Flora of North America species comparison

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

internodes 4-lined at first, soon 2-lined to 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, 35–50 × 3–11 mm, base articulated, narrowly cuneate to attenuate, margins recurved to revolute, apex apiculate-rounded to subacute, midrib with 12–14 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.

globose-cylindric to shortly and broadly pyramidal, 5–25-flowered from apical node, with 3–15-flowered dichasia from 1–3 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.

10–15 mm diam.;

sepals deciduous, not enclosing capsule, 5, narrowly elliptic to narrowly oblong or oblanceolate-spatulate, subequal to equal, (3.5–)4–4.5 × 0.8–1.5(–2) mm, basal veins 3–7;

petals 5, golden yellow, obovate-oblanceolate, 6–7(–8) mm;

stamens deciduous, 100–150;

ovary (3–)4–5-merous.

ovoid, 3–4 × 2–2.5 mm.

narrowly ovoid-conic to ovoid, 5.5–7 × 2.5–3.5 mm, notably lobed.

carinate, 0.7 mm;

testa not seen.

not carinate, 1.2–1.5 mm;

testa linear-reticulate.

= 18.