Vasilis Teodoridis:
Rosaceae | Rubus
130. Rubus buergeri Miquel; Ann. Mus. Bot. Lugduno-Batavi. 3: 36. 1867.
?? han mei
Rubus bodinieri H. Léveillé & Vaniot; R. buergeri var. pseudobuergeri (Sasaki) Y. C. Liu & Yang; R. pseudobuergeri Sasaki; R. shimadae Hayata.
Shrubs erect to creeping. Stems often rooting at nodes; stolons to 2 m; brownish to reddish brown; stolons and flowering branchlets densely tomentose-villous; unarmed or with sparse; minute prickles. Leaves simple; petiole 4–9 cm; densely tomentose-villous; sometimes with sparse prickles; stipules caducous; free; 7–10 mm; palmatipartite or pinnatipartite; lobes linear or linear-lanceolate; soft hairy; blade ovate to suborbicular; 5–11 cm in diam.; palmately 5-veined; lateral veins 2 or 3 pairs; prominently raised abaxially; abaxially densely tomentose; with soft hairs along veins when young; hairs deciduous in age; adaxially slightly soft hairy or only hairy along veins; base cordate; margin 5–7-lobed; lobes unevenly sharply serrate; apex obtuse; rarely acute. Inflorescences terminal or axillary; short subracemes; 4–6 cm; few flowered; or flowers several in clusters in leaf axils; rachis and pedicels densely tomentose-villous; with sparse prickles or not; bracts 7–9 mm; palmatipartite or pinnatipartite; lobes linear; villous. Pedicel 5–9 mm. Flowers 6–10 mm in diam. Calyx abaxially yellowish villous and tomentose; sepals erect in fruit; rarely reflexed; lanceolate or ovate-lanceolate; 5–9 x 3–5 mm; apex acuminate; outer sepals often lobed apically; inner sepals entire. Petals white; obovate; nearly as long as or slightly longer than sepals; glabrous; apex erose. Stamens many; shorter than petals; filaments linear; glabrous. Pistils glabrous; longer than stamens. Aggregate fruit purplish black; subglobose; 6–10 mm in diam.; glabrous; pyrenes coarsely rugose. Fl. Jul–Aug; fr. Sep–Oct. 2n = 42*; 56*.
Broad-leaved forests; mixed forests in mountainous regions; Low to medium elevations. Anhui; Fujian; Guangdong; Guangxi; Guizhou; Hubei; Hunan; Jiangsu; Jiangxi; Sichuan; Taiwan; Yunnan; Zhejiang [Japan; Korea].