Flora of North America species comparison

internodes 4-angled.

internodes 2-winged.

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 oblanceolate or narrowly oblong or elliptic to linear, 7–25 × 1–8.5 mm, base not articulated, usually cuneate, sometimes rounded, with glandlike auricles, margins subrecurved, apex rounded to obtuse, midrib with 1–2 pairs of branches.

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

narrowly cylindric to pyramidal, 1–12-flowered from 1–4 nodes, sometimes with branches from to 10 proximal nodes, or branching more elaborate and pseudodichotomous;

pedicels erect in fruit, bracteoles distal.

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.

10–20 mm diam.;

sepals persistent, enclosing capsule, 4, unequal, outer ovate-suborbiculate to narrowly elliptic, 5–12.5 × 2–13 mm, apex subapiculate to obtuse, inner lanceolate, 1–4 × 2 mm, apex acute;

petals 4, bright to pale yellow, obovate to narrowly oblong-elliptic, 6–12 mm;

stamens persistent, 40–50;

ovary 2-merous.

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

narrowly compressed-ovoid to cylindric-ellipsoid, 5–9 × 2–4 mm.

0.5–0.6 mm;

testa linear-scalariform.

not carinate, 0.6–0.8 mm;

testa finely linear-reticulate to linear-foveolate.

= 16.