Flora of North America species comparison

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

internodes 4–6-lined at first, soon 2-lined.

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).

blades elliptic, 15–26 × 5–8(–11) mm, base not articulated, cuneate to subrounded, with glandlike auricles, margins subrecurved to subincrassate, apex obtuse to acute, midrib with to 4 pairs of branches.

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

1-flowered, branching from apical node repeatedly pseudodichotomous, without branches from proximal nodes.

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.

15–20 mm diam.;

sepals persistent, enclosing capsule, 4, unequal, outer broadly ovate, 8–17 × 5–9 mm, apex acute to subacuminate, inner linear-lanceolate, 5–6 × 0.6–1.2 mm, apex acuminate;

petals 4, bright yellow, obovate, 10–18 mm;

stamens persistent, 70–80;

ovary 3–4-merous.

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

narrowly pyramidal-ovoid, 5–8 × 3–4 mm.

not carinate, 0.5–0.7 mm;

testa linear-reticulate.

not carinate, 0.8 mm;

testa reticulate.

= 14, 16.