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8. Radermachera Zollinger & Moritzi in Zollinger, Syst. Verz. 3: 53. 1855.
菜豆树属 cai dou shu shu
Trees. Leaves opposite, 1-3-pinnately compound; leaflets entire, petiolate. Inflorescences paniculate or reduced almost to fascicles, terminal or lateral; bracts and bractlets linear or leaflike. Calyx campanulate, apex 5-lobed or truncate. Corolla funnelform-campanulate or salverform; tube short or long, limb slightly bilabiate; lobes rounded, spreading. Stamens 4(or 5), didynamous or subequal; staminode usually present. Disc annular, slightly fleshy. Ovary terete; ovules numerous, 2-rowed in each locule. Style included; stigma ligulate, 2-lobed. Capsule dehiscing loculicidally, long, terete, 2-angular; septum compressed, woody. Seeds compressed, transparent membranous winged at both ends.
About 16 species: tropical Asia; seven species in China.
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| 1 |
Leaves 1-pinnately compound. |
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(2) |
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Leaves 2- or 3-pinnately compound. |
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(3) |
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| 2 (1) |
Calyx 3-5 X 3-5 mm; corolla pale yellow, ca. 3 cm; leaflets 4-6 cm wide |
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1 Radermachera microcalyx |
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Calyx ca. 8 mm; corolla white, ca. 3.7 cm; leaflets 7-9 cm wide |
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2 Radermachera glandulosa |
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| 3 (1) |
Fertile stamens 5 |
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3 Radermachera pentandra |
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Fertile stamens 4. |
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(5) |
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| 5 (3) |
Capsule woody, densely white lenticellate |
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4 Radermachera yunnanensis |
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Capsule thick leathery, without lenticels. |
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(6) |
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| 6 (5) |
Petioles, leaf rachis, and inflorescences pubescent |
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6 Radermachera frondosa |
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Petioles, leaf rachis, and inflorescences glabrous. |
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(7) |
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| 7 (6) |
Corolla 6-8 cm, white to pale yellow; capsule ca. 85 X 1 cm |
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5 Radermachera sinica |
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Corolla 3.5-5 cm, golden yellow; capsule ca. 40 X 0.5 cm |
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7 Radermachera hainanensis |
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Lower Taxa
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Treatments in Other Floras @ www.efloras.org
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