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Chinese Plant Names | Family List | Rosaceae | Rosa

Rosa kweichowensis Yu et Ku

贵州缫丝花

Description from Flora of China

Shrubs evergreen or semi-evergreen, climbing, small. Branchlets purple-brown, terete, curved, glabrous; prickles short, flat. Leaves including petiole 5–10 cm; stipules with 1/3 part adnate to petiole, free parts lanceolate, margin glandular serrate, apex acuminate, and petiole with scattered, small prickles, leaflets 7–9, elliptic, obovate, or ovate, 1.5–3.5 × 0.8–2 cm, glabrous, abaxially with prominent midvein and lateral veins, base broadly cuneate or subrounded, margin acutely simply serrate, apex acuminate or acute. Flowers 7–17 in compound corymb, 2.5–3 cm in diam.; peduncle and pedicels pubescent, pedicel 7–10 mm; bracts unknown. Hypanthium depressed-globose, abaxially subglabrous, densely prickly. Sepals 5, usually broadly ovate, abaxially densely prickly, adaxially tomentose, margin irregularly pinnately lobed, apex acuminate. Petals 5, white, slightly longer than sepals, obovate, base cuneate, apex erose. Carpels on projected torus at base of hypanthium; styles free, slightly exserted, pubescent. Hip unknown. Fl. May–Jul.

One of us (Robertson) has seen no specimens of this species.

Shady places. C Guizhou (Qingzhen Xian).


 

Related Objects  

Flora of China  
  • Flora of China Illustrations vol. 9, fig. 153, 1-2
  • Illustration

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