Contains 4 accepted taxa overall.
Characteristics
Classification
Citation
TRILLIUM Linnaeus, Sp. Pl. 339. 1753.
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TYPE: Trillium cernuum Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 1: 523. 1913.
Species
Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
---|---|---|---|---|
Trillium decipiens | CHATTAHOOCHEE RIVER WAKEROBIN | Native | ||
Trillium lancifolium | LANCELEAF WAKEROBIN | Native Endangered-State UPL (NWPL) | ||
Trillium maculatum | SPOTTED WAKEROBIN | Native | ||
Trillium underwoodii | LONGBRACT WAKEROBIN | Native |
Identification Key
1. Leaf-like bracts 2.5-3.5 times as long as wide; sepals spreading to reflexed with the tips hanging below the bracts; petals distinctly clawed, the claw purplish and darker in color than the blade, the blade yellow to pale purplish; filaments and antherse 4-6 mm long, subequal
1. Leaf-like bracts 0.8-2.5 times as long as wide; sepals spreading to reflexed with the tips usually not hanging below the bracts; petals without a claw or slightly clawed, the petal generally uniformly colored, greenish to dark purplish; filaments 1-3 mm long, much shorter than the anthers, the anthers 8-16 mm long
2
2. Leaf-like bracts usually widest near the middle; anther dehiscence introrse; petals (3)4-5(7.5) times longer than wide; ovary weakly 3-angled to smooth (rarely very obscurely 6-angled)
2. Leaf-like bracts widest below the middle; anther dehiscence latrorse, occasionally introrse basally with age; petals 2-5(6) times longer than wide; ovary strongly 6-angled
3
3. Scape 17-44 cm long, 2.5-3 times longer than leaf-like bracts; bract tips at anthesis held far above the ground; petals 2-3 times longer than wide
3. Scape 8-20 cm long, 1-2 times longer than leaf-like bracts; bract tips at anthesis typically nearly touching the ground or nearly so; petals (2.5)3-5(6) times longer than wide
Genus Synonyms
Synonym | Full Citation | Basionym | Type |
---|---|---|---|
Delostylis | Delostylis Rafinesque, J. Phys. Chim. Hist. Nat. Arts 89: 102. 1819. | TYPE: Delostylis cernua Rafinesque, nom. illegit. (Trillium stylosum Nuttall) | |
Esdra | Esdra Salisbury, Gen. Pl. 60. 1866. | TYPE: Trillium sessile Linnaeus | |
Trillidium | Trillidium Kunth, Enum. Pl. 5: 120. 1850. | TYPE: Trillidium govanianum (Royle) Kunth (Trillium govanianum Royle) |