Flora of North America species comparison

glabrous or sericeous.

densely sericeous, hairs tawny.

petiole 3–25(–42) mm;

blade reniform to broadly ovate-reniform, (3–)8–30 × (3–)8–30 mm, surfaces: abaxial sparsely sericeous, adaxial glabrous or sparsely sericeous, or hairs ± patent.

petiole 20–170 mm;

blade orbiculate-reniform, (10–)20–30(–51) × (15–)30–40(–62) mm, surfaces: abaxial densely sericeous, adaxial sparsely sericeous.

(3–)5–15 mm, recurved near tips.

5–13 mm, recurved near tips.

sepals 1.5–2 mm at anthesis, 2–2.5 mm in fruit;

corolla greenish to white, 1.5–2(–3) mm.

sepals 2.5–3.2 mm at anthesis, 2.9–3.8 mm in fruit;

corolla pale green, 3.1–4 mm.

notably 2-lobed, 2–2.6 × 1.8–2.3 mm, lobes separating, pericarp fragile, shattering irregularly.

notably 2-lobed, 3–4 × 2.8–3.3 mm, lobes separating, pericarp fragile, shattering irregularly.

= 28 (Asia).