Slender, erect, 2–5 dm, rarely branched; lvs linear or narrowly oblanceolate, 2–7 cm × 1–5(–8) mm, narrowed to the base; fls solitary and terminal on the stem (and branches, if any), the peduncle to 3 cm; cal-lobes linear, 10–25 mm, not ciliate; cor blue, spotted with bronze-green inside the tube, the loosely spreading lobes ovate or elliptic, obtuse, their free portion (beyond the fimbriate plaits) 10–15 mm; anthers separate; 2n=26. Moist pine-barrens on the coastal plain, locally from N.J. to S.C. Sept., Oct. (G. porphyrio)
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