Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.

Click images to enlarge and show more photo credit.

Key to Trautvetteria

Ranunculaceae

Trautvetteria

Copy permalink to share

(c) Finzel, Brian - CC-BY-SA
1 Basal leaves shallowly 3- (5) lobed (the sinuses reaching less than halfway from lobe tip to petiole attachment), coriaceous, stiff, lobes round/deltoid, outer lobes usually shallowly 1-lobed, sinuses acute to rounded, margin regularly crenate/dentate, venation highly reticulate; cauline leaves unlobed to shallowly 3-5-lobed, lobes deltoid; [endemic to Ridge and Valley of ne. TN]
1 Basal leaves deeply 3-9-lobed (the sinuses reaching over two-thirds of the way from lobe tip to petiole attachment), chartaceous, coriaceous, or membranous, each lobe further divided into 2-4 lobules; cauline leaves 3-7-lobed, lobes oblanceolate; [widespread in our area].
  2 Leaf blade nearly pedate; leaf margin serrations deltoid or depressed-deltoid in shape, rounded or obtuse (and mucronate) at the apex; [Cumberland Plateau and Ridge and Valley provinces, rare and scattered westward, as in the Interior Highlands, and in lower elevations of the Gulf and Atlantic Coastal Plain and lower Piedmont]
  2 Leaf blade palmately divided; leaf margin serrations lanceolate, acuminate or acute at the apex; [mainly in the Blue Ridge and adjacent portions of adjacent provinces]