Flora of North America species comparison

internodes 4-lined at first, then 4-angled.

spreading, sessile, amplexicaul;

blade ovate-lanceolate to lanceolate or oblong, 40–85 × 18–37 mm on main stem, smaller distally and on branches, base rounded to cordate, margins plane, apex usually acute to apiculate, sometimes obtuse, midrib with 4–7 pairs of branches, tertiary veins densely reticulate toward margins.

persistent (base not articulated).

cylindric to narrowly pyramidal, 1–35-flowered.

sepals ovate to lanceolate or oblong-elliptic, subequal or equal, 8–13 × 4–8 mm, apex acute to acuminate;

petals golden yellow, sometimes red-tinged, narrowly obovate to oblanceolate-falcate, 25–40 mm;

styles (4–)5, 3–7 mm.

40–70 mm diam.;

sepals persistent, 5;

petals persistent, 5;

stamens persistent, 150, in 5 fascicles, fascicles usually distinct, rarely 1 pair connate;

ovary (4–)5-merous;

placentation axile;

styles ± appressed, bases ± connate or distinct;

stigmas ± broadly capitate.

ovoid, 12–20(–30) × 10–13 mm.

1.5 mm, narrowly winged;

testa shallowly linear-reticulate.

± carinate.