Flora of North America species comparison

internodes 4-lined.

internodes 4-lined.

ascending to widely spreading, sessile;

blade narrowly lanceolate (linear-lanceolate on axillary branches), 10–40(–55) × 5–10(–13) mm, longer than internodes, leathery, margins plane, apex acute to acuminate, densely gland-dotted, basal vein 1, midrib with inconspicuous branches.

appressed, sessile;

blade linear-subulate, (1–)2.5–4 × 0.2–0.3 mm, subcoriaceous, margins incurved, apex acute, basal vein 1, midrib unbranched.

cylindric, to 40-flowered; branching mostly dichasial, subsidiary branches usually with relatively smaller leaves.

subcorymbiform, to 13-flowered, branching mostly dichasial.

8–15+ mm diam.;

sepals lanceolate, unequal (outer slightly wider than inner), 3–6(–7.5) × 1.1–1.8(–2.2) mm, margins sometimes ciliate, not setulose-ciliate, apex acute or acuminate;

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

stamens 50–80, filaments basally connate;

styles 2–4 mm;

stigmas capitate.

3–4 mm diam.;

sepals ovate to elliptic or narrowly oblong, unequal, 1.5–2 × 0.6–1 mm, margins sometimes ciliate, not setulose-ciliate, apex acute to subacute;

petals yellow, obovate-oblong, 3.5–5 mm;

stamens 20–25, irregularly arranged;

styles 1.5–2 mm;

stigmas capitate.

ovoid, 5 × 3–4 mm.

narrowly ovoid-conic, subrostrate, 3.5–6 × 1–1.5 mm.

0.4–0.8 mm;

testa linear-pitted.

0.5–0.6 mm;

testa scalariform-reticulate.

= 24.

= 12.