APOCYNACEAE

Amsonia illustris Woodson. Ozark Bluestar, Shining Bluestar. Phen: Apr-Jun. Hab: Gravel bars along streams, glades and upland woodlands. Dist: MO and KS south to AR, OK, and TX. Reported for the Coastal Plain of KY, plausible as native there, but perhaps introduced.

Origin/Endemic status: Native

Syn: = Ar, C, F, GrPl, K2, Mo2, NY, Ok, Tx, Woodson (1929), Woodson (1938); = Amsonia tabernaemontana Walter var. illustris (Woodson) J.K.Williams – Williams (2019a); < Amsonia tabernaemontana Walter var. gattingeri Woodson – Woodson (1928); < Amsonia tabernaemontana Walter var. salicifolia – K3

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