Flora of North America species comparison

petiole 0.5–1 cm;

blades of proximal leaves broadly ovate to orbiculate, 0.5–1.3 × 0.5–1.1 cm, distal ovate to oblong-ovate or oblong-lanceolate, unlobed, 0.5–2(–3.5) × 0.4–1.4(–1.7) cm, base cordate, margins serrate to doubly serrate, ciliate with 1+ bristles per tooth, apex acute, 3–5-veined from base, surfaces moderately to sparingly hirsute, hairs usually simple, bifurcate, and fasciculate, sometimes also stellate.

petiole (0.1–)0.2–0.5 cm;

blade orbiculate to ovate, unlobed, 0.4–1.4 × 0.1–0.7 bifurcate, and fasciculate;

petal claws 2–3 mm, lamina rhombic to ± triangular, 1 × 1 mm, base attenuate on claw, margins entire, apex notched, surfaces slightly hairy abaxially, hairs minute, simple, or glandlike, abaxial appendage cylindric to ± clavate, 0.5 mm;

androgynophore (1–)2.2–3 mm;

stamen filaments present;

stigmas exserted.

1.5–2 mm.

sepals persistent, not reflexed at anthesis, ovate, 2 mm, sparingly stellate-hairy abaxially;

petal claws 4 mm, lamina rhombic, 1 × 1 mm, base attenuate on claw, margins entire, apex notched, surfaces sparingly hairy abaxially, hairs simple, multicellular, abaxial appendage cylindric to slightly clavate, 0.5 mm;

androgynophore 1.5 mm;

stamen filaments present;

stigmas slightly exserted.

subspheric, 3–3.5 × 3.5 mm, sparingly stellate-hairy, prickles 0.5 mm.

oblate to subspheric, 4–5 × 4–5 mm, sparingly stellate-pubescent, prickles 0.3–0.5 mm.

2–2.5 mm, sparingly tuberculate.

2 mm, densely tuberculate.

axillary, not borne on short shoots (brachyblasts), (1 or)2 or 3-flowered;

peduncle 2–3 mm.