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FOC | Family List | FOC Vol. 16 | Gentianaceae

5. Gentiana Sect. Pneumonanthe Gaudin, Fl. Helv. 2: 269. 1828.

龙胆草组 long dan cao zu

Perennials. Rhizomes horizontal to vertical, short, thick, ± fleshy. Stems branching sympodially, with 1 to few erect simple flowering stems but nonflowering basal rosette usually absent. Lowermost stem leaves scalelike. Bracts 2 per flower, well developed. Capsules broadly ellipsoid. Seeds linear to fusiform, winged at both ends; seed coat coarsely reticulate.

Thirty-eight species: North America, Asia, Europe; four species in China.

1 Leaf margin and veins on abaxial surface slightly rough   76 Gentiana scabra
+ Leaf margin and veins smooth.   (2)
2 (1) Flowers solitary (or 2) and terminal (flowers occasionally also solitary in axils of upper leaves); corolla lobes acuminate; stamens inserted at basal part of corolla tube   79 Gentiana manshurica
+ Flowers (1-3 to) many in axillary or terminal clusters; corolla lobes obtuse to rounded; stamens inserted at middle of corolla tube.   (3)
3 (2) Bracts ovate-lanceolate, 2-3 cm; calyx tube 1.4-1.6 cm   77 Gentiana uchiyamae
+ Bracts linear-lanceolate to lanceolate, 0.8-1.2 cm; calyx tube 0.8-1.2 cm   78 Gentiana triflora

Lower Taxa


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