Flora of North America species comparison

densely white-tomentulose, becoming canescent.

petiole (4–)6–16(–22) mm;

blade bicolor, abaxially white, adaxially green and nonlustrous, linear to linear-lanceolate, (2.5–)5–11(–15) × (0.6–)0.7–1.2(–1.4) cm, surfaces villous-tomentulose, soon or tardily glabrescent except for hairy midveins.

petiole (1.5–)4–16(–26) mm;

blade usually bicolor, sometimes green or yellow-green, oblong-elliptic or oblong-lanceolate to linear-lanceolate or linear, (2.2–)3–11(–15) × (0.6–)0.7–2(–3.2) cm, base obliquely cuneate to rounded, margins serrulate or crenulate, teeth 10–35(–50) per 5 cm, 0.1–0.5(–1.5) mm, apex acute, mostly mucronate, surfaces closely villous-tomentulose, abaxially more densely so, or glabrate or tardily glabrescent (some remaining crinkled hairs).

hypanthium 2–2.5 × 3–3.5 mm, exterior white villous-tomentulose, interior glabrous except at base;

sepals 1.3–1.8 × 1.6–2 mm, villous-tomentulose;

petals 4–5 × 2.4–3 mm;

filaments 3–5 mm.

hypanthium 1.5–2.5(–3) × 2–3.7(–4.5) mm, tomentose to sparsely tomentulose or glabrate;

sepals 1.1–2.2 × 1.4–2.3 mm, margins eglandular;

petals oblong-ovate, 3.4–5.4 × 2.4–3.5 mm;

filaments 2.5–6 mm.

5–6 × 3.5–4 mm.

4.5–6.5 × 3.5–4.5 mm.

3.5–4 × 0.9–1.2 mm.

3.5–5 × 0.9–1.4 mm.

1.5–4.5 × 2–6.5 cm, villous to tomentulose.

1.5–5(–12) × 1.7–8(–13) cm, tomentulose, sometimes sparsely hairy or glabrate.