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

31. Rubus ellipticus Smith in Rees, Cycl. 30: Rubus no. 16. 1819.

椭圆悬钩子 tuo yuan xuan gou zi

Shrubs 1–3 m tall. Branchlets purplish brown or brownish, pubescent, with sparse, curved prickles and dense, purplish brown bristles or glandular hairs. Leaves imparipinnate, 3-foliolate; petiole 2–6 cm, petiolule of terminal leaflet 2–3 cm, lateral leaflets subsessile, petiolule and rachis purplish red bristly, pubescent, with minute prickles; stipules linear, 7–11 mm, pubescent, with intermixed glandular hairs; blade of leaflets elliptic or obovate, 4–8(–12) × 3–6(–9) cm, terminal leaflet much larger than lateral leaflets, abaxially densely tomentose, with purplish red bristles along prominent veins, adaxially veins impressed, pubescent along midvein, base rounded, margin unevenly minute sharply serrate, apex acute, abruptly pointed, shallowly cordate, or subtruncate. Inflorescences terminal, dense glomerate racemes, (1.5–)2–4 cm, flowers several to 10 or more, or flowers several in clusters in leaf axils, rarely flowers solitary; rachis and pedicels pubescent, bristly; bracts linear, 5–9 mm, pubescent. Pedicel 4–6 mm. Flowers 1–1.5 cm in diam. Calyx abaxially pubescent, intermixed yellowish tomentose, sparsely bristly; sepals erect, ovate, 4–5(–6) × 2–3(–4) mm, abaxially densely yellowish gray tomentose, apex acute and abruptly pointed. Petals white or pink, spatulate, longer than sepals, margin premorse, densely pubescent, base clawed. Stamens numerous, shorter than petals; filaments broadened and flattened basally. Ovary pubescent; styles glabrous, slightly longer than stamens. Aggregate fruit golden yellow, subglobose, ca. 1 cm in diam., glabrous or drupelets pubescent at apex; pyrenes triangular-ovoid, densely rugulose. Fl. Mar–Apr, fr. Apr–May. 2n = 14.

Slopes, montane valleys, sparse forests, thickets, roadsides; 300--2600 m. Guangxi, Guizhou, Sichuan, S Xizang, Yunnan [Bhutan, India, Laos, Myanmar, Nepal, Pakistan, Philippines, Sikkim, Sri Lanka, Thailand, Vietnam].

Rubus fasciculatus var. tomentosus Cardot (Notul. Syst. (Paris) 3: 314. 1917), described from Yunnan based on P. Ngueou s.n. and Ducloux 5147, is probably a synonym of R. ellipticus; the present authors have not seen the syntypes.

1 Leaflets elliptic, apex acute or abruptly pointed; pedicel and abaxial surface of calyx bristly.   31a var. ellipticus
+ Leaflets obovate, apex shallowly cordate or subtruncate; pedicel and abaxial surface of calyx with few bristles.   31b var. obcordatus

Lower Taxa


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Photos by The Biodiversity of the Hengduan Mountains Project  
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