生活型

herb

形態特徵

• Perennial herb; stem prostrate to ascending, glabrous; stipules triangular-cuspidate, 0.2-0.5 mm long, glabrous.
• Leaves subcoriaceous, rounded-ovate to obovate, 3–11 mm long, 3–9 mm wide, obtuse to rounded at apex, obliquely subcordate at base, serrulate at margin or only near apex, glabrous on both surfaces; petioles 1–1.7 mm long, glabrous.
• Cyathia solitary or together with a pedunculate cyme at a node, or sometimes in cyme with leaf-like bracts; involucres urceolate-turbinate, 0.7–1.1 mm long, glabrous outside and inside; stalks 1.6–7.4 mm long; glands 4, yellow-green, transversely elliptic or oblong, 0.3-0.7 mm long; appendages white, reniform, entire to subundulate, 0.4-0.8 mm long, 0.2-0.5 mm wide; bracteoles linear or linear-oblong, laciniate-lacerate at margin, or acicular. Male flowers 20–30, anthers yellow. Female flowers with glabrous pedicel and ovary, style and stigma 0.3-0.7 mm long.
• Capsules 1.6–2.2 mm long, 1.7–2.3 mm diam., exserted, nutant, glabrous, the pedicels to 3.7 mm long; seeds grayish, brownish or reddish, tetragonal, ovoid, transversely rugose, 1–1.2 mm long, 0.8–1 mm diam.

分布

• 台灣 : Endemic to the Oluanpi Peninsula, the southernmost tip of Taiwan. It grows on coral reefs, sandy areas and grasslands along the coast.

引證標本

PINGTUNG: Oluanpi, Hayata s. n. 1912 (Type of Euphorbia garanbiensis, TI!); Longkeng, Lin 434.

引用文獻

• HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 3: 433-436. .  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)