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61. Ziziphora Linnaeus, Sp. Pl. 1: 21. 1753.
新塔花属 xin ta hua shu
Plants annual or perennial, herbaceous or subshrubby. Leaves short petiolate or subsessile; leaf blade abaxially glandular. Verticillasters scattered in leaf axils or crowded in a terminal capitulum; floral leaves as large as stem leaves or reduced. Calyx narrowly cylindric, straight to slightly curved, 13-veined, villous annulate at throat, obscurely 2-lipped, upper lip 3-toothed, lower lip 2-toothed; teeth subequal, close together, rarely divergent following anthesis. Corolla limb 2-lipped; upper lip straight, margin entire, apex emarginate; lower lip spreading, 3-lobed, middle lobe narrower than suborbicular lateral lobes, apex emarginate. Anterior stamens fertile, reaching upper corolla lip, posterior stamens rudimentary, short, or absent; anther cells linear, 2 or only 1 developed, the other reduced to an appendage or absent. Style apex unequally 2-cleft, posterior lobe short. Nutlets ovoid, smooth.
About 25-30 species: Africa, Asia, Europe; four species in China.
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| 1 |
Annual herbs; verticillasters mostly axillary, not crowded in a capitulum |
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4 Ziziphora tenuior |
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Perennial subshrubs; verticillasters crowded in a terminal capitulum. |
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(2) |
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| 2 (1) |
Calyx with dense short hairs less than 1/2 as long as calyx width |
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3 Ziziphora bungeana |
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Calyx with dense long hairs nearly as long as to longer than calyx width. |
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(3) |
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| 3 (2) |
Capitulum mostly semiglobose to subglobose, less than 2 cm in diam.; pedicels ca. 1.5 mm; calyx dark purple, densely hairy |
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2 Ziziphora tomentosa |
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Capitulum mostly globose, 1.2-2.8 cm in diam.; pedicels short; calyx green or purplish, sparsely hairy |
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1 Ziziphora pamiroalaica |
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Lower Taxa
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