Flora of North America species comparison

internodes 4-angled.

internodes 4-angled.

spreading, sessile or distal subamplexicaul;

blade lanceolate to narrowly oblong-elliptic or (proximal) oblanceolate, 10–45 × (2–)6–12 mm, papery to membranous, margins plane, apex acute to rounded, basal or near-basal veins (3–)5–7, midrib with to 4 pairs of branches.

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.

corymbiform to cylindric, 3–30-flowered, usually compact, branching mostly dichasial.

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

6–7 mm diam.;

sepals lanceolate to narrowly elliptic, equal, 3.5–6.5 × 0.8–1.5 mm, margins sometimes ciliate, not setulose-ciliate, apex acute;

petals golden yellow, sometimes red-veined, oblanceolate, 3.5–6 mm;

stamens 12–21, obscurely 5-fascicled;

styles 0.6–1 mm;

stigmas broadly capitate.

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.

narrowly conic-ellipsoid, 4–8 × 2.5–3.5 mm, broadest proximal to middle.

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

0.5–0.7 mm;

testa finely linear-scalariform.

0.5–0.6 mm;

testa linear-scalariform.

= 16.

= 16.