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17. Lophanthus Adanson, Fam. Pl. 2: 194. 1763.
扭藿香属 niu huo xiang shu
Herbs perennial. Stem leaves short petiolate to sessile, dentate or incised-toothed. Cymes axillary; bracts small, linear-lanceolate to linear, rarely lanceolate. Calyx tubular to tubular-campanulate, straight or ± incurved, apex regular or oblique; teeth 5, subequal, ± 2-lipped [or not], (12-)15-veined, pilose annulate inside. Corolla straight or incurved; tube exserted, gradually dilated upward, twisted; limb 2-lipped, twisted at 90-180° so that position of lips is ± reversed; upper lip (true lower) 3-lobed, middle lobe largest; lower lip (true upper) 2-lobed. Stamens 4, exserted or included; anther cells parallel or almost not divergent. Style exserted, rarely included, apex equally or subequally 2-cleft. Nutlets brown, oblong-ovoid, slightly flattened, smooth.
Eighteen species: Kazakhstan, Kyrgyzstan, Mongolia, Russia, SW Asia; four species in China.
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| 1 |
Leaves sessile, irregularly incised or dentate |
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4 Lophanthus tibeticus |
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Leaves ± petiolate, crenate. |
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(2) |
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| 2 (1) |
Calyx 2-lipped, upper lip longer, teeth lanceolate to ovate-lanceolate; peduncle to 1.5 cm |
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3 Lophanthus schrenkii |
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Calyx teeth subequal, ovate to narrowly ovate. |
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(3) |
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| 3 (2) |
Calyx tubular-campanulate, with ovate teeth; peduncle more than 5 mm, basal peduncles to 1 cm |
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1 Lophanthus chinensis |
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Calyx tubular, slightly dilated at limb, with narrow teeth; peduncle less than 5 mm |
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2 Lophanthus krylovii |
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Lower Taxa
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