Flora of North America species comparison

internodes 4-lined.

internodes 4-lined.

blades oblong-ovate to triangular-lanceolate, 8–40 × (5–)7–20 mm, base articulated, subcordate-amplexicaul, margins recurved, apex rounded, midrib with 3 or 4 pairs of branches.

erect to suberect, sessile;

blade linear or linear-subulate to linear-lanceolate, 5–22 × 0.5–1 mm, subcoriaceous, margins recurved to revolute, apex acute to obtuse, basal vein 1, midrib unbranched.

hemispheric to ± flat-topped, 7–30-flowered, widely branched, with flowers or flowering branches from to 3 proximal nodes.

narrowly to broadly triangular, 1–12-flowered, branching mostly monochasial.

15–25 mm diam.;

sepals persistent, not enclosing capsule, 5, ovate to lanceolate, unequal to subequal, 5–8 × 2–4.5 mm;

petals 5, bright yellow, obovate to oblong-lanceolate, 8–15 mm;

stamens deciduous, 200;

ovary 3(–4)-merous.

5–8 mm diam.;

sepals narrowly oblong to linear-lanceolate, subequal, 3–7 × 0.7–1.3 mm, apex acute;

petals golden yellow to orange-yellow, oblong, 4–7 mm;

stamens 10–22, separate or obscurely 3-fascicled;

styles (0.5–)0.8–1.5 mm;

stigmas broadly capitate.

pyramidal-ovoid, 5–6 × 3–4 mm.

narrowly ovoid to ovoid-cylindric, 3.5–7 × 2.5–3 mm, length 1–1.2 times sepals.

narrowly carinate, 1 mm;

testa shallowly linear-reticulate.

0.9–1.1 mm;

testa finely scalariform.

= 18.

= 24.