Flora of North America species comparison

scandent, ribbed, glabrous;

prickles 1–1.5 mm.

usually scandent or, rarely, ascending or erect, simple or branched, with recurved prickles.

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 chartaceous or foliaceous, margins eciliate or ciliate;

petiole, if present, rarely winged, not auriculate;

blade without dark triangular or lunate blotch adaxially, broadly lanceolate or elliptic to triangular, base truncate to sagittate to cordate, margins entire or hastately lobed.

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, spikelike, paniclelike, or capitate, uninterrupted or, rarely, interrupted proximally.

mostly ascending, 1–1.5 mm.

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.

homostylous, articulation swollen or not;

perianth campanulate;

tepals 4–5, connate 1/4–1/2 their length;

stamens 5–8;

styles deciduous, 2–3, included or, rarely, exserted, erect or spreading.

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.

= 40.