Flora of North America species comparison

internodes 4-angled.

internodes 4-lined at first, then terete.

erect to spreading, sessile;

blade linear-oblong or linear-lanceolate to linear, 5–33 × 0.5–2 mm, leathery, margins plane to revolute, apex acute, basal veins 1(–3), midrib with (0–)1–3 pairs of branches.

blades narrowly oblong to oblanceolate or linear, (15–)20–45 × 3–7(–10) mm, base articulated, narrowly cuneate to subattenuate, margins subrecurved to revolute, apex rounded to obtuse, midrib with 9–14 pairs of branches.

narrowly V-shaped, 1–50-flowered, branching mostly dichasial.

usually (1–)3–7(+)-flowered from apical node, rarely with flowers from 1–2 proximal nodes.

10–15 mm diam.;

sepals narrowly oblong to narrowly lanceolate, subequal to unequal, 3–7 × 0.8–1.6 mm, margins sometimes ciliate, not setulose-ciliate, apex acute;

petals golden yellow to orange-yellow, red-tinged , oblanceolate to obovate, 6–10 mm;

stamens 35–50, irregularly 3-fascicled;

styles 2.5–5 mm;

stigmas broadly capitate.

20–35 mm diam.;

sepals deciduous, not enclosing capsule, (4–)5, elliptic or oblong to obovate, subequal, 4–9 × 1.5–5 mm;

petals (4–)5, golden yellow, obovate to oblong, 8–15 mm;

stamens deciduous, 150–200;

ovary (3–)5(–6)-merous.

± narrowly ovoid-conic, 4–9 × 2–4 mm.

narrowly ovoid-conic, 7–11 × 4–7 mm.

0.5–0.7 mm;

testa finely linear-scalariform.

narrowly carinate, 0.7–1.1 mm;

testa subscalariform.

= 18.