Rubus alpinus Macfad.

Rubus alpinus Macfad. Fl. Jam. 2: 7. 1850
Rubus guyanensis Focke, Abh. Nat. Ver. Bremen 4: 160. 1874.
Stems perennial, terete, purplish, reclining over bushes, at first finely pubescent, soon glabrate with recurved prickles; leaves ternate; stipules setaceous; petioles 3-5 cm. long, sparingly prickly; leaflets elliptic, acuminate at the apex, rounded or acute at the base, unequally and sharply serrate, green and glabrous on both sides or sparingly pubescent beneath, mainly on the veins, 4-8 cm. long; petiolule of the median leaflet 1-2 cm. long, those of the lateral ones 3-5 mm.; lateral veins 10-13 on each side; panicles terminal and axillary, narrow; peduncles somewhat pubescent; bracts lanceolate, purplish; sepals tomentose, lanceolate, cuspidate-acuminate, appressed to the fruit; petals obovate, 5-6 mm. long, exceeding the sepals, white; fruit rounded-ovate, dark-purple, 6 mm. long, 5 mm. broad; drupelets glabrous, numerous, falling off separately.
Type locality: Jamaica.
Distribution: Jamaica; Costa Rica and Guatemala; also in Colombia, Venezuela, and Guiana.