Flora of North America species comparison

internodes 4-angled.

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

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.

blades narrowly oblong to oblanceolate or linear, 35–50 × 3–11 mm, base articulated, narrowly cuneate to attenuate, margins recurved to revolute, apex apiculate-rounded to subacute, midrib with 12–14 pairs of branches.

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

globose-cylindric to shortly and broadly pyramidal, 5–25-flowered from apical node, with 3–15-flowered dichasia from 1–3 proximal nodes.

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.

10–15 mm diam.;

sepals deciduous, not enclosing capsule, 5, narrowly elliptic to narrowly oblong or oblanceolate-spatulate, subequal to equal, (3.5–)4–4.5 × 0.8–1.5(–2) mm, basal veins 3–7;

petals 5, golden yellow, obovate-oblanceolate, 6–7(–8) mm;

stamens deciduous, 100–150;

ovary (3–)4–5-merous.

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

narrowly ovoid-conic to ovoid, 5.5–7 × 2.5–3.5 mm, notably lobed.

0.5–0.6 mm;

testa linear-scalariform.

not carinate, 1.2–1.5 mm;

testa linear-reticulate.

= 16.

= 18.