Flora of North America species comparison

sparsely to densely sericeous.

sparsely pilose.

petiole 5–35 mm;

blade suborbiculate, 8–20 × 7–19 mm, surfaces: abaxial densely sericeous, hairs silvery gray, adaxial sparsely sericeous to glabrate, hairs green.

petiole 12–100 mm;

blade orbiculate to reniform, 8–27 × 15–42 mm, surfaces glabrate.

5–35 mm, straight to curved or nodding, not notably recurved near tips.

5–31 mm, recurved near tip.

sepals 1.5(–2.5) mm at anthesis, to 3.3 mm in fruit;

corolla yellow-green, 1.5(–2) mm.

sepals 1.5–2 mm at anthesis, to 2–2.3 mm in fruit;

corolla purplish to reddish, 3–3.5 mm.

notably 2-lobed, 2–3.5 × 1.8–2.5 mm, lobes separating, each valvately dehiscent.

slightly notched to weakly 2-lobed, 4.5–5 × 2.1–2.6 mm.