Flora of North America species comparison

scandent, ribbed, glabrous;

prickles 1–1.5 mm.

decumbent to ascending, glabrous except for fleshy, retrorse, whitish hairs at nodes.

ocrea brownish, cylindric, (3–)5–13 mm, chartaceous, base inflated or not, without prickles, margins oblique, glabrous or ciliate at tip with bristles 0.2–1 mm, surface glabrous;

petiole 0.5–4 cm;

blade broadly lanceolate to oblong, 2–8.5 × 1–3 cm, base sagittate to cordate, margins entire, ciliate or eciliate, apex obtuse to acute, faces glabrous or densely appressed-pubescent, usually with retrorse prickles along midvein abaxially.

ocrea brownish or hyaline, cylindric to funnelform, 4–10 mm, chartaceous, base inflated or not, margins oblique, eciliate, surface glabrous or with bristlelike hairs proximally;

petiole 0.1–3 cm, winged to base, leaves sometimes sessile;

blade ovate-deltate, 1.5–5 × 1–4 cm, base rounded to truncate, margins glabrous or scabrous, apex acute, faces pilose and glandular-punctate abaxially, glabrous adaxially.

capitate or paniclelike, uninterrupted, 5–15 × 4–10 mm;

peduncle 10–80 mm, usually glabrous, sometimes with retrorse prickles proximally;

ocreolae overlapping, margins eciliate.

terminal and axillary, 5–10 × 5–10 mm;

peduncle 2–20 mm, apex stipitate-glandular;

ocreolae overlapping, margins eciliate.

mostly ascending, 1–1.5 mm.

mostly ascending, 0.1–1 mm, flowers sometimes sessile.

2–3 per ocreate fascicle;

perianth white or greenish white, often tinged pink or red, sometimes entirely pink, glabrous, accrescent, not becoming blue and fleshy in fruit;

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

stamens 8, filaments distinct, free;

anthers pink, ovate;

styles 3, connate to middle.

1–2 per ocreate fascicle;

perianth white to pink or lavender, urceolate, glabrous, scarcely accrescent;

tepals 4(–5), oblong to broadly elliptic, 2.5–3 mm, apex acute to obtuse;

stamens (5–)8, filaments distinct, free;

anthers purplish black, elliptic;

styles 2, connate proximally.

included or styles exserted, light or dark brown to black, 3-gonous, 2.5–4 × 1.8–2.5 mm, dull to shiny, smooth to minutely punctate.

included, dark brown to black, biconvex, 1.5–2 × 1–1.5 mm, dull, minutely punctate.

= 40.