Trillium grandiflorum (Michx.) Salisb.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Melanthiaceae
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Scientific Name
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Description
Species Description - Stem 2–4 dm at anthesis; lvs ovate or rhombic or subrotund, at an thesis 8–12 cm, short-acuminate, narrowed from below the middle to an acute base (rarely short-petioled); peduncle erect or declined, 5–8 cm, the fl held above the lvs; sep lanceolate, ascending-spreading, 3–5 cm; pet normally white, turning pink in age, ascending from the base, spreading above, obovate or elliptic, evidently longer than the sep, 4–8 cm, acute; filaments more than half as long as the introrse anthers and scarcely (if at all) wider, the whole stamen 15–25 mm; stigmas slender, erect, slightly shorter than the white, 6-winged and -sulcate ovary; 2n=10. Rich moist woods; Que. and Me. to Minn., s. to Pa., O., and Ind., and in the mts. to n. Ga. and ne. Ala. Apr., May.
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Common Names
big white trillium