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FOC | Family List | FOC Vol. 11 | Euphorbiaceae | Excoecaria

4. Excoecaria kawakamii Hayata, Icon. Pl. Formos. 3: 173. 1913.

兰屿土沉香 lan yu tu chen xiang

Shrubs; branches robust, glabrous. Leaves subleathery, alternate, usually fascicled at apex of branchlets; stipules caducous; petioles robust, flattened, 1-1.5 cm, eglandular at apex; leaf blade oblanceolate or obovate-oblong, 9-18 × 2.5-3.5 cm, glabrous, base cuneate or attenuate, margin entire, apex obtuse; midvein flat adaxially, elevated abaxially, lateral veins many, almost at a right angle to midvein. Flowers unisexual, monoecious and androgynous or dioecious in alternate fascicled racemes; inflorescences 7-10 cm, male in upper part, female in lower part. Male flowers: bracts broadly ovate, ca. 2 × 2 mm, base with 2 glands, margin praemorse, each bract with 1 flower; pedicels ca. 0.5 mm, glabrous; sepals 3, broadly ovate or ovate-triangular, ca. 1.4 × 1 mm, margins sparsely serrulate; stamens 3; anthers reniform, mucronate at apex. Female flowers: each bract with 1 flower; pedicels ca. 1 mm; sepals 3, cordate, ca. 1.5 × 1.5 mm, margins sparsely serrulate; ovary ovate, ca. 1.5 mm; style 3-lobed, recurved. Capsules not seen. Fl. Feb.

● Sparse or dense forests. Taiwan (Huoshao Dao, Lan Yu).


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