Trillium
Toadshade, Wakerobin, Trillium
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Trillium Fact Sheets

Trillium albidum Trillium discolor Trillium maculatum Trillium sessile
Trillium angustipetalum Trillium erectum Trillium nivale Trillium simile
Trillium apetalon Trillium flexipes Trillium ovatum Trillium stamineum
Trillium camschatcense Trillium foetidissimum Trillium parviflorum Trillium sulcatum
Trillium catesbaei Trillium gracile Trillium persistens Trillium underwoodii
Trillium cernuum Trillium grandiflorum Trillium petiolatum Trillium undulatum
Trillium chloropetalum Trillium kurabayashii Trillium pusillum Trillium vaseyi
Trillium cuneatum Trillium lancifolium Trillium recurvatum  Trillium viride
Trillium decipiens Trillium ludovicianum Trillium reliquum  Trillium viridescens
Trillium decumbens Trillium luteum Trillium rugelii  

   Photo by G.A. Cooper - Courtesy of Smithsonian Institution

   © Thomas G. Barnes - University of Kentucky

Morphology

Plants perennial, scapose, with rhizomes.
Leaves 3, whorled, sessile or petiolate.
Inflorescences 1-flowered.
Flower sessile or pedicellate.
Sepals 3, green, maroon/purple, or green with maroon/purple markings.
Petals 3, showy, white, red, yellow, pink, purple, green, or combinations and/or gradations of these colors.
Stamens 6 (2 whorls of 3).
Ovary superior.
Stigmas 3.

Reference(s)

Based on F.W. Case, Jr. Trillium in Flora of North America, volume 26. 2002. Oxford University Press.

A full treatment is available for Trillium at  www.eFloras.org


Fact Sheets Developed By

Pedro Oñativia Lake © 2007

      © California Academy of Sciences - Photo by Beatrice F. Howitt