Flora of North America species comparison

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

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.

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

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.

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

not carinate, 0.8 mm;

testa reticulate.