Flora of North America species comparison

clustered, internodes not lined, with black glands scattered all over.

internodes 4-lined at first, then terete.

spreading or ascending, usually sessile, rarely petiolate (to 1 mm);

blade elliptic or oblong to lanceolate or triangular-lanceolate, or oblanceolate, 14–40(–58) × 3–17(–22.5) mm, base cordate to narrowly cuneate, margins plane, apex usually rounded to retuse, rarely acute to obtuse, midrib with 3–5 pairs of branches, tertiary veins densely reticulate toward margins, black glands intramarginal (dense) and laminar (scattered).

spreading, sessile;

blade narrowly elliptic to narrowly elliptic-oblong, 20–70 × 5–15 mm, (proximal usually narrower), base narrowly cuneate to subangustate, margins plane, apex acute to apiculate-obtuse, midrib with 8–12 pairs of branches, tertiary veins densely reticulate toward margins.

subcorymbiform to cylindric, 10–206(–600)-flowered, subsidiary branches narrowly ascending to curved-ascending.

broadly rounded-pyramidal to broadly cylindric, to 30-flowered.

8–15 mm diam.;

sepals not imbricate, erect in fruit, lanceolate or oblong-lanceolate to elliptic or ovate-elliptic, subequal, (1.5–)2–4 × 0.8–1.6 mm, apex acute to rounded;

petals pale yellow, oblanceolate to elliptic, 3–6(–9) mm;

stamens (20–)30–60;

anther gland black;

styles 1–4 mm.

sepals lanceolate, unequal, 3–4.5 × 1–2.2 mm;

petals bright yellow, not red-tinged, oblanceolate-unguiculate, 12–17 mm;

anther gland yellow to orange;

styles widely spreading, 8–14 mm.

ovoid to subglobose, 2.5–6 × 2–3.5(–4) mm, with longitudinal vittae or elongate to ovoid vesicles.

pyramidal-ovoid to ovoid-ellipsoid, 9–12 × 7–8 mm.

not carinate, 0.5–0.7 mm;

testa linear-reticulate.

1.5–2 mm, narrowly winged;

testa linear-reticulate to linear-foveolate.

= 14, 16.

= 40.