Centaurium erythraea Rafn
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Gentianaceae
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Scientific Name
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Description
Species Description - Erect biennial, 2–5 dm, branched above; cauline lvs lanceolate to oblong or narrowly elliptic, sessile, 2–4 cm; basal lvs smaller, petioled, forming a rosette; cymes terminating the stem and branches, trichotomously forked, corymbiform, each node bearing a pair of small linear bracts, a central fl, and 2 lateral branches; fls sessile, rose-purple; cal 3.5–5 mm; cor-tube 6–8 mm, the lobes elliptic, 5–6 mm; 2n mostly = 40. Native of Eur. and w. Asia, intr. in waste places here and there in the n. part of our range. June–Sept. (C. centaurium; C. umbellatum)
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Common Names
forking centaury