Difference between revisions of "Gentiana andrewsii var. dakotica"
Bot. GaZ. 56: 68. 1913.
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|genus=Gentiana | |genus=Gentiana | ||
|species=Gentiana andrewsii | |species=Gentiana andrewsii | ||
Latest revision as of 13:16, 24 November 2024
Stems glabrous or rarely puberulent. Leaf widths usually in narrower part of range for species. Corolla lobes triangular or ± rounded, usually 1–2(–3) mm but still exceeded by plicae.
Phenology: Flowering late summer–fall.
Habitat: Mesic to wet prairies, savannas, calcareous soils.
Elevation: 100–1200 m.
Distribution
Man., Sask., Ill., Iowa, Minn., Mo., Nebr., N.Dak., S.Dak., Wis.
Discussion
Variety dakotica, which largely replaces var. andrewsii westward, may be derived from introgressive hybridization with Gentiana puberulenta. It differs from G. clausa in that the corolla lobes do not conceal the plicae in the intact corolla, as well as in the shape and orientation of the calyx lobes and in the length and shape of the free portions of the corolla plicae. Similar plants in the Ohio Valley are derived from G. andrewsii × G. saponaria. Other reports from outside the range given here are probably derived from various hybrid combinations (studies for this flora).
Selected References
None.