Flora of North America species comparison

ocrea usually deciduous, brownish, cylindric, 4–6(–10) mm, margins oblique, face not fringed with reflexed hairs and slender bristles at base, otherwise glabrous or puberulent;

petiole 1–3 cm, glabrous;

blade ovate, 5–15 × 2–10 cm, base truncate to attenuate, margins entire, glabrous or scabrous to ciliate, apex abruptly cuspidate, abaxial face minutely dotted, glaucous, with hairs along veins unicellular, shorter than 0.1 mm, tips blunt, veins obscurely scabrous, adaxial face glabrous.

terminal and axillary, erect or spreading, paniclelike or, sometimes, racemelike, 4–12 cm, axes puberulent;

peduncle 0.1–2.5 cm or absent, puberulent.

ascending or spreading, articulated proximal to middle, 3–5 mm, glabrous.

bisexual or pistillate, 3–8(–15) per ocreate fascicle;

perianth accrescent in fruit, white or greenish white to pink, 4–6 mm including stipelike base, glabrous;

tepals obovate to elliptic, apex obtuse to acute, outer 3 winged;

stamens 8;

filaments flattened proximally, glabrous;

styles connate basally;

stigmas fimbriate.

included, dark brown, 2.3–3.6 × 1.4–1.9 mm, shiny, smooth; fruiting perianth glabrous, wings flat to undulate, 1.4–2 mm wide at maturity, decurrent on stipelike base nearly to articulation, margins entire.

= 44, 66, 88 (Korea).