Flora of North America species comparison

internodes 4-lined.

internodes 4-lined at first, eventually 2-lined.

ascending to deflexed, sessile;

blade narrowly oblong-elliptic (proximal) or lanceolate to linear-lanceolate, 10–30 × 3–8 mm, mostly longer than internodes, not or scarcely smaller distally, leathery, margins plane, apex acute, basal or near-basal veins 1–3(–5), midrib with 0–2 pairs of branches.

blades narrowly oblong or oblanceolate to linear, 5–15 × 1–3 mm, base not articulated, rounded to cuneate, margins recurved to subrevolute, apex rounded to obtuse, midrib with 1–3 pairs of branches.

broadly pyramidal to subcorymbiform, 1(–30)-flowered, branching mostly dichasial.

rounded-pyramidal, 1–3-flowered, narrowly branched, sometimes with 1–3-flowered dichasia or branches from to 4 proximal nodes.

4–10 mm diam.;

sepals lanceolate, usually unequal, 3–5 × 0.8–1 mm, margins sometimes ciliate, not setulose-ciliate, apex acute to acuminate;

petals orange-yellow, obovate, 6–10 mm;

stamens 50–80, irregularly grouped;

styles 2–4 mm;

stigmas capitate.

15–25 mm diam.;

sepals persistent, not enclosing capsule, (3–)4(–5), oblong or elliptic-oblong to linear, subequal or equal, 3–5 × 1–1.4 mm;

petals (3–)4(–5), bright yellow, obovate (larger pair) to obovate-oblong (smaller pair), 10–12 mm;

stamens persistent, 60–70;

ovary 3-merous, placentation parietal.

ellipsoid to rostrate-subglobose, 3–4.5 × 2–2.5 mm.

cylindric-ellipsoid to narrowly ovoid-conic, 6–8 × 2.5 mm.

0.5–0.6(–0.7) mm;

testa obscurely linear-reticulate to irregularly reticulate.

not carinate, 0.9–1 mm;

testa linear-foveolate.

= 24.

= 18.