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.

(main stem) spreading to appressed, sessile;

blade usually broadly to narrowly ovate, rarely elliptic or lanceolate, 4–20 × 5–15(–18) mm, mostly shorter than internodes, leathery, margins plane, apex acute to subrounded, densely gland-dotted, basal veins 1–5, if 1, midrib with 2–3 pairs of branches.

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

broadly pyramidal to corymbiform, to 25-flowered, branching mostly dichasial.

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.

5–13 mm diam.;

sepals ovate or lanceolate to elliptic or obovate, subequal, 3–8 × 1.5–4 mm, margins sometimes ciliate, not setulose-ciliate, apex acute;

petals orange-yellow, obovate, 5–10 mm;

stamens 50–80, irregularly grouped;

styles 2–4 mm;

stigmas clavate.

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

ovoid to rostrate-subglobose, 3–5 × 2–3 mm.

1.5–2 mm, narrowly winged;

testa linear-reticulate to linear-foveolate.

0.4–0.7 mm;

testa obscurely linear-reticulate to finely ribbed-scalariform.

= 40.