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Gentiana autumnalis Linnaeus. Pinebarren Gentian. Hab: Longleaf pine savannas, pine flatwoods, sandhills, pine barrens, in a variety of sites varying from moist to very xeric, in se. VA, NC, and SC nearly always associated with Pinus palustris and/or Aristida stricta.

Origin/Endemic status: Endemic

Other Comments: Late Sep-mid Jan (rarely at other times of the year, such as spring, in response to fire). This species is a "bimodal endemic", occurring in s. NJ and adjacent DE (at least formerly), and from se. VA south through e. NC to nc. SC. The related G. pennelliana Fernald (sometimes reduced to a subspecies of G. autumnalis) is endemic to the FL Panhandle; other siblings, G. bicuspidata (G. Don) Briquet, G. hooperi Pringle, and G. longicollis Nesom, occur in Mexico. G. autumnalis is often overlooked, since it is very inconspicuous except when in flower, it usually flowers at a season when few botanists are about, and sterile plants greatly outnumber fertile ones. Vegetatively it is extremely distinctive once learned; the leaves are glossy, dark-green, opposite, oblanceolate to ‘oblinear’, and twisted and curved in a manner reminiscent of an airplane propeller.

Synonymy: = C, F, GW2, K1, K3, K4, RAB, Va, Ho & Liu (2001), Pringle (1967a); = Dasystephana porphyrio (J.F.Gmel.) Small – S; = Gentiana autumnalis L. ssp. autumnalis – Halda (1996); = Gentiana porphyrio J.F.Gmel. – G; = Pneumonanthe porphyrio (L.) Greene

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image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Keith Bradley | Original Image ⭷
image of plant© Jennifer Peterson | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷

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