Rubus menglaensis T. T. Yu & L. T. Lu

Shrubs ca. 1 m tall. Branchlets grayish brown or reddish brown, cylindric, brownish yellow pubescent, soft bristly, with sparse, curved minute prickles and glandular hairs; petiole 2–3 cm, pubescent, soft bristly, with sparse, curved minute prickles and glandular hairs; stipules free, brownish, to 1 cm, pubescent, soft bristly, deeply pinnate-laciniate; lobes linear; blade narrowly ovate or broadly oblong, 7–13 × 5–8 cm, lateral veins 5 or 6 pairs, both surfaces pubescent, soft bristly, with sparse, curved minute prickles along veins, base deeply cordate, margin undivided or somewhat undulate, densely thin sharply serrate, apex acute. Inflorescences terminal or axillary, subracemes or narrow panicles, 6–10 cm, few flowered; rachis and pedicels densely pubescent, sparsely soft bristly, with glandular hairs; bracts less than 1 cm, pubescent, soft bristly, deeply pinnate-laciniate; lobes linear. Pedicel 1–1.5 cm. Flowers 1–1.5 cm in diam. Calyx densely brownish yellow soft bristly, pubescent, with sparse, intermixed glandular hairs; tube pelviform; sepals ovate-lanceolate, 6–8 × 3–5 mm, apex caudate; outer sepals apically often shallowly laciniate. Petals suborbicular, 5–6 mm in diam., shorter than sepals, adaxially puberulous, base shortly clawed, margin crenate. Stamens many, shorter than petals; filaments broad, complanate, glabrous. Pistils ca. 40 or slightly more, longer than stamens; ovary pubescent. Aggregate fruit red, subglobose. Fl. May–Jul, fr. Aug–Sep.

S Yunnan.

Disturbed places on mountains; 500--600 m.