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17. Gentianopsis Ma, Acta Phytotax. Sin. 1(1): 7. 1951.
扁蕾属 bian lei shu
Crossopetalum Roth; Gentiana sect. Crossopetalae Froelich ex Grisebach; Gentiana subgen. Eublephis Rafinesque.
Herbs annual, biennial [or perennial]. Roots slender, fibrous. Stems subquadrangular. Flowers terminal, solitary, 4-merous; flower bud slightly flattened, 4-angled. Calyx tubular-campanulate, with triangular discontinuous intracalycular membranes, 2 outer calyx lobes narrower than and basally overlapping 2 inner lobes. Corolla tubular-campanulate to funnelform, lobes frequently toothed to fringed, plicae absent. Nectaries on corolla tube. Stamens inserted on corolla tube; anthers yellow. Capsules 2-valved, many seeded. Seeds angular-papillate.
Twenty-four species: North America, Asia, Europe; five species in China.
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| 1 |
Calyx lobes usually with inner lobe shorter than outer; stem leaf blades linear to narrowly lanceolate. |
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(2) |
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Calyx lobes equal or subequal in length; stem leaf blades lanceolate, elliptic-lanceolate, ovate-lanceolate, triangular-lanceolate, elliptic, or oblong. |
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(3) |
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| 2 (1) |
Flowers 5-10 cm; corolla lobes 2-3 × 1-1.5 cm; stem leaf margin slightly revolute, not ciliolate |
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4 Gentianopsis grandis |
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Flowers 2.5-5 cm; corolla lobes 0.6-1.2 × 0.6-0.8 cm; stem leaf margin not revolute, slightly ciliolate |
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5 Gentianopsis barbata |
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| 3 (1) |
Calyx ca. 1/2 as long as corolla; corolla lobes basally laciniate-fringed |
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1 Gentianopsis paludosa |
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Calyx ca. 2/3 as long as corolla; corolla lobes not fringed. |
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(4) |
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| 4 (3) |
Corolla blue; stem leaf blades elliptic to ovate-elliptic, base cuneate |
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2 Gentianopsis contorta |
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Corolla yellow; stem leaf blades oblong, base subamplexicaul |
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3 Gentianopsis lutea |
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List of lower taxa
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Treatments in Other Floras @ www.efloras.org
Other Databases
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