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148. Glycyrrhiza Linnaeus, Sp. Pl. 2: 741. 1753.
甘草属 gan cao shu
Authors: Bojian Bao & Kai Larsen
Liquiritia Medikus.
Subshrubs or perennial herbs. Roots and rhizomes very developed. Stem erect, much branched. Leaves imparipinnate, (3 or)5-17-foliolate; stipules 2, free, caducous or persistent; leaflets entire or serrulate. Racemes axillary; bracts caducous. Calyx campanulate or cylindric, 5-toothed, slightly bilabiate. Corolla white, yellow, purple, or purple-red; standard shortly clawed; wings shorter than standard, obliquely oblong; keels joined. Stamens diadelphous or monadelphous. Ovary sessile, 2-10-ovuled. Legume ovoid, oblong, or linear, rarely moniliform, straight or curved, flat or inflated, prickly or rarely smooth, indehiscent or dehiscent. Seeds reniform or orbicular.
About 20 species: mainly in Asia and Europe, extending to Australia, and in North and South America; eight species (two endemic) in China.
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| 1 |
Legume orbicular, reniform, or ovoid, yellow spiny or tuberculate, with 2 seeds; leaflets lanceolate to oblong, margin spiny-serrulate |
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(2) |
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Legume linear, oblong, or orbicular, scaly glandular punctate, glandular hairy, or smooth, rarely tuberculate, with 2-8 seeds; leaflets elliptic, oblong, or ovate, rarely lanceolate |
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(4) |
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| 2 (1) |
Legume tuberculate; racemes not globose; leaflets retuse or obtuse at apex. |
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8 G. squamulosa |
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Legume rigidly spiny; racemes globose or oblong; leaflets acuminate at apex |
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(3) |
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| 3 (2) |
Racemes oblong or globose; legume abruptly acuminate at apex, sparsely rigidly spiny. |
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6 G. pallidiflora |
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Racemes globose or subglobose; legume cuspidate at apex, densely rigidly spiny. |
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7 G. yunnanensis |
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| 4 (1) |
Legume moniliform, smooth. |
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5 G. aspera |
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Legume not moniliform, scaly glandular punctate, glandular hairy, or tuberculate |
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(5) |
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| 5 (4) |
Legume zigzag. |
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3 G. eglandulosa |
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Legume not zigzag |
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(6) |
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| 6 (5) |
Legume linear, falcate or curved into a ring. |
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1 G. uralensis |
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Legume oblong, straight or slightly curved |
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(7) |
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| 7 (6) |
Leaflets 3-7(-9); calyx with upper 2 teeth joined to 1/2 from base. |
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2 G. inflata |
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Leaflets 11-17; calyx with upper 2 teeth mostly joined. |
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4 G. glabra |
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Lower Taxa
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