Liliaceae of Maine
(Kingdom Plantae, Monocots)

(updated 24 September 2020)

Liliaceae - lily family
[information to be added]

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)
[information to be added]

Clintonia borealis (yellow bluebead-lily) - [information to be added]
(click on an image to enlarge)

Erythronium (trout-lily)
[information to be added]

Erythronium americanum (trout-lily) - [information to be added]
(click on an image to enlarge)

Lilium (lily)
[information to be added]

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)
[information to be added]

Medeola virginiana (Indian cucumber root) - [information to be added]
(click on an image to enlarge)

Streptopus (twistedstalk)
[information to be added]

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]

   1. Taxonomy and nomenclature follow Flora Novae Angliae by Arthur Haines (2011, Yale University Press, ISBN 978-0-300-17154-9).