Flora of North America species comparison

decumbent to ascending or erect, branched, without noticeable ribs, glabrous, glandular-punctate.

ascending to erect, ribbed or obscurely so, glabrous or glandular-pubescent distally;

prickles 1–1.5 mm.

ocrea brown, cylindric or funnelform, (8–)10–15 mm, chartaceous, base inflated, margins truncate, ciliate with bristles 1–4 mm, surface glabrous or strigose, usually glandular-punctate;

petiole 0.1–0.8 cm, glandular-punctate, leaves sometimes sessile;

blade without dark triangular or lunate blotch adaxially, lanceolate to narrowly rhombic, (1.5–)4–10(–15) × 0.4–2.5 cm, base tapered or cuneate, margins antrorsely strigose, apex acute to acuminate, faces glabrous or scabrous along midveins, glandular-punctate, sometimes obscurely so adaxially.

ocrea brownish, cylindric, 8–14 mm, chartaceous, base inflated or not, without prickles, margins truncate, ciliate with bristles 2–4 mm, surface with appressed bristles along veins;

petiole 0.5–1.5 cm;

blade lanceolate to narrowly elliptic, 5–12.5 × 1.5–3.5 cm, base acute, margins entire, antrorsely ciliate, apex acute acuminate, rarely obtuse, faces glabrous or pubescent and, usually, with antrorse prickles along midvein abaxially and adaxially.

terminal and axillary, erect or nodding, interrupted or uninterrupted distally, 30–180 × 5–9 mm;

peduncle (0–)10–50 mm, sometimes absent on axillary inflorescences and flowers thus enclosed in ocreae, glabrous, glandular-punctate;

ocreolae not overlapping or overlapping distally, margins eciliate or ciliate with bristles to 1 mm.

racemelike, uninterrupted or interrupted proximally, 20–45 × 5–10 mm;

peduncle 20–40 mm, usually stipitate-glandular at least proximally;

ocreolae usually overlapping, sometimes not overlapping proximally, margins eciliate.

ascending, 1–3 mm.

mostly ascending, 2–3 mm.

1–3(–5) per ocreate fascicle, homostylous;

perianth greenish proximally, white or pink distally, glandular-punctate with punctae ± uniformly distributed, scarcely accrescent;

tepals 4–5, connate ca. 1/3 their length, petaloid, obovate, 2–3.5 mm, veins prominent or not, not anchor-shaped, margins entire, apex obtuse to rounded;

stamens 6–8, included;

anthers pink or red, elliptic to ovate;

styles 2–3, connate proximally.

2–4 per ocreate fascicle;

perianth pale green, often tinged red, glabrous, accrescent, not becoming blue and fleshy in fruit;

tepals 5, connate 1/4–1/3 their length, petaloid, elliptic to broadly elliptic, 3–4 mm, apex obtuse;

stamens 8, filaments distinct, free;

anthers pink, ovate;

styles 2, connate to middle.

included or apex exserted, brownish black, biconvex or 3-gonous, 1.9–3 × 1.5–2 mm, dull, minutely roughened.

included, black, biconvex, 2.5–3 × 2.3–2.8 mm, dull, rugose.

= 20.