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Chinese Plant Names | Family List | Rosaceae | Rubus

Rubus fraxinifoliolus Hayata


Description from Flora of China

Rubus parvifraxinifolius Hayata; R. suzukianus Y. C. Liu & Yang.

Shrubs scandent. Branchlets brownish to reddish brown, flexuous, glabrous, with sparse, recurved prickles 3–4 mm. Leaves imparipinnate, 3–5(–7)-foliolate; petiole 3–4 cm, petiolule of terminal leaflet 5–10 mm, petiolule of lateral leaflets 2–3 mm, petiolule and rachis glabrous or nearly so, with sparse, minute prickles; stipules linear to linear-lanceolate, 5–10 mm, glabrous, margin entire; blade of leaflets lanceolate to ovate-lanceolate, 3–9 × 1.5–3 cm, papery, terminal leaflet usually longer and wider than lateral leaflets, lateral leaflets often ± oblique, lateral veins 8 or 9 per side, both surfaces glabrous, abaxially with sparse, minute prickles along midvein, adaxially sometimes slightly hirsute along veins, base rounded to subtruncate, margin unevenly serrate to doubly serrate, apex acute to acuminate. Inflorescences terminal or axillary, 1- or 2-flowered. Pedicel (1.5–)2–2.5 cm, glabrous or subglabrous. Flowers 2.3–4 cm in diam. Calyx cupular, ca. 8 mm in diam., glabrous, with few brown glands abaxially; sepals narrowly triangular, 1–1.3 cm × 5–7 mm, margin tomentose, apex caudate. Petals white, obovate, 1.2–1.9 × 1–1.5 cm, base clawed. Stamens many, shorter than petals; filaments broadened and flattened. Pistils numerous, slightly shorter than stamens when young; style and ovary glabrous. Aggregate fruit ellipsoid to globose, to 1.5 cm in diam. Fl. Jun–Jan, fr. Jun–Feb.

Along trails in broad-leaved forests, river valleys; 100--1900 m. E Taiwan.


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