Flora of North America species comparison

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

decumbent to ascending or erect, branched, without noticeable ribs, brownish-hirsute on internodes.

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.

ocrea brown to reddish brown, cylindric, 6–12 mm, chartaceous, base sometimes inflated, margins truncate, eciliate or ciliate with bristles 4–7.5 mm, surface hirsute, not glandular-punctate;

petiole 0.1(–0.3) cm, hirsute, leaves sometimes sessile;

blade without dark triangular or lunate blotch adaxially, ovate to lanceolate, (2–)4–8 × (0.5–)1–2.5 cm, base rounded to cordate, margins strigose to hirsute, apex acute to acuminate, faces sparingly hirsute abaxially and adaxially, midvein usually hirsute abaxially.

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 terminal, erect, interrupted proximally, usually uninterrupted distally, 20–80 × 4–8 mm;

peduncle 30–60 mm, hirsute or, sometimes, nearly glabrous distally;

ocreolae overlapping distally, usually not overlapping proximally, margins ciliate with bristles 0.4–1.5(–2) mm.

ascending, 1.5–5 mm.

ascending, 1–2 mm.

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.

1–3 per ocreate fascicle, homostylous;

perianth white to pink, glabrous, not glandular-punctate, nonaccrescent;

tepals 5, connate in proximally 1/3, obovate, 1.5–2 mm, veins not prominent, not anchor-shaped, margins entire, apex obtuse to rounded;

stamens 5, included;

anthers red, elliptic to ovate;

styles 3, connate proximally.

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.

included or apex exserted, dark brown to brownish black, 3-gonous, 2–2.5 × 1.3–1.8 mm, shiny, smooth.

= 20.