Flora of North America species comparison

internodes 4-lined at first, then 2-lined to terete.

internodes 4-angled.

blades linear-elliptic or linear-oblong to linear, 20–35 × 3–5 mm (main stem), base not articulated, narrowly cuneate to rounded, margins recurved to revolute, apex obtuse to acute, midrib unbranched.

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.

obconic, (1–)3–20-flowered, ± widely branched, sometimes with single flowers at immediately proximal nodes.

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

15–20 mm diam.;

sepals persistent, not enclosing capsule, 5, ovate-lanceolate to lanceolate, ± foliaceous, unequal, 5–8(–15) × 2–3(–8)mm;

petals 5, yellow, curved-dolabriform, 10–13 mm;

stamens deciduous, 120–200;

ovary 3-merous.

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.

ovoid-conic, rostrate, 4–9 × 3–4 mm.

± narrowly ovoid-conic, 4–9 × 2–4 mm.

carinate, 1.5–1.8 mm;

testa reticulate-scalariform.

0.5–0.7 mm;

testa finely linear-scalariform.

= 18.