Flora of North America species comparison

internodes 4-lined.

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

ascending to deflexed, sessile;

blade narrowly oblong-elliptic (proximal) or lanceolate to linear-lanceolate, 10–30 × 3–8 mm, mostly longer than internodes, not or scarcely smaller distally, leathery, margins plane, apex acute, basal or near-basal veins 1–3(–5), midrib with 0–2 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.

broadly pyramidal to subcorymbiform, 1(–30)-flowered, branching mostly dichasial.

subcapitate to cylindric, 1–7-flowered.

4–10 mm diam.;

sepals lanceolate, usually unequal, 3–5 × 0.8–1 mm, margins sometimes ciliate, not setulose-ciliate, apex acute to acuminate;

petals orange-yellow, obovate, 6–10 mm;

stamens 50–80, irregularly grouped;

styles 2–4 mm;

stigmas 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.

ellipsoid to rostrate-subglobose, 3–4.5 × 2–2.5 mm.

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

0.5–0.6(–0.7) mm;

testa obscurely linear-reticulate to irregularly reticulate.

not carinate, 1 mm;

testa minutely and shallowly pitted.

= 24.

= 16.