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

19. Croton merrillianus Croizat, J. Arnold Arbor. 21: 498. 1940.

厚叶巴豆 hou ye ba dou

Shrubs 1.5-3 m tall; indumentum dense, stellate-tomentose; branches glabrescent. Leaves clustered at stem apex; stipules linear, 5-8 mm; petiole 1-6 cm; leaf blade narrowly elliptic or oblong-elliptic, 11-20(-32) × 3-6(-11) cm, thickly papery, adaxially glabrous, base rounded to slightly cordate, base of midrib with stalked glands, margin entire, revolute when dry, apex acute to acuminate; lateral veins 8-12, arcuately ascending, anastomosing before margins. Inflorescence terminal, base with several female flowers. Male flowers: sepals ovate, ca. 2 mm, stellate-hairy outside, glabrous inside; petals oblong, glabrous outside, woolly inside; stamens ca. 16; filaments white pubescent. Female flowers: sepals elliptic, 6-7 × 2-3 mm, stellate-hairy outside, glabrous inside, accrescent to 1 cm; petals filamentous, ca. 1.2 mm; ovary subglobose, densely pubescent; styles 3, bipartite. Capsules subglobose, ca. 1 cm in diam., densely stellate-hairy. Seeds ellipsoidal, ca. 7 mm. Fl. Jan-Oct, fr. Apr-Dec.

● Dense forests; 200-700 m. W Guangxi, SW Hainan.


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