Trillium grandiflorum
Large-flowered trillium Taxonomy
Synonyms: Subspecific taxa: Classification:
Other taxonomic & nomenclature sources: USDA Plants;  ITIS;  The Plant List;  IPNI Images
   
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Species Distribution
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County Map Legend
Absent: Not known from county Medium confidence: Medium or unknown confidence; often old records or unverifiable observations Medium-high confidence: Often observations by expert botanists High confidence: Often vouchered herbarium records Planted / introduced: Native species introduced outside historic range, or only in planted locations within county (e.g., restorations) Historic / extirpated: Only historic records for the species; likely extirpated (Note that this category is not yet functional) North American distribution maps for this species: FLNA;  USDA Plants;  BONAP;  BISON
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Species Status
Status/Listing: No Information Notes: Origin: Native
Species Description
General: Monocot, perennial Roots: adventitious, rhizomes Shoots: whorled leaf arrangment; simple leaf type; entire, undulate leaf margin; Parallel leaf venation; lanceolate, obovate leaf shape Inflorescence: solitary Flowers: perfect; 3 merous; complete, regular; white; hypogynous ovary position Fruit: capsule Physiology: autotrophic Reproduction: sexual, vegetative
Ecology & Natural History
Habitat: Species is distributed with Acer saccharum; Fraxinus americana, Quercus rubra, Tilia americana, Ulmus rubra; in swampy woods by Lake Michigan Dunes; with Fagus grandifolia and Acer saccharum. ILPIN Notes: Regarding leaf venation, it may be parallel or other. Species is occasional in northern 1/2 of Illinois; very rare elsewhere. Seeds are dispersed by ants (Handel et al., 1981). Greens may be cooked for emergency use (Medsger). Species is used as an emetic, especially roots; fruits may be dangerous also (Pammel). Pammel, L.H. 1911. A Manual of Poisonous Plants. Torch Press. Cedar Rapids, Iowa. 977 pp. Handel, S. N., S. B. Fisch, and G. E. Schatz. 1981. Ants disperse a majority of herbs in a mesic forest community in New York State. Torrey Botanical Club Bulletin 108: 430-437. Functional Relationships:
Human Relationships:
Wildlife and Livestock Information:
Coefficient of Conservatism (C-value) [?] :
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