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65. Excoecaria Linnaeus, Syst. Nat., ed. 10. 2: 1288. 1759.
海漆属 hai qi shu
Authors: Bingtao Li & Hans-Joachim (Hajo) Esser
Commia Loureiro.
Trees or shrubs, with milky juice, glabrous. Leaves alternate or opposite, petiolate; stipules small, caducous; leaf blade entire or serrulate, penninerved. Flowers unisexual (plants monoecious or dioecious), apetalous, without disk, in axillary or terminal racemelike thyrses. Male flowers (sub)sessile; sepals 3, small, imbricate, free; stamens 3; filaments free; anthers longitudinally dehiscent, without pistillode. Female flowers sessile to pedicellate; calyx 3-lobed or 3-partite; ovary 3-celled, smooth; ovules 1 per locule; stigmas extended or recurved, free to slightly connate at base, undivided, eglandular. Capsules dehiscent into 2-valved cocci; columella persistent, winged. Seeds globose, estrophiolate; episperm crustaceous; endosperm fleshy; cotyledon broad and flattened.
About 35 species: Africa, Asia, Australia, Pacific islands; five species (two endemic) in China.
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| 1 |
Leaves opposite above, alternate on lower parts |
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(2) |
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Leaves alternate on all parts |
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(4) |
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| 2 (1) |
Leaf blade purple or dark red abaxially |
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1 E. cochinchinensis |
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Leaf blade green or greenish abaxially when old |
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(3) |
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| 3 (2) |
Leaf blade ca. 3 × as long as wide, apex acuminate, not falcate, petiole 3-13 mm. |
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1 E. cochinchinensis |
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Leaf blade more than 5 × as long as wide, apex acuminate-falcate, petiole 3-5 mm. |
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2 E. venenata |
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| 4 (1) |
Leaf blade serrulate; male bracts 2- or 3-flowered. |
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5 E. acerifolia |
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Leaf blade entire or nearly so; male bracts 1-flowered |
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(5) |
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| 5 (4) |
Petioles 2-glandular at apex; plants dioecious. |
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3 E. agallocha |
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Petioles not glandular at apex; plants monoecious. |
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4 E. kawakamii |
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Lower Taxa
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