18. Euphorbia hsinchuensis (S. C. Lin & S. M. Chaw) C. Y. Wu & J. S. Ma, Acta Bot. Yunnan. 15: 115. 1993.
新竹地锦 xin zhu di jin
Chamaesyce hsinchuensis S. C. Lin & S. M. Chaw, Bot. Bull. Acad. Sin. 32: 238. 1991.
Herbs, perennial, 15-20 cm tall. Rootstock woody. Stems many from base, prostrate or ascending, light red, glabrous or sparsely pilose on upper side. Leaves opposite; stipules triangular, free on upper side, connate on lower, 0.6-1.3 mm, pilose; petiole 0.5-0.8 mm, light red, pubescent; leaf blade ovate, obovate, or long ovate, 2-7 × 1-3.5 mm, adaxially often with scattered purple spots, sparsely pilose abaxially, base obliquely rounded, margin serrulate, apex obtuse or rounded. Cyathia single, peduncle 0.3-0.8 mm; involucre ca. 1 × 0.6 mm, pilose, marginal lobes 5, rounded, apex lacerate; glands 4, red, rounded or elliptic, slightly sunken in center, appendages white to red, longer and wider than glands, to 0.5 × 0.3 mm, margin entire to undulate. Male flowers 5-15, exserted from involucre; anthers red. Female flower ± exserted from involucre; ovary pilose; styles free; stigma 2-lobed. Capsule ovoid-globose, 1.4-1.8 × 1.5-1.8 mm, smooth, sparsely pilose; fruiting pedicel 0.8-1.3 mm. Seeds ovoid-tetragonal, ca. 1 × 0.7 mm, light red, sides transversely furrowed; caruncle absent. Fl. and fr. Jul-Sep.
● Seashores, riverbanks. Taiwan (Xinzhu).
Euphorbia hsinchuensis seems to be rather similar to E. hispida.