Key Identification Features
- recurvatum has distinctive leaves with petiole-like bases and strongly recurved sepals, traits that T.
- sessile can be identified by anther connectives that extend prominently above its inward-facing (introrse) anthers.
- The fruit is green, sometimes streaked with purple or white, and has six distinct, well-developed ridges.
- Trillium recurvatum pollen is most morphologically similar to pollen from Trillium lancifolium, with the two sharing many features, though their pollen diameter ranges differ slightly.
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