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29. Wrightia R. Brown, Mem. Wern. Nat. Hist. Soc. 1: 73. 1811.
倒吊笔属 dao diao bi shu
Trees or shrubs with latex. Leaves opposite, petiolate; glands axillary. Cymes terminal or subterminal, dichasial, few to many flowered. Sepals quincuncial, with 5-10, basal, scalelike glands inside. Corolla salverform, funnelform, subrotate, or rotate, tube cylindric to campanulate; lobes overlapping to left; corona ligulate, fringed, or cup-shaped, entire or subentire at apex, shallowly or deeply divided, sometimes absent. Stamens inserted at middle, apex, or rarely base of corolla tube; anthers sagittate, connivent and adherent to pistil head, exserted, spurred at base; disc absent. Ovaries 2, distinct or connate; ovules numerous in each locule. Style filiform; pistil head ovoid, usually dilated at base. Follicles 2, connate or divaricate. Seeds narrowly fusiform, with an apical coma directed toward fruit base, beakless.
About 23 species: tropical Africa, Asia, Australia; six species in China.
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| 1 |
Shrubs; corona obsolete; seeds (excluding coma) ca. 0.8 cm |
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6 Wrightia religiosa |
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Trees; corona scales present; seeds (excluding coma) 1-2 cm. |
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(2) |
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| 2 (1) |
Leaves densely pubescent or tomentose abaxially. |
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(3) |
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Leaves glabrous or minutely pubescent abaxially along veins. |
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(4) |
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| 3 (2) |
Corona lobes much shorter than stamens, glabrous inside; fruit lenticellate, usually glabrous |
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1 Wrightia arborea |
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Corona lobes about as long as stamens, puberulent inside; fruit not lenticellate, usually minutely puberulent |
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2 Wrightia pubescens |
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| 4 (2) |
Ovaries and fruit connate. |
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(5) |
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Ovaries and fruit distinct. |
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(6) |
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| 5 (4) |
Apex of leaf blade short acuminate; corona with 10 scales, longer than anthers |
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2 Wrightia pubescens |
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Apex of leaf blade caudate-acuminate; corona cup-shaped, shorter than anthers |
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3 Wrightia coccinea |
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| 6 (4) |
Corolla funnelform, white; corona with 25-35 scales |
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4 Wrightia laevis |
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Corolla rotate or subrotate, yellowish; corona with 10 scales |
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5 Wrightia sikkimensis |
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Lower Taxa
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Treatments in Other Floras @ www.efloras.org
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