Erythronium americanum Ker Gawler ssp. americanum . American Trout Lily. Phen: Feb-Apr (-May); Apr-May. Hab: Moist bottomland or slope forests, especially over mafic or calcareous rocks. Dist: NB west to ON and MN, south to sc. NC, c. TN, n. AR, and OK.
ID notes: Erythronium americanum is larger-flowered, more graceful, and later-blooming (by about 2 weeks) than E. umbilicatum ssp. umbilicatum, where they co-occur.
Origin/Endemic status: Native
Taxonomy Comments: E. americanum is a tetraploid (2n = 48); Parks & Hardin suggest the possibility that it is an allotetraploid involving E. rostratum and E. umbilicatum as parents.
Synonymy ⓘ: = FNA26, GW1, K1, K3, K4, Mo1, NE, NY, Va, Mathew (1992), Parks & Hardin (1963); < Erythronium americanum Ker Gawl. – C, F, G, Il, Mi, Pa, RAB, S, S13, Tat, Tn, W, WV
Heliophily ⓘ: 3
Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.
© Scott Ward | Original Image ⭷
© Scott Ward | Original Image ⭷
© Scott Ward | Original Image ⭷
© Edwin Bridges | Original Image ⭷
© Alan Weakley source | Original Image ⭷
© Scott Ward | Original Image ⭷
© Bruce A. Sorrie | Original Image ⭷
© Edwin Bridges | Original Image ⭷Feedback
See something wrong or missing on about Erythronium americanum ssp. americanum? Let us know here: (Please include your name and email if at all complicated so we can clarify if needed.) We greatly appreciate feedback, and will include updates from you in our next webapp update, which can take a few months.
Cite as...