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30. Beaumontia Wallich, Tent. Fl. Napal. 14. 1824.
清明花属 qing ming hua shu
Lianas woody, robust, with latex. Leaves opposite, usually with petiolar glands. Inflorescences terminal or axillary cymes; bracteoles leafy, large. Flowers large, fragrant. Sepals free, bearing many basal glands inside; lobes leafy, large. Corolla white, funnelform, tube short or long, limb widely campanulate, throat not scaly, lobes overlapping to right. Stamens inserted at distal narrow portion of corolla tube; filaments arcuate, long, thickened distally; anthers sagittate, usually exserted, connivent, adherent to pistil head, cells spurred at base; disc ringlike, shallowly 5-lobed. Ovaries 2, connate, surrounded by disc; ovules numerous in each locule. Style long; pistil head fusiform. Follicles elongated, thick, hard. Seeds compressed, apex attenuate, coma silky; cotyledons leaflike or thick, radicle short.
Nine species: E and SE Asia, five species in China.
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| 1 |
Leaves densely pubescent abaxially; corolla tube 1-2.7 cm, lobes rounded at apex |
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1 Beaumontia khasiana |
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Leaves pubescent abaxially when young, glabrous or glabrescent when older; corolla tube 4-13 cm, lobes acute or short acuminate at apex. |
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(2) |
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| 2 (1) |
Corolla tube puberulent inside. |
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(3) |
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Corolla tube glabrous inside. |
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(4) |
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| 3 (2) |
Sepals broadly elliptic or obovate, 3.5-5.3 2-3.3 cm; corolla ca. 12 cm in diam. |
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2 Beaumontia brevituba |
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Sepals narrowly elliptic, 1.5-2.5 0.3-0.6 cm; corolla ca. 5 cm in diam. |
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3 Beaumontia pitardii |
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| 4 (2) |
Corolla funnelform, limb attenuate at base; stamens white, filaments 3.2-6 cm |
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4 Beaumontia grandiflora |
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Corolla broadly campanulate, limb abruptly constricted at base; stamens yellow or orange, filaments 1.5-2.5 cm |
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5 Beaumontia murtonii |
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Lower Taxa
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Treatments in Other Floras @ www.efloras.org
Other Databases
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