Flora of North America species comparison

erect, simple or branched distally, usually ribbed, strigose or glabrescent proximally, pilose to hirsute distally.

scandent, ribbed, glabrous, often glaucous;

prickles 0.5–1 mm.

ocrea brownish proximally, green distally, narrowly funnelform, 10–20 mm, chartaceous proximally, foliaceous distally, rarely chartaceous throughout, base inflated or not, margins truncate, ciliate with bristles 1–3 mm, surface densely strigose to hispid, not glandular-punctate;

petiole 1–8.5(–14) cm, densely pilose to hirsute;

blade without dark triangular or lunate blotch adaxially, ovate, 6–25(–30) × 3–17 cm, base cordate to truncate, margins scabrous to ciliate, apex acuminate, faces minutely strigose to densely hirsute, especially along veins abaxially, not glandular-punctate.

ocrea green, plane to broadly funnelform, 9–14 mm, at least some foliaceous, base inflated or not, without prickles, margins oblique, eciliate, surface glabrous, glaucous;

petiole 4.5–8 cm;

blade triangular, 4–7 × 4.5–9 cm, base truncate to cordate, usually peltate, margins entire, sparsely retrorsely prickly, apex acuminate, faces glabrous, usually glaucous abaxially.

mostly terminal, nodding or erect, uninterrupted, 10–150 × 8–18 mm;

peduncle 20–100 mm, hirsute;

ocreolae overlapping, margins ciliate with bristles 0.2–1 mm.

capitate or spikelike, uninterrupted, 5–12 × 5–10 mm;

peduncle 10–50 mm, retrorsely prickly;

ocreolae overlapping, margins eciliate.

ascending to spreading, 1–4 mm.

mostly ascending, 1–3 mm.

(1–)2–5 per ocreate fascicle, homostylous;

perianth roseate to red, glabrous, not glandular-punctate, slightly accrescent;

tepals 5, connate in proximal 1/3, obovate, 3–4.5 mm, veins prominent or not, not anchor-shaped, margins entire, apex obtuse to rounded;

stamens 6–8, included or exserted;

anthers pink or red, elliptic;

styles 2, connate proximally.

1–3 per ocreate fascicle;

perianth greenish white, glabrous, accrescent, becoming fleshy and blue in fruit;

tepals 5, connate to ca. 1/3 their length, broadly elliptic, 2–3.5 mm, apex acute to obtuse;

stamens (6–)8, filaments distinct, free;

anthers pinkish, ovate;

styles 3, connate proximally.

included, dark brown to black, discoid, 2.5–3.5 × 3–3.5 mm, shiny to dull, smooth to minutely granulate.

included, black or reddish black, spheroidal, 3–3.5 × 3–3.5 mm, shiny, smooth.