Flora of North America species comparison

internodes 4-lined.

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

(main stem) ascending to spreading, sessile;

blade lanceolate to oblong-elliptic or obovate, 10–30(–50) × 3–8(–12) mm, on main stem, longer than internodes, leathery, margins plane, apex usually acute to acuminate, rarely obtuse, basal veins 1–3+, midrib with 2–3 pairs of inconspicuous branches.

blades narrowly elliptic-oblong or oblanceolate to linear, 20–45 × 2–7 mm, base articulated, narrowly cuneate to attenuate, margins recurved to revolute, apex apiculate-rounded to subacute, midrib with 14–17 pairs of branches.

broadly cylindric to corymbiform, 25–70-flowered, branching mostly dichasial, subsidiary branches with or without relatively smaller leaves.

broadly pyramidal to broadly cylindric, 5–25-flowered from apical node, with (2–)5–15-flowered dichasia from 1–2 proximal nodes.

8–13 mm diam.;

sepals narrowly ovate to lanceolate, equal, 3–3.5 × 1.5–2.5 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.

10–17(–20) mm diam.;

sepals deciduous, not enclosing capsule, 5, narrowly oblong to oblanceolate-spatulate, unequal or subequal, 4–6 × 1–1.5 mm, basal veins 1–3;

petals 5, deep golden yellow, obovate-oblanceolate, 6–9 mm;

stamens deciduous, 100–150;

ovary 3–4(–5)-merous.

ovoid to rostrate-subglobose, 3–5 × 2–3 mm.

narrowly ovoid conic to cylindric-ovoid, 5–6(–7) × 2–3 mm, not or scarcely lobed.

(0.5–)0.6–0.8(–0.9) mm;

testa reticulate.

not carinate, 0.8–1.3 mm;

testa linear-reticulate.

= 24.

= 18.