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7. Xantolis Rafinesque, Sylva Tellur. 36. 1838.
刺榄属 ci lan shu
Trees or shrubs, usually spiny. Leaves alternate, sometimes closely clustered at end of branchlets; not stipulate. Flowers axillary, solitary or fascicled, 5-merous; bracts small. Calyx short tubular, sepals usually lanceolate, persistent. Corolla lobes longer than tube, inside with hairs. Stamens usually inserted at base of corolla lobes; filaments usually with a cluster of rust colored villous hairs on each side, rarely on one side or at base; anthers sagittate with long connective; staminodes petal-like, margins fimbriate, rarely dentate or entire, apex usually long awned. Ovary (4- or)5-locular, densely hirsute. Style longer than corolla. Fruit drupaceous, 1- or 2(or 3)-seeded. Seeds compressed, ellipsoid to subglobose; seed coat crusty, scar ovate to linear, 2/3 as long to as long as seed or small and rounded.
About 14 species: Cambodia, India, Laos, Myanmar, Philippines, Thailand, and Vietnam; four species in China.
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| 1 |
Seed ± globose, 7--8 mm in diam.; leaves 2--4 cm, lateral veins numerous, not very conspicuous |
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3 Xantolis longispinosa |
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Seed oblong to ellipsoid, 18--30 mm long; leaves 5--15 cm, lateral veins few, conspicuous. |
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(2) |
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| 2 (1) |
Corolla pale yellow, lobes fimbriate at base; sepals 3--4 X 2.5--4 mm, with yellowish brown hairs on inside; seeds ca. 18 mm |
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4 Xantolis shweliensis |
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Corolla white, lobes entire; sepals 4--6 X 1.5--3 mm, with gray or white hairs on inside; seeds 20--30 mm. |
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(3) |
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| 3 (2) |
Leaf blade lanceolate to oblanceolate, lateral veins 13--17 pairs; corolla lobes lanceolate; ovary with dense reddish-brown hairs |
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1 Xantolis stenosepala |
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Leaf blade ovate to obovate, lateral veins 9--13 pairs; corolla lobes rounded; ovary with silky white hairs |
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2 Xantolis boniana var. rostrata |
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Lower Taxa
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Treatments in Other Floras @ www.efloras.org
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