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.

Rubus alpinus is a New World species of brambles in the rose family. It grows in Jamaica, Costa Rica, Guatemala, Colombia, Honduras, Panamá, Venezuela, and the 3 Guianas.

Rubus alpinus is a perennial with purple stems with curved prickles. Leaves are compound with 3 or 5 leaflets. Flowers are white. Fruits are hairless, the drupelets falling off separately.

Rubus alpinus là loài thực vật có hoa trong họ Hoa hồng. Loài này được Macfad. miêu tả khoa học đầu tiên năm 1850.