Gentiana campestris
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Gentiana campestris. Linn. A low slender annual with erect st. 2-6 in. tall: Ivs. sessile, ovate-lanceolate, 3-5- nerved: fls. dark purplish blue, short-pedicellcd, but in various kinds of clusters; calyx 4-cut; corolla nearly bowl-shaped, crowned; anthers free; style none. Eu.