Liliaceae - lily family
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Maine is home to 8 species in 5 genera (hybrids excluded). If you know which species you have or are interested in learning about, click on the appropriate link from the species list below. Otherwise, to determine which genus your member of the lily family belongs to, refer to the table below the species list.
Clintonia (1 species)
Clintonia borealis - yellow bluebead-lily
Erythronium (1 species)
Erythronium americanum ssp. americanum - trout-lily
Lilium (3 species)
Lilium canadense - Canada lily
Lilium lancifolium - lance-leaved tiger lily
Lilium philadelphicum - wood lily
Medeola (1 species)
Medeola virginiana - Indian cucumber root
Streptopus (2 species)
Streptopus amplexifolius - clasping-leaved twistedstalk
Streptopus lanceolatus - lance-leaved twistedstalk (uncommon)
| red font = unique character state (or nearly so) | leaf position | leaf arrangement of cauline leaves | petal color |
| Clintonia borealis | basal | n/a | light yellow to greenish |
| Erythronium americanum | basal | n/a | yellow |
| Lilium | cauline | whorled | reddish orange |
| Medeola virginiana | cauline | whorled | green to yellow |
| Streptopus | cauline | alternate | pink with darker reddish stripes |
Clintonia (bluebead-lily)
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Clintonia borealis (yellow bluebead-lily) - [information to be added]
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Erythronium (trout-lily)
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Erythronium americanum (trout-lily) - [information to be added]
(click on an image to enlarge)
Lilium (lily)
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| red font = unique character state (or nearly so) | leaf arrangement | flower orientation | char. 3 |
| L. canadense | whorled | nodding | |
| L. lancifolium | alternate | nodding | |
| L. philadelphicum | whorled | erect |
Lilium canadense (Canada lily) - [information to be added]
(click on image to enlarge)
Lilium lancifolium (lance-leaved tiger lily) - [information to be added]
Lilium philadelphicum (wood lily) - [information to be added]
Medeola (cucumber root)
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Medeola virginiana (Indian cucumber root) - [information to be added]
(click on an image to enlarge)
Streptopus (twistedstalk)
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| leaf attachment | tepal color | stigma morphology | |
| S. amplexifolius | cordate-clasping | green-yellow | unlobed |
| S. lanceolatus | sessile, not clasping | pink with darker red stripes | 3-lobed |
Streptopus amplexifolius (clasping-leaved twistedstalk) - [information to be added]
Streptopus lanceolatus (lance-leaved twistedstalk) - [information to be added]
Note:
1. Taxonomy and nomenclature follow Flora Novae Angliae by Arthur Haines (2011, Yale University Press, ISBN 978-0-300-17154-9).