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Liliaceae
Erythronium

not marked as a favorite taxon Erythronium americanum Ker Gawler ssp. americanum. Common name: American Trout Lily. Phenology: Feb-Apr (-May); Apr-May. Habitat: Moist bottomland or slope forests, especially over mafic or calcareous rocks. Distribution: NB west to ON and MN, south to sc. NC, c. TN, n. AR, and OK. GA records are apparently sight-records and lack specimens (R. Oliver, pers. comm.; 2024).

Glossary (beta!)

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 ⓘ: = Can, FNA26, GW1, K4, Mo1, NE, NS, NY, POWO, Va, Mathew (1992), Parks & Hardin (1963); < Erythronium americanum Ker Gawl. — C, F, G, Il, Mi, Pa, RAB, S, S13, Tat, Tn, W, WV. Basionym: Erythronium americanum Ker Gawl. 1808

Links to other floras: = Erythronium americanum ssp. americanum - FNA26

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Heliophily ⓘ: 3

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image #1 of Erythronium americanum ssp. americanum© Scott Ward | Original Image ⭷
image #2 of Erythronium americanum ssp. americanum© Scott Ward | Original Image ⭷
image #3 of Erythronium americanum ssp. americanum© Scott Ward | Original Image ⭷
image #4 of Erythronium americanum ssp. americanum© Edwin Bridges | Original Image ⭷
image #5 of Erythronium americanum ssp. americanum© Michael John Oldham, some rights reserved (CC BY-NC), uploaded by Michael John Oldham source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #6 of Erythronium americanum ssp. americanum© Samuel Brinker, some rights reserved (CC BY-NC), uploaded by Samuel Brinker source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #7 of Erythronium americanum ssp. americanum© Scott Ward, some rights reserved (CC BY), uploaded by Scott Ward source CC-BY | Original Image ⭷
image #8 of Erythronium americanum ssp. americanum© Alex Graeff, some rights reserved (CC BY-NC-ND), uploaded by Alex Graeff source CC-BY-NC-ND, permission granted to NCBG | Original Image ⭷
image #9 of Erythronium americanum ssp. americanum© Alan Weakley source
image #10 of Erythronium americanum ssp. americanum© Scott Ward | Original Image ⭷
image #11 of Erythronium americanum ssp. americanum© Bruce A. Sorrie | Original Image ⭷
image #12 of Erythronium americanum ssp. americanum© Michael John Oldham, some rights reserved (CC BY-NC), uploaded by Michael John Oldham source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #13 of Erythronium americanum ssp. americanum© Edwin Bridges | Original Image ⭷
image #14 of Erythronium americanum ssp. americanum© Sequoia Janirella Wrens, some rights reserved (CC BY-NC), uploaded by Sequoia Janirella Wrens source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #15 of Erythronium americanum ssp. americanum© Eric M Powell, some rights reserved (CC BY-NC), uploaded by Eric M Powell source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #16 of Erythronium americanum ssp. americanum© cassi saari, some rights reserved (CC BY-NC), uploaded by cassi saari source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #17 of Erythronium americanum ssp. americanum© cassi saari, some rights reserved (CC BY-NC), uploaded by cassi saari source CC-BY-NC, permission granted to NCBG | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Acaulescent, colony-forming perennial of moist bottomland or slope forests, especially over mafic rocks.

Stems: Stem a smooth, pink-tinted flowering scape.

Leaves: Leaves basal and spreading-ascending, sessile, lance-shaped,to 7 in. long, fleshy and mottled with purplish-brown markings.

Inforescence:

Flowers: Flower solitary, nodding at tip of scape, yellow, to 1 in. long, trumpet-shaped, consisting of 6 spreading to reflexed, purple-spotted tepals with tiny "ears" at their base and 6 protruding stamens bearing long yellow anthers.

Fruits: Fruit a green, oval capsule held horizontally about the ground surface.

Comments:

Height: 4-10 in.

plant sale text:

bloom table text:

description: Acaulescent, colony-forming perennial of moist bottomland or slope forests, especially over mafic rocks.

stems: Stem a smooth, pink-tinted flowering scape.

leaves: Leaves basal and spreading-ascending, sessile, lance-shaped,to 7 in. long, fleshy and mottled with purplish-brown markings.

inflorescence:

flowers: Flower solitary, nodding at tip of scape, yellow, to 1 in. long, trumpet-shaped, consisting of 6 spreading to reflexed, purple-spotted tepals with tiny "ears" at their base and 6 protruding stamens bearing long yellow anthers.

fruits: Fruit a green, oval capsule held horizontally about the ground surface.

comments:

cultural notes:

germination code:

native range: eastern North America



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