Flora of North America species comparison

internodes 4-lined at first, soon 4-angled, then terete, dull silvery, glaucous.

internodes (2–)4-lined at first, then 2-lined to terete.

blades linear-subulate to acicular, (9–)12–17 × 0.5–0.8 mm, glaucous, base articulated, parallel or almost so, margins revolute, apex obtuse to rounded, midrib unbranched.

blades oblong-ovate to ovate or triangular-ovate, 5–35 × 4–15 mm, base articulated, cordate-amplexicaul, margins subrecurved, apex apiculate or obtuse to rounded, midrib with 1 pair of branches.

narrowly cylindric, 1–3-flowered, usually with paired flowers or triads from to 9 proximal nodes.

terminal, 1(–3)-flowered, branching from apical node pseudodichotomous, sometimes with relatively short branches from to 3 proximal nodes.

20 mm diam.;

sepals deciduous, not enclosing capsule, 5, linear-subulate, subequal, 7–8 × 0.5–0.8 mm, glaucous;

petals 5, bright yellow, obovate-spatulate, 10–12 mm;

stamens deciduous, 170–220;

ovary 3-merous;

styles 5 mm.

20–30 mm diam.;

sepals persistent, enclosing capsule, 4, unequal, outer broadly ovate, 7–15 × 5.5–10 mm, apex subapiculate to obtuse, inner narrowly lanceolate, 7–15 × 2–3 mm, apex acute;

petals 4, bright yellow, obovate-oblong, 10–15 mm;

stamens persistent, 100;

ovary 3-merous.

narrowly ovoid to ellipsoid, 6–7 × 2.5–3.5 mm.

broadly ellipsoid-ovoid to subglobose, 5–6 × 3.5–4 mm.

narrowly carinate, 1–1.6 mm;

testa coarsely reticulate-sulcate.

not carinate, 0.7 mm;

testa shallowly scalariform.

= 18.

= 18.