Flora of North America species comparison

internodes 4-angled.

internodes 4-lined.

spreading, sessile or subamplexicaul;

blade ovate or orbiculate to elliptic or oblanceolate (proximal) or oblong (distal), 3–13 × 1.5–8.5 mm, papery to membranous, margins plane, apex rounded, basal veins 3–5(–7), distally looped, midrib unbranched.

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.

loosely corymbiform, 1–14-flowered, branching mostly dichasial.

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

3–5(–8) mm diam.;

sepals usually narrowly elliptic-oblong to oblanceolate-spatulate, rarely obovate, unequal, 2–4 × 0.9–2 mm, margins sometimes ciliate, not setulose-ciliate, apex subacute to rounded;

petals golden yellow to salmon-orange, oblanceolate, (1.7–)3.5–5 mm;

stamens (5–)12–15(–25), separate or obscurely 3-fascicled;

styles 0.5–2 mm;

stigmas scarcely capitate.

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.

ellipsoid to cylindric or subglobose, 2.5–5 × 1.7–2.5 mm.

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

0.5–0.6 mm;

testa linear-scalariform.

0.9–1.1 mm;

testa finely scalariform.

= 16.

= 24.