Flora of North America species comparison

ocrea usually deciduous, tan or brown, cylindric to funnelform, 1.5–3.5 mm, margins oblique, face not fringed with reflexed hairs and slender bristles at base, otherwise glabrous or scabrid;

petiole 0.3–2.5 cm, glabrous or scabrid in lines;

blade triangular to hastate, 2–8 × 1–5 cm, base cordate to truncate, margins wavy, scabrid, apex acute to acuminate, abaxially and adaxially faces glabrous or papillose to scabrid, not glaucous, the abaxial rarely minutely dotted.

ocrea usually deciduous, hyaline or brownish, cylindric, 3–8 mm, margins truncate to oblique, face glabrous throughout;

petiole 1–4 cm, glabrous or scabrid;

blade narrowly ovate to ovate-oblong, 3–10 × 1–5 cm, base subcordate or cordate to sagittate, margins entire or wavy, glabrous or scabrid, apex obtuse to acuminate, abaxial face glabrous or scabrid along midvein, rarely minutely dotted, not glaucous, adaxial face glabrous.

axillary, erect or spreading, racemelike, 2–20 cm, axes glabrous or scabrid;

peduncle 0.1–6 cm or absent, glabrous or scabrid.

axillary and terminal, spreading or drooping, paniclelike, 3–15 cm, axes glabrous or papillate to scabrid in lines;

peduncle 1–3 cm, glabrous or scabrid.

ascending or spreading to deflexed, articulated distally, 4–8 mm, glabrous.

ascending or spreading, articulated proximal to middle, 1.5–4 mm, glabrous or scabrid.

bisexual, 2–6 per ocreate fascicle;

perianth accrescent in fruit, greenish white or pinkish, 3.5–7 mm including stipelike base, glabrous;

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

stamens 8;

filaments flattened proximally, pubescent proximally;

styles connate;

stigmas capitate.

bisexual, 3–6 per ocreate fascicle;

perianth accrescent in fruit, greenish white with white wings or mostly pink, sometimes bright pink in fruit, 5–8 mm including stipelike base, glabrous;

tepals elliptic, apex obtuse to rounded, outer 3 winged;

stamens 6–8;

filaments flattened proximally, pubescent proximally;

styles connate basally;

stigmas peltate.

included, black, 2–4 × 1.8–2.4 mm, shiny, smooth; fruiting perianth glabrous, wings flat or, less often, undulate or crinkled, 1.5–2 mm wide, usually truncate or attenuate-decurrent on stipelike base nearly to articulation, margins entire or rarely undulate-crenate.

included, dark brown to black, 2–4 × 1.8–2.2 mm, shiny, smooth; fruiting perianth glabrous, wings flat to undulate, 2–4 mm wide at maturity, decurrent on stipelike base nearly to articulation, margins entire.

, perennial, not rhizomatous, 3–10 m. Stems climbing, branched from near base, woody, glabrous, not glaucous.

= 20.

= 20 (Korea).