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6. Goniolimon Boissier in A. de Candolle, Prodr. 12: 632. 1848.
驼舌草属 tuo she cao shu
Herbs, perennial. Caudex thickened, ± woody, stems usually many from 1 crown near ground. Leaves crowded on caudex or on branch apices of caudex, in a rosette. Inflorescences usually 1 or 2 from rosette, axillary, 1--3-times branched; spikes on apical part or at apex of rachis branches, composed of 2--13 or more spikelets arranged distichously; spikelet 2--5-flowered; bracts and first bractlet with a membranous margin wider than herbaceous parts, apex rigidly and thickly cuspidate; first bractlet shorter than bracts. Calyx funnelform; tube upright or basally oblique, indistinctly herbaceous along ribs, scarious between ribs; limb white, dry membranous, expanded, apically 5- or 10-lobed. Corolla basally fused, apically free and expanded. Stamens adnate to base of corolla. Ovary oblong to ovoid-oblong, apex acute. Styles 5, free, basal half papillate; stigmas depressed capitate. Capsules oblong to ovoid-oblong.
About 20 species: N Africa, Asia, Europe; four species in China.
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| 1 |
Spikes compactly crowded into 1 or more capitate or conical inflorescences; calyx lobes often irregularly dentate |
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4 Goniolimon eximium |
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Spikes loosely arranged, never crowded into a terminal capitate inflorescence; calyx lobes entire. |
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(2) |
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| 2 (1) |
Bracts 3--5 mm; spikelets loosely arranged, ± distinct from each other |
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3 Goniolimon callicomum |
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Bracts 7--8 mm; spikelets densely arranged, at least near each other. |
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(3) |
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| 3 (2) |
Leaf blade 2.5--6 cm; petiole with a conspicuous wide green margin; branches of rachis distinctly 2- or 3-edged or narrowly-winged |
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1 Goniolimon speciosum |
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Leaf blade 10--20 cm; petiole without a green margin; branches of rachis terete or slightly compressed, obtusely angled, without wings or edges |
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2 Goniolimon dschungaricum |
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Lower Taxa
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