Flora of North America species comparison

scandent, ribbed, glabrous;

prickles 1–1.5 mm.

ribbed, glabrous or strigose.

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 hyaline, cylindric, 10–20 mm, base inflated or not, margins truncate, ciliate with bristles 0.5–4 mm, surface strigose to tomentose;

petiole (0.1–)1–2 cm, leaves sometimes sessile;

blade 5–17.5 × 2–10 cm, apex acute to acuminate, faces pubescent abaxially, strigose and scabrous 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.

(50–)100–350 × 7–15 mm;

peduncle 10–70 mm, pubescent or glabrous distally;

ocreolae not overlapping, margins ciliate with bristles to 3 mm.

mostly ascending, 1–1.5 mm.

ascending to spreading, 0.5–1 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.

1–3 per ocreate fascicle;

perianth white, greenish white, or rarely pink, glabrous, accrescent;

tepals elliptic to obovate, 2.5–3.5 mm, apex acute to acuminate;

filaments distinct, outer ones sometimes adnate to perianth tube;

anthers yellow or pink, ovate;

styles distinct.

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 except for apex and styles, brown to dark brown, biconvex, 3.5–4 × 2–2.8 mm, dull to shiny, smooth to rugose.

= 40.

= 44.