Eastern Bluestar

Amsonia glaberrima Woodson, Bull. Torrey
Club 63: 36. 1936.
Stems 6-7 dm. tall, wholly glabrous; leaves alternate, firmly membranaceous, elliptic to broadly oblong-elliptic, 5-7 cm. long, 1.5-2.4 cm. broad, acutely acuminate, broadly acute to obtuse at the base, wholly glabrous, opaque on both sides, the petioles 2-4 mm. long; inflorescence rather diffuse, scarcely surpassing the foliage, bearing several to numerous, medium-sized, azure flowers; pedicels 3-4 mm. long, glabrous; calyx-lobes ovate-triangular, acute, about 1.5 mm. long, glabrous; corolla wholly glabrous externally, the tube 6.5-7 mm. long, about 1 mm. in diameter at the base, somewhat dilated above the insertion of the stamens, not constricted at the orifice, the lobes 6-7 mm. long, glabrous, somewhat spreading; follicles relatively slender, continuous, 8-10 cm. long, glabrous.
Type locality: Welsh, Jeff Davis Parish, I^ouisiana. Distribution: Central Louisiana.