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Published In: Flora Boreali-Americana (Hooker) 2(8): 55–56. 1837. (Fl. Bor.-Amer.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 8/18/2017)
Acceptance : Accepted
Project Data     (Last Modified On 7/9/2009)
Status: Native


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2. Gentiana andrewsii Griseb. (closed gentian, bottle gentian)

Gentiana clausa Raf., misapplied

Pl. 419 a–c; Map 1872

Stems (20–)30–70 cm long, erect or nearly so, glabrous. Leaves with minutely ciliate margins, lanceolate to lanceolate-ovate, 2.0–8.5 cm long, sometimes reduced to scales near stem bases. Calyces 14–25(–29) mm long, the lobes lanceolate to lanceolate-ovate, usually shorter than the tube. Corollas blue to bluish violet, closed at maturity, tubular, 2.8–4.0 cm long. Free portion of the corolla lobes shallowly triangular or reduced to a minute point, erect to somewhat incurved, 0.5–3.0 mm long, shorter than the finely toothed or fringed appendages. Anthers partially fused together. 2n=26. August–October.

Scattered nearly throughout the state (northeastern U.S. west to North Dakota, Nebraska, and Missouri; Canada). Upland prairies, glades, and openings of mesic upland forests.

See the treatment of G. alba for a discussion of the hybrid with that species. Two varieties of G. andrewsii have been accepted (Pringle, 1967); both are present in Missouri.



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