Flora of North America species comparison

internodes 4-lined at first, soon 2-lined, with black glands on or near lines.

internodes 4-lined.

spreading, sessile;

blade ovate to oblong or lanceolate, 33–65 × 15–27 mm, base cordate to truncate or broadly cuneate, margins plane, apex obtuse to rounded, midrib with 4–5 pairs of branches, tertiary veins densely reticulate toward margins, black glands intramarginal (dense) and, sometimes, laminar (scattered).

blades broadly to narrowly elliptic or oblanceolate to oblong-elliptic, 11–35 × 3–13 mm, base not articulated, cuneate to shallowly cordate-amplexicaul, margins plane to subrevolute, apex rounded, midrib with 5–7 pairs of branches.

subcorymbiform, (2–)5–14(–22)-flowered, subsidiary branches sometimes narrowly ascending or curved-ascending.

corymbiform, (1–)3–15-flowered, narrowly branched, sometimes with branches from 1–2 proximal nodes.

20–25(–30) mm diam.;

sepals not imbricate, erect in fruit, lanceolate, subequal, 5–7.5(–11) × 1–3 mm, apex acute;

petals golden yellow, narrowly obovate, 11–18 mm;

stamens 50–90(–103);

anther gland black;

styles 5.6–12 mm.

12–15 mm diam.;

sepals persistent, not enclosing capsule, (4–)5, ± lanceolate to lanceolate-elliptic, ± unequal, 6–7 × 2–3 mm;

petals (4–)5, pale yellow, sometimes tinged red, obovate to oblanceolate, 6–8 mm;

stamens persistent, 70–95;

ovary 3-merous, placentation parietal.

broadly ovoid, 5–8 × 3.5–5 mm, with longitudinal vittae.

ellipsoid to globose, 4–7 × 3.5–5 mm.

not carinate, 0.8–1.1 mm;

testa linear-reticulate.

carinate, 0.6–0.7 mm;

testa scalariform-reticulate.

= 16.

= 16, 18.