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

195. Rubus pectinarioides H. Hara, J. Jap. Bot. 47: 111. 1972.

匍匐悬钩子 pu fu xuan gou zi

Subshrubs creeping, (5–)10–20 cm tall. Stems prostrate, rooting at nodes, soft hairy, bristly, usually unarmed. Leaves simple; petiole 2–5 cm, with soft reddish brown bristles and hairs; stipules ovate to elliptic, free, 8–10 mm, hairy, margin entire or rarely apically with few serrations, apex obtuse or acute; blade orbicular-ovate or suborbicular, 2–4 × 1.5–5 cm, both surfaces pilose, gradually glabrescent, abaxially soft bristly along veins, base deeply cordate, margin undulate or 3–5-lobed, unevenly sharply serrate, apically obtuse or rounded. Inflorescences usually terminal, 1-flowered or flowers in clusters of 2 or 3; bracts usually 2, opposite at middle of pedicel, ovate to elliptic, 5–8 mm, hairy, margin entire or apically lobed. Pedicel 3.5–6 cm, reddish brown bristly and soft hairy. Flowers 1.5–2.3 cm in diam. Calyx abaxially with dense, reddish brown soft bristles and hairs; tube cupular; sepals ovate-lanceolate, 0.8–1.3 cm × 4–5 mm, margin entire or outer sepals apically lobed, apex caudate. Petals pink, suborbicular or broadly obovate, 0.8–1.4 cm × 7–10 mm, base clawed, apex obtuse. Stamens many, shorter than petals; filaments broad, flat. Pistils nearly equal to stamens in length; style and ovary glabrous. Aggregate fruit red, subglobose, 1–1.5 cm in diam., glabrous, enclosed in persistent calyx; pyrenes smooth. Fl. Jul–Aug, fr. Sep–Oct.

Forests on rocky slopes, rocky stream sides in mountains; 2800--3300 m. SE Xizang, NW Yunnan [Bhutan, Sikkim].


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