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77. Keiskea Miquel, Ann. Mus. Bot. Lugduno-Batavi. 2: 105. 1865.
香简草属 xiang jian cao shu
Herbs or subshrubs. Leaves petiolate, dentate. Verticillasters 2-flowered, in terminal and axillary racemes; bracts persistent, somewhat lax or imbricate. Calyx campanulate, sparsely hairy, throat tufted hairy at each tooth sinus or pilose annulate; teeth 5, subequal or posterior tooth smaller. Corolla white, yellowish, or purple; tube funnelform to subcylindric, annulate; upper lip 2-lobed; middle lobe of lower lip flat; longer than circular lateral lobes. Stamens 4, exserted or rarely included, anterior 2 longer; filaments separate, glabrous, edentate; anther cells 2, divergent, apex confluent. Style filiform, apex 2-cleft; lobes subulate or ± linear, equal or unequal. Nutlets subglobose, glabrous.
About six species: China, Japan; five species in China.
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Bracts broadly ovate-orbicular, ± imbricate |
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1 Keiskea elsholtzioides |
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Bracts indistinct, loosely arranged. |
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(2) |
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| 2 (1) |
Leaves lanceolate to oblong-lanceolate, base attenuate to obtuse, usually asymmetrical |
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5 Keiskea szechuanensis |
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Leaves ovate to oblong. |
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(3) |
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| 3 (2) |
Corolla dark purple, ca. 11 mm; middle lobe of lower lip widest, densely white barbate inside, red glandular |
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3 Keiskea australis |
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Corolla white or purplish, 5-8 mm; middle lobe of lower lip smaller, sparsely bearded inside, glandular. |
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(4) |
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| 4 (3) |
Leaves ovate, 10-15 × 4-6.5 cm; stem finely retrorse pilose |
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2 Keiskea sinensis |
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Leaves ovate-oblong to oblong, 3.5-9 × 2.5-4 cm; stem white floccose-villous |
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4 Keiskea glandulosa |
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Lower Taxa
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