目前为止，中国西南野生生物种质资源库共保藏该物种: 种子7份; DNA材料12份; DNA3份;

• 科:蔷薇科    Rosaceae
• 属:悬钩子属   Rubus
• 种:粉枝莓   Rubus biflorus

39. Rubus biflorus Buchanan-Hamilton ex Smith in Rees, Cycl. 30: Rubus no. 9. 1819. 粉枝莓 fen zhi mei Shrubs climbing, 1–3 m tall. Branchlets purplish brown to brownish, glabrous, with sparse, robust curved prickles and glaucous bloom. Leaves imparipinnate, 3-foliolate, rarely 5-foliolate; petiole 2–4(–5) cm, petiolule of terminal leaflet 1–2.5 cm, lateral leaflets subsessile, glabrous, rarely pilose, sparsely stipitate glandular; stipules narrowly lanceolate, 6–8 mm, pubescent, with few stipitate glands; terminal leaflet blade broadly ovate or suborbicular, lateral blade of leaflets ovate or elliptic, 2.5–5 × 1.5–4(–5) cm, abaxially densely gray or yellowish gray tomentose, with sparse, minute prickles along midvein, adaxially appressed pubescent, base broadly cuneate to rounded, margin unevenly coarsely serrate or doubly serrate, often 3-lobed on terminal leaflet, apex acute or acuminate. Inflorescences terminal, rarely axillary, corymbs, 4–6 cm, often 4–8-flowered, or flowers 2 to several in clusters in leaf axils; rachis and pedicels glabrous, with needle-like prickles; bracts linear or narrowly lanceolate, 4–7 mm, glabrous, rarely pilose. Pedicel (1–) 2–3 cm. Flowers 1.5–2 cm in diam. Calyx abaxially glabrous; sepals erect, spreading at anthesis, broadly ovate or orbicular-ovate, 6–8 × 5–7 mm, apex acute, apiculate. Petals white, suborbicular, 7–8 mm in diam., longer than sepals. Stamens many, shorter than petals; filaments linear, broader at base. Pistils somewhat shorter than stamens; apex of ovary and base of style densely gray tomentose. Aggregate fruit enclosed in calyx, yellow, globose, 1–1.5(–2) cm in diam., glabrous; drupelets apically with persistently tomentose styles; pyrenes reniform, densely rugulose. Fl. May–Jun, fr. Jul–Aug.Valleys, river sides, slopes, roadsides, thickets, forests, forest margins; 1500--3500 m. Gansu, Guizhou, Shaanxi, Sichuan, Xizang, Yunnan [Bhutan, NE India, Kashmir, Myanmar, Nepal, Sikkim].【引自：Flora of China】

攀援灌木，高1-3米；枝紫褐色至棕褐色，无毛，具白粉霜，疏生粗壮钩状皮刺。小叶 常3枚，稀5枚，长2.5-5厘米，宽1.5-4(5）厘米，顶生小叶宽卵形或近圆形，侧生小叶卵形或椭圆形，顶端急尖或短渐尖，基部宽楔形至圆形，上面伏生柔毛，下面密被灰白色 或灰黄色绒毛，沿中脉有极稀疏小皮刺，边缘具不整齐粗锯齿或重锯齿，顶生小叶边缘常 3裂；叶柄长2-4(5）厘米，顶生小叶柄长1-2.5厘米，侧生小叶近无柄，均无毛或位于 侧生小枝基部之叶柄具疏柔毛和疏腺毛，疏生小皮刺；托叶狭披针形，常具柔毛和少数腺 毛，位于侧生小枝基部之托叶，其边缘具稀疏腺毛。花2-8朵，生于侧生小枝顶端的花 较多，常4-8朵簇生或成伞房状花序，腋生者花较少，通常2-3朵簇生；花梗长2-3厘 米，无毛，疏生小皮刺；苞片线形或狭披针形，常无毛，稀有疏柔毛；花直径1.5-2厘米；花萼外面无毛；萼片宽卵形或圆卵形，宽5-7毫米，顶端急尖并具针状短尖头，在花时直立 开展，果时包于果实；花瓣近圆形，白色，直径7-8毫米，比萼片长得多；花丝线形或基部 稍宽；花柱基部及子房顶部密被白色绒毛。果实球形，包于萼内，直径1-1.5(2)厘米，黄色，无毛，或顶端常有具绒毛的残存花柱；核肾形，具细密皱纹。花期5-6月，果期7-8月。 【引自：中国植物志】