Flora of North America species comparison

petiole 4–12 mm;

blade with 5–8 secondary veins, obovate to broadly elliptic or broadly rhombic, 7–20 × 4–14.3 cm, largest blades on sterile shoots 5–20 cm wide, margins of at least some leaves on sterile shoots (and often fertile shoots) denticulate to serrate, rarely also lobed, longest arms of abaxial hairs 0.2–0.6 mm.

petiole 2–6 mm;

blade with 5–8 secondary veins, elliptic or broadly elliptic to obovate or nearly ovate, 1.2–10 × 0.6–5.7 cm, largest blades on sterile shoots 2–5.7 cm wide, margins of at least some leaves denticulate to serrate, rarely also lobed, longest arms of abaxial hairs 0.1–0.2 mm.

4–9 mm, usually shorter than calyx.

4–10(–14) mm, longer than calyx.

calyx 4–6 × 3–6 mm;

corolla 10–21 mm, tube 3–5 mm, lobes 5(–6), imbricate in bud, slightly reflexed, elliptic, 8–16 × 3–7 mm;

filaments distinct beyond adnation to corolla.

calyx 2.5–4 × 2.5–4.5 mm;

corolla 11–16 mm, tube 1.5–3 mm, lobes 5(–6), imbricate or subinduplicate-valvate in bud, strongly reflexed, elliptic to narrowly elliptic, 7–14 × 1–5 mm;

filaments distinct beyond adnation to corolla.

globose, 7–9 × 7–9 mm (broader when 2–3-seeded), gray stellate-pubescent, dehiscent nearly or completely to proximal end, broadly exposing seed(s);

fruit wall 0.3–0.4 mm thick.

-terminal inflorescences 2–19-flowered or solitary flower, 3–11.5 cm;

axillary flowers present on at least some shoots (subtending leaves often reduced).

-terminal inflorescences 2–5-flowered or solitary flower, 2–3.5 cm;

axillary flowers present on at least some shoots (subtending leaves often reduced).

fruits globose to subglobose, 8–12 × 6–8 mm (broader when 2–3-seeded), gray to yellowish gray stellate-pubescent, indehiscent or at most with 1–3 narrow longitudinal fissures, barely exposing seed(s);

fruit wall 0.4–0.5 mm thick.

= 32.

= 16.