Flora of North America species comparison

decumbent to ascending, usually branched, without noticeable ribs, glabrous or obscurely strigose distally.

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

ocrea brown, cylindric, 5–23 mm, chartaceous, base inflated, margins truncate, ciliate with bristles (2–)4–10 mm, surface glabrous or strigose, not glandular-punctate;

petiole 0.2–2 cm, glabrous or strigose;

blade without dark triangular or lunate blotch adaxially, broadly lanceolate to linear-lanceolate, 5–25 × 0.4–3.7 cm, base tapered or acute, margins antrorsely appressed-pubescent, apex acuminate, faces glabrous or appressed-pubescent along midveins and sometimes on faces, usually punctate 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.

terminal, sometimes also axillary, erect, uninterrupted or interrupted proximally, 30–80 × 2–5 mm;

peduncle 10–30 mm, glabrous or strigose;

ocreolae overlapping distally, often not overlapping proximally, margins ciliate with bristles to 2(–3) mm.

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

peduncle 2–20 mm, apex stipitate-glandular;

ocreolae overlapping, margins eciliate.

ascending, 1–1.5 mm.

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

bisexual or unisexual and staminate, 2–6 per ocreate fascicle, homostylous;

perianth roseate proximally, roseate, white, or greenish white distally, not glandular-punctate or sometimes glandular-punctate with punctae on tubes and inner tepals, scarcely accrescent;

tepals 5, connate ca. 1/3–1/2 their length, obovate, 2.5–4 mm in bisexual flowers, 1.5–2.5 mm in staminate flowers, veins prominent or not, not anchor-shaped, margins entire, apex obtuse to rounded;

stamens 8, included or exserted in staminate flowers;

anthers pink or red, elliptic to ovate;

styles 3, connate near 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 apex exserted, brown to brownish black or black, 3-gonous, 1.5–3 × 1–2.3 mm, shiny, smooth.

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