Rubus quinquefoliolatus T. T. Yu & L. T. Lu

Shrubs scandent, ca. 1.5 m tall. Branchlets reddish brown to purplish brown when young, grayish brown in age, terete, soft hairy, glabrescent, with sparse prickles. Leaves palmately 5-foliolate; petiole 2–4 cm; leaflets sessile or subsessile, soft hairy; stipules linear-lanceolate, 4–6 mm, puberulous, usually undivided; blade of leaflets elliptic-lanceolate or rhombic-lanceolate, 3–7 × 1–2.4 cm, terminal leaflet slightly longer than lateral leaflets, both surfaces soft hairy along veins, base cuneate, margin coarsely sharply serrate and doubly serrate, apex acuminate to caudate. Inflorescences terminal on lateral branchlets, 1-flowered; bracts linear-lanceolate, 3–5 mm, puberulous, margin entire. Pedicel 2–3.5 cm, glabrous. Flowers 1.5–2 cm in diam. Calyx abaxially glabrous, unarmed or with sparse, needle-like prickles; tube broadly pelviform; sepals erect, spreading, ovate-lanceolate or triangular-lanceolate, 8–10 mm, margin entire, rarely apically shallowly 2- or 3-laciniate, inner sepals tomentose at margin, apex caudate. Petals white, ovate or elliptic, much shorter than sepals, puberulous, base slightly clawed. Stamens many, uniseriate; filaments broad, complanate. Pistils 10–15; ovary and base of style yellowish villous. Aggregate fruit red, semiglobose, 1–1.5 cm in diam., together with persistent styles villous, enclosed in calyx; pyrenes to 4 mm, rugose. Fl. Apr–May, fr. May–Jun.

SW Guizhou (Anlong Bouyeizu Miaozu Zizhixian), SW Yunnan (Shuangjiang Xian).

Slopes, stream side forests, mixed forests on low ridges; 1600--2500 m.

Rubus quinquefoliolatus là loài thực vật có hoa trong họ Hoa hồng. Loài này được T.T. Yu & L.T. Lu miêu tả khoa học đầu tiên năm 1982.

五叶悬钩子（学名：Rubus quinquefoliolatus）为蔷薇科悬钩子属的植物，是中国的特有植物。分布在中国大陆的云南、贵州等地，生长于海拔1,550米至2,450米的地区，多生于山坡、溪边疏密林下以及分水岭杂木林中，目前尚未由人工引种栽培。