Flora of North America species comparison

scandent, ribbed, glabrous;

prickles 0.5–1 mm.

ascending to erect, rarely decumbent, branched, ribbed, glabrous or appressed-pubescent to spreading-pubescent distally, stipitate-glandular or, rarely, without stipitate-glands.

ocrea tan or brownish, cylindric, 8–15 mm, chartaceous, base inflated or not, with prickles, margins oblique, ciliate with bristles 0.5–2.5 mm, surface glabrous or appressed- to spreading-pubescent;

petiole 1–7 cm;

blade broadly hastate to hastate-cordate or triangular, (2–)6.5–13(–18) × (1–)6–11(–16) cm, base truncate to truncate-cordate, margins broadly hastate with lobes divergent, ciliate, sometimes also retrorsely prickly, apex acuminate, faces appressed-pubescent or, rarely, glabrous adaxially, stellate-pubescent or, rarely, glabrous abaxially, major veins often bearing prickles.

ocrea brownish, cylindric, 6–20 mm, chartaceous, base inflated, margins truncate, eciliate or ciliate with bristles to 1 mm, surface glabrous or scabrous proximally, eglandular;

petiole 0.1–1.5(–2.3) cm, glabrous or appressed-pubescent;

blade sometimes with dark triangular or lunate blotch adaxially, linear-lanceolate to ovate-lanceolate, 2.3–13(–18) × (0.4–)1–2.3 cm, base tapered to cuneate, margins antrorsely scabrous, apex acute to acuminate, faces glabrous or appressed-pubescent along midveins, glandular-punctate abaxially.

capitate or paniclelike, uninterrupted, 5–12 × 3–8 mm;

peduncle 10–80 mm, retrorsely prickly proximally, stellate-pubescent and stipitate-glandular distally, glands red or pink;

ocreolae usually overlapping, sometimes not overlapping proximally, margins eciliate or ciliate with bristles to 0.5 mm.

terminal and axillary, erect, uninterrupted, 8–60 × 10–18 mm;

peduncle 8–60(–70) mm, glabrous or pubescent, usually stipitate-glandular;

ocreolae overlapping, margins eciliate or ciliate with bristles to 0.8 mm.

mostly ascending, 2–3 mm.

ascending, 1.5–5 mm.

2–4 per ocreate fascicle;

perianth pink or red, often whitish green proximally, glabrous, accrescent, not becoming blue and fleshy in fruit;

tepals 4, connate 1/3–1/2 their length, broadly elliptic, 5–6 mm, apex acute to obtuse;

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

anthers pink, elliptic;

styles 2, distinct.

2–11 per ocreate fascicle, heterostylous;

perianth pink, glabrous, not glandular-punctate, accrescent;

tepals 5, connate ca. 1/4–1/3 their length, obovate to elliptic, 3–4.6 mm, veins prominent, not anchor-shaped, margins entire, apex obtuse to rounded;

stamens 6–8, included or exserted;

anthers pink or red, elliptic;

styles 2(–3), included or exserted, connate at bases.

included, dark brown to black, biconvex, 3.5–6 × 3–4 mm, shiny, smooth.

included or apex exserted, brownish black to black, discoid or, rarely, 3-gonous, 1 side usually slightly concave and other with central hump, (2–)2.2–2.9 × 2–2.8(–3) mm, shiny, smooth.