Flora of North America species comparison

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

internodes 4-lined at first, becoming 2-winged, then terete.

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

blades linear or linear-subulate, 9–26 × 0.5–1.5 mm, base articulated, narrowly cuneate or parallel, margins revolute, apex rounded or acute to long-acuminate with prominent hydathode, midrib unbranched.

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

pedicels 0.5 mm.

narrowly to broadly cylindric, 3–15-flowered, sometimes with 1–3(–7)-flowered dichasia from to 6 proximal nodes, sometimes with 1–2 pairs of additional flowering branches.

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.

10–18 mm diam.;

sepals deciduous, not enclosing capsule, 5, linear-subulate, unequal to subequal, 3.5–7 × 0.4–0.8 mm;

petals 5, yellow, obovate to elliptic-lanceolate, (5–)6–10 mm;

stamens deciduous, 50–80(–115);

ovary 3-merous;

styles shorter than ovaries.

ovoid, 3–4 × 2–2.5 mm.

narrowly conic to cylindric, (4.5–)5–7 × (1.3–)2–3 mm.

carinate, 0.7 mm;

testa not seen.

scarcely carinate, 0.5 mm;

testa finely reticulate.