Houstonia caerulea Linnaeus. Quaker Ladies, Innocence, Common Bluet, Pissabed. Phen: (Late Jan-) Apr-Jul; May-Aug. Hab: Forests, woodlands, openings, lawns, a wide variety of disturbed sites. Dist: ME, ON, and WI south to s. GA, s. AL, w. LA, and OK.
ID notes:The flowers of this species and Houstonia serpyllifolia are very similar; H. caerulea is a somewhat duller blue.
Origin/Endemic status: Native
Synonymy: = Ar, G, Il, Mi, NY, Pa, RAB, S, Tat, Tn, Va, W, WV, Terrell (1991), Terrell (1996); = Hedyotis caerulea (L.) Hook. – C, GW2; = Houstonia caerulea L. var. caerulea – F, Pease & Moore (1907); < Hedyotis caerulea (L.) Hook. – Rogers (1987); < Houstonia caerulea L. – K1, K3, K4, NE
Wetland Indicator Status:
Heliophily: 6
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