Flora of North America species comparison

internodes (4-) or 6-lined at first, then terete.

internodes 4-lined at first, then terete.

blades linear-subulate, 13–25 × 0.5–0.8 mm, base articulated, parallel, margins revolute, apex rounded to retuse, midrib unbranched.

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.

narrowly pyramidal, 1–3-flowered, with 1–3(–5)-flowered dichasia from to 5 proximal nodes, without additional flowering branches;

pedicels 0.5 mm.

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

12–14 mm diam.;

sepals deciduous, not enclosing capsule, 5, linear-subulate, unequal, (3–)4.5–7 × 0.5–0.8 mm;

petals 5, golden yellow, oblanceolate-oblong, 5–7.5 mm;

stamens deciduous, 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, 3–4 × 2–2.5 mm.

narrowly ovoid-conic, 7–11 × 4–7 mm.

carinate, 0.7 mm;

testa not seen.

narrowly carinate, 0.7–1.1 mm;

testa subscalariform.

= 18.