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FOC | Family List | FOC Vol. 9 | Rosaceae | Rubus

191. Rubus amphidasys Focke, Bot. Jahrb. Syst. 29: 396. 1900.

周毛悬钩子 zhou mao xuan gou zi

Rubus chaffanjonii H. Léveillé & Vaniot.

Shrubs trailing, small, 0.3–1 m tall. Branchlets reddish brown, with dense reddish brown long stipitate glands, soft bristles, and long yellowish hairs, usually unarmed. Leaves simple; petiole 2–5.5 cm, with reddish brown long glandular hairs, soft bristles and yellowish villous; stipules free, 0.8–1.5 cm, deeply laciniate; lobes lanceolate or linear, with long glandular hairs, villous; blade broadly to narrowly ovate, 5–11 × 3.5–9 cm, both surfaces villous, base cordate, margin 3–5-lobed, terminal lobe much larger and longer than lateral lobes, apex shortly acuminate, rarely acute, lateral lobes obtuse, unevenly sharply serrate. Inflorescences terminal or axillary, subracemes, 6–12 cm, 5–12-flowered, rarely flowers in clusters of 3–5; rachis, pedicels, and abaxial surface of calyx with dense reddish brown long glandular hairs, soft bristles, and yellowish long hairs; bracts 6–9 mm, lobed; lobes linear or lanceolate, villous, stipitate glandular. Pedicel 5–14 mm. Flowers 1–1.5 cm in diam. Calyx tube ca. 5 mm; sepals erect in fruit, narrowly lanceolate, 1–1.7 cm × 3–5 mm, apex caudate, outer sepals usually 2- or 3-laciniate. Petals white, broadly ovate to oblong, 4–7 × 3–5 mm, base barely clawed, margin premorse or coarsely serrate. Stamens many; filaments broad, complanate. Pistils longer than stamens; ovary glabrous. Aggregate fruit dark red, compressed globose, ca. 1 cm in diam., glabrous, enclosed in persistent calyx; pyrenes rugose. Fl. May–Jun, fr. Jul–Aug.

Slopes, roadsides, shrub and bamboo thickets; 400--1600 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Sichuan, Zhejiang.


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