Rubus parkeri Hance

Shrubs scandent. Branchlets brown to dark reddish brown, slender, densely gray-villous, with sparse, intermixed purplish red glandular hairs and slightly curved prickles. Leaves simple; petiole 5–10 mm, rarely to 2 cm, densely villous, with sparse, intermixed glandular hairs, with minute prickles; stipules 8–11 mm, palmately laciniate, lobes linear, villous; blade ovate-lanceolate or ovate-oblong, 7–16 × 3.5–6 cm, lateral veins 5 or 6 pairs, raised abaxially, abaxially densely gray tomentose, intermixed villous, with sparse, minute prickles along veins, adaxially appressed villous, more densely so along veins, base cordate, basal incision shallow, broad, basal 2 lobes short, not touching, margin tenuously serrate, lobed, apex acuminate. Cymose panicles, large, 12–24 cm; rachis and pedicels densely villous, with unequal long purplish red stipitate glandular hairs and sparse, minute prickles; bracts 6–9 mm, palmately laciniate; lobes linear, villous, stipitate glandular. Pedicel 0.8–1.2 cm. Flowers ca. 8 mm in diam. Calyx purplish red, abaxially densely villous, purplish red stipitate glandular; sepals ovate-lanceolate, 5–10 × 2.5–5 mm, margin entire, apex shortly acuminate. Petals white, sometimes absent. Stamens many, shorter than sepals; filaments linear. Pistils relatively few, shorter than stamens, glabrous. Aggregate fruit purplish black, globose, 4–6 mm in diam., glabrous. Fl. May–Jun, fr. Jul–Aug.

Guizhou, Hubei, Jiangsu, Shaanxi, Sichuan, Yunnan.

Sparse or dense forests in mountainous regions, stream sides, rocky places in valleys; below 1000 m.

Rubus parkeri var. brevisetosus Focke; R. parkeri var. longisetosus Focke; R. tsangsihsiensis K. S. Hao.

Rubus parkeri là loài thực vật có hoa trong họ Hoa hồng. Loài này được Hance miêu tả khoa học đầu tiên năm 1882.

乌泡子（学名：Rubus parkeri）为蔷薇科悬钩子属的植物，是中国的特有植物。分布于中国大陆的江苏、湖北、云南、贵州、陕西、四川等地，生长于海拔1,000米的地区，一般生于山地疏密林中阴湿处、溪旁和山谷岩石上，目前尚未由人工引种栽培。