Flora of North America species comparison

internodes 4-lined at first, then terete.

internodes 4-lined.

spreading, sessile;

blade narrowly elliptic to narrowly elliptic-oblong, 20–70 × 5–15 mm, (proximal usually narrower), base narrowly cuneate to subangustate, margins plane, apex acute to apiculate-obtuse, midrib with 8–12 pairs of branches, tertiary veins densely reticulate toward margins.

appressed, sessile;

blade narrowly triangular-subulate to linear-subulate, scalelike, 1–4 × 0.4–0.6 mm, subcoriaceous to chartaceous, margins incurved, apex obtuse to rounded, basal vein 1, midrib unbranched.

broadly rounded-pyramidal to broadly cylindric, to 30-flowered.

usually pyramidal, 1–24-flowered, branching mostly monochasial.

sepals lanceolate, unequal, 3–4.5 × 1–2.2 mm;

petals bright yellow, not red-tinged, oblanceolate-unguiculate, 12–17 mm;

anther gland yellow to orange;

styles widely spreading, 8–14 mm.

3–5 mm diam.;

sepals lanceolate to narrowly oblong or linear-lanceolate, unequal, 1.5–2.5 × 0.4–0.8 mm, apex acute;

petals orange-yellow to golden yellow, oblong, 2–4 mm;

stamens 5–11, 5 separate or obscurely 5-grouped;

styles 0.8–1.2 mm;

stigmas broadly capitate.

pyramidal-ovoid to ovoid-ellipsoid, 9–12 × 7–8 mm.

narrowly cylindric-conic, 4–5 × 1–1.2 mm, length 2–2.7 times sepals.

1.5–2 mm, narrowly winged;

testa linear-reticulate to linear-foveolate.

0.4–0.8 mm;

testa markedly ribbed-scalariform.

= 40.

= 24.