Flora of North America species comparison

internodes 4-angled.

internodes (at least some) 4-lined, without black glands.

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.

spreading, sessile or petiolate (to 0.5 mm);

blade narrowly elliptic or narrowly oblong to linear, usually conduplicate, sometimes falcate, 13–22 × 1.5–8 mm, base cuneate, margins plane, apex acute to subacute, midrib with 2–4 pairs of branches, black glands marginal.

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

subcapitate to cylindric, 1–7-flowered.

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.

20–35 mm diam.;

sepals markedly imbricate, spreading in fruit, broadly to narrowly ovate, unequal, 6–9 × 2–3 mm, apex acute to acuminate;

petals yellow, obovate or oblong-obovate, (10–)12–15 mm;

stamens 40–80(–100);

anther gland amber;

styles 6–9 mm.

± narrowly ovoid-conic, 4–9 × 2–4 mm.

ovoid, 6–9 × 4–4.5 mm, with longitudinal vittae.

0.5–0.7 mm;

testa finely linear-scalariform.

not carinate, 1 mm;

testa minutely and shallowly pitted.

= 16.