Northern Prairie Wildlife Research Center


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Aquatic and Wetland Vascular Plants of the Northern Great Plains

Gentiana L. -- Gentian

Perennials with thick, fibrous roots. Flowers large, lavender to bluish-purple, usually greenish or yellowish-green and blue on the outside, clustered in the upper part of the plant, appearing axillary, each subtended by a pair of small bractlike leaves, 5-merous; calyx obconic to funnelform, the lobes unequal; corolla tubular to obconic, shallowly lobed, plicate between the lobes, the plicate membrane erose to toothed or lacerate at the summit, less than to slightly exceeding the lobes; stamens 5, the anthers sometimes fused around the ovary. Seeds flattened and winged with a pale margin.

Lead	Characteristic	Go To
1	Corolla lobes distinct, 2.5-6 mm long, the plicate membrane between the lobes toothed at the summit; stems puberulent on the decurrent leaf bases.	G. affinis
1	Corolla lobes low and indistinct, continuous with the erose plicate membrane; stems glabrous.	G. andrewsii

35. Gentianaceae, the Gentian Family

1. Gentiana L. -- Gentian

1. Gentiana affinis Griseb.

2. Gentiana andrewsii Griseb. -- Closed gentian

Return to Family -- Gentianaceae - The Gentian Family
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