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FOC | Family List | FOC Vol. 16 | Gentianaceae

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.

1 Calyx lobes usually with inner lobe shorter than outer; stem leaf blades linear to narrowly lanceolate.   (2)
+ Calyx lobes equal or subequal in length; stem leaf blades lanceolate, elliptic-lanceolate, ovate-lanceolate, triangular-lanceolate, elliptic, or oblong.   (3)
2 (1) Flowers 5-10 cm; corolla lobes 2-3 × 1-1.5 cm; stem leaf margin slightly revolute, not ciliolate   4 Gentianopsis grandis
+ Flowers 2.5-5 cm; corolla lobes 0.6-1.2 × 0.6-0.8 cm; stem leaf margin not revolute, slightly ciliolate   5 Gentianopsis barbata
3 (1) Calyx ca. 1/2 as long as corolla; corolla lobes basally laciniate-fringed   1 Gentianopsis paludosa
+ Calyx ca. 2/3 as long as corolla; corolla lobes not fringed.   (4)
4 (3) Corolla blue; stem leaf blades elliptic to ovate-elliptic, base cuneate   2 Gentianopsis contorta
+ Corolla yellow; stem leaf blades oblong, base subamplexicaul   3 Gentianopsis lutea

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