Flora of North America species comparison

ascending or erect, branched distally, slightly ribbed, glabrous or loosely appressed- to spreading-hirsute near nodes.

scandent, ribbed, glabrous;

prickles 1–1.5 mm.

ocrea brown, cylindric, 10–20 mm, chartaceous, base usually inflated, margins truncate, ciliate with bristles 6–12 mm, surface strigose and with loosely ascending to spreading hairs at least proximally, not glandular-punctate;

petiole 0.1–0.5 cm, spreading-hirsute, leaves sometimes sessile;

blade without dark triangular or lunate blotch adaxially, lanceolate, (3–)6–15(–18) × (1.5–)2–3.2(–4.8) cm, base tapered to truncate, margins appressed-ciliate, apex acute to acuminate, faces sparsely hirsute to loosely appressed hirsute abaxially and adaxially.

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.

mostly terminal, erect, uninterrupted, 20–80 × 4–8 mm;

peduncle 10–70 mm, strigose;

ocreolae overlapping, margins ciliate with bristles (0.6–)1–3(–5) mm.

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

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

ocreolae overlapping, margins eciliate.

ascending, 1–3 mm.

mostly ascending, 1–1.5 mm.

(1–)2–4(–5) per ocreate fascicle, homostylous;

perianth greenish proximally, creamy or tan distally, occasionally tinged pink, glabrous, not glandular-punctate, nonaccrescent;

tepals 5, connate ca. 1/3 their length, obovate, 2–3 mm, veins not prominent, not anchor-shaped, margins entire, apex obtuse to rounded;

stamens 5, included;

anthers pink or red, elliptic;

styles 3, connate proximally.

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.

included or apex exserted, brown to black, 3-gonous, (1.5–)2–2.5 × 1.2–1.7 mm, shiny, smooth.

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.

= 20.

= 40.