Rubus benguetensis Elmer

Climbing or scrambling shrubs. Stems up to 15 m long, young twigs (rather) densely covered with patent and with curly hairs mixed with glandular hairs, prickles few to rather many, small. Leaves ovate to elliptic, (6-)7.5-13 by (3.5-)5-8 cm, not lobed, in sterile shoots up to 17 by 9 cm and shallowly 3-lobed, base cordate to subtruncate, margin evenly serrate, apex acute to shortly acuminate, herbaceous to stiffly coriaceous, nervation pinnate with up to 6 pairs of nerves, sometimes ± pedate, venation transverse, both surfaces more or less densely hairy at least on nerves and veins. Petiole 0.5—1(—1.5) cm long. Stipules often rather persistent, pinnatisect to-partite with 2-4 pairs of lobes, up to 9 by 3 mm. Inflorescence laxly paniculate, a compound raceme with the ultimate branching sometimes cymose, up to c. 20 laterals with up to 30 flowers, the lowermost laterals in the axils of leaves, the entire inflorescence up to c. 35 cm long, the laterals up to 15 cm. Bracts usually tripartite, up to c. 8 mm long. Pedicels 0.7-1.5 cm long, densely hairy as are the branches of the inflorescence. Flowers bisexual, flower buds ovoid. Hypanthium saucer-shaped, 3.5-4 mm across, shortly woolly outside and also with long hairs. Sepals ovate, sharply pointed, 6-7 by 2.5-5 mm, inner ones narrower than outer ones, covered margins entire, outer margins with usually one minute tooth under the apex, indumentum outside as hypanthium, the outside pink to purple as are the pedicels. Petals none, rarely one or a semi-petaloid stamen. Stamens 50-80, glabrous, filaments up to 5 mm, anthers 0.5-0.8 mm long. Pistils (13-)20-30, glabrous, ovaries on slightly elevated, hairy torus, style up to 5 mm long. Collective fruits globular, up to 8 mm diam., sepals closing after anthesis. Fruits 3.5-6 by 2-2.5 mm when dry, black, mesocarp probably fleshy and rather thick but when dry only a thin, tough layer.

It is a tropical plant.