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n.1.(Bot.) An American herb with a pretty, white, solitary blossom, and deeply two-cleft leaves (Jeffersonia diphylla); twinleaf.
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For Spring Pond in 1996, two species with C-value of 8 (Anemone acutiloba and Fagus grandifolia) and four with C-values of 7 (Galium asprellum, Actaea pachyoda, Hydrangea arborescens, and Jeffersonia diphylla) were identified.
Erigenia bulbosa, Erythronium americanum, Geranium maculatum, Geum vernum, Hydrophyllum macrophyllum, Isopyrum biternatum, Jeffersonia diphylla, Maianthemum racemosum, Osmorhiza longistylis, Packera obovata, Phlox divaricata, Podophyllum peltatum, Sanguinaria canadensis, Stellaria pubera, Trillium grandiflora, T.
4) Rue Anemone (5) Jeffersonia Diphylla Twinleaf (6) Trillium Grandiflorum (7) Yellow Lady's Slipper (8) Trillium Cuneatum