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FOC | Family List | FOC Vol. 12 | Theaceae | Adinandra

17. Adinandra pingbianensis L. K. Ling, Fl. Reipubl. Popularis Sin. 50(1): 188. 1998.

屏边杨桐 ping bian yang tong

Trees 12-25 m tall. Current year branchlets reddish brown, sparsely appressed pubescent or glabrescent; terminal buds densely tawny sericeous. Petiole 1-1.2 cm, subglabrous; leaf blade obovate-elliptic to oblong-elliptic, 8-12.5 × 2.7-3.8 cm, leathery, abaxially pale green, sparsely appressed pubescent particularly along midvein, glabrescent, and sparsely reddish brown glandular punctate, adaxially green and glabrous, midvein abaxially elevated and adaxially impressed, secondary veins 12-14 on each side of midvein, abaxially slightly visible, and adaxially obscure, base cuneate, margin serrulate, apex abruptly shortly acuminate to shortly caudate. Flowers axillary, 2 or 3 in a cluster. Pedicel 6-8 mm, ascending to rarely slightly recurved, sparsely pubescent; bracteoles caducous. Sepals ovate, ca. 1.5 × 1.5 mm, outside sparsely pubescent or glabrescent, margin ciliolate, apex rounded and mucronate. Petals white, oblong to obovate-oblong, ca. 8 × 4 mm, outside glabrous, apex rounded. Stamens 17-20, 4-6 mm; filaments 2.5-4.5 mm, almost distinct, basally glabrous, apical 1/2 with dense filiform trichomes; anthers ovoid, ca. 1 mm, with filiform trichomes, connective exserted. Ovary ovoid, glabrous, 3- or 4-loculed with many ovules per locule; style 3-4 mm, glabrous, apically 3- or 4-lobed. Immature fruit ovoid, ca. 5 mm in diam., with 7-10 seeds, glabrous. Seeds brown, shiny. Fl. Apr-May.

● Forests on mountain slopes; 1200-1300 m. Yunnan (Jinping, Pingbian).


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