Flora of North America species comparison

internodes 4-lined.

internodes 4-lined at first, then terete.

blades oblong or elliptic to obovate, 4–25 × 2–12 mm, base not articulated, cuneate, margins plane, apex rounded, midrib with 2–4 pairs of branches.

blades narrowly oblong to oblanceolate or linear, (15–)20–45 × 3–7(–10) mm, base articulated, narrowly cuneate to subattenuate, margins subrecurved to revolute, apex rounded to obtuse, midrib with 9–14 pairs of branches.

1(–5)-flowered.

usually (1–)3–7(+)-flowered from apical node, rarely with flowers from 1–2 proximal nodes.

20–25 mm diam.;

sepals persistent, not enclosing capsule, 5, broadly elliptic to elliptic-spatulate or obovate, subequal, 4–5 × 2.5–3 mm;

petals 5, golden yellow, oblanceolate, 6–10.5 mm;

stamens persistent, 100;

ovary 3-merous.

20–35 mm diam.;

sepals deciduous, not enclosing capsule, (4–)5, elliptic or oblong to obovate, subequal, 4–9 × 1.5–5 mm;

petals (4–)5, golden yellow, obovate to oblong, 8–15 mm;

stamens deciduous, 150–200;

ovary (3–)5(–6)-merous.

ovoid to ovoid-cylindric, 8–12 × 5 mm.

narrowly ovoid-conic, 7–11 × 4–7 mm.

narrowly to broadly carinate, 1.5–2 mm;

testa finely foveolate-reticulate.

narrowly carinate, 0.7–1.1 mm;

testa subscalariform.

= 18.