely ferruginous-pilose, the calyx calyptriform, usually 2-cleft by the expanding corolla and deciduous before anthesis, the lower part sometimes persistent; corolla white, densely antrorse-pilose outside with long lax ferruginous hairs, the tube 2.3-3 cm. long, the 6 lobes oblong, obtuse, one third as long as the tube, glabrous within; fruit globose, 12-16 mm. in diameter, ferruginous-tomentulose, with 5 or 6 or more cells.
Type uoc.m.itv: Pinelands near Mayari, Cuba.
Distribi'Tion: Oriento, Cuba, at 400-750 meters, sometimes growing in pine forests.

Guettarda ferruginea là một loài thực vật có hoa trong họ Thiến thảo. Loài này được Griseb. mô tả khoa học đầu tiên năm 1866.