Botanical name: Rubus macilentus Family: Rosaceae (Rose family)
Lean Raspberry is a shrub 1-2 m tall. It can be confused with Hoffmeister Raspberry. Branchlets are brown or reddish brown, round, hairy, with unequal long flattebed thorns. Leaves are trifoliate, rarely simple, leaf-stalk 0.8-1 cm. Stalk of terminal leaflet is 0.5-1 cm, lateral leaflets nearly stalkless, velvety with minute prickles. Stipules are linear or linear-lanceolate, 4-6 mm, soft hairy. Leaflets are lanceolate, ovate-lanceolate, or ovate, terminal leaflet much longer than lateral leaflets, 3-5 x 1-2.5 cm, lateral leaflets 1-2 × 0.7–1.4 cm, both surfaces hairless or slightly soft hairy, below with sparse, minute prickles only along veins, base rounded or broadly cuneate, margin sharply toothed, tip pointed, rarely obtuse, often shortly acuminate on terminal leaflet. Inflorescences terminal on short lateral branchlets, 1-3-flowered; bracts lanceolate or linear-lanceolate, somewhat smaller than stipules, soft hairy. Pedicel 6–10 mm, villous, sometimes with sparse, minute prickles. Flowers are about 1 cm in diameter Calyx abaxially villous; sepals erect, rarely spreading, lanceolate or triangular-lanceolate, 6–8 × 2–3(–4) mm, apex shortly caudate. Petals are white, broadly ovate to oblong, slightly longer than or nearly as long as sepals, both surfaces soft hairy, base clawed. Stamens many, shorter than sepals; filaments broad, complanate. Pistils many, slightly shorter than stamens; apical part of ovary and base of style sparsely villous. Aggregate fruit orange or red, subglobose, glabrous or somewhat soft hairy, enclosed in calyx; pyrenes globose, deeply reticulate. Lean Raspberry is found in the Himalayas, from Bhutan, N India, Kashmir, Nepal, Sikkim to parts of China. Flowering: April-May.
Identification credit: Krishan Lal
The flower labeled Lean Raspberry is ...