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–)4–7(–10) mm;

blade with 5–8 secondary veins, oblong-elliptic, ovate-elliptic, ovate to ovate-lanceolate, or subrhombic, 3–11 × 2–5(–7) cm, margins of at least some leaves apically remotely serrate, longest arms of abaxial hairs to 0.6 mm.

4–9 mm, usually shorter than calyx.

15–50 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 4–7 × 3–5 mm;

corolla (8–)10–16(–23) mm, tube 3–5 mm, lobes 5(–6), imbricate in bud, slightly reflexed, ovate, oblong-ovate, obovate, or ovate-lanceolate, 11–20 × (3–)5–7(–9) mm;

filaments distinct beyond adnation to corolla.

ovoid or ellipsoid, 8–15 × 8–10 mm (broader when 2–3-seeded), gray or grayish yellow stellate-pubescent, dehiscent from distal or proximal end, broadly exposing seed(s);

fruit wall 0.4–1 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, 1–4 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.

= ca. 40.