Flora of North America species comparison

yellow-orange, slender to medium.

yellowish to reddish, medium to coarse.

dense, glomerulate;

bracts at base of clusters 1, at base of pedicels 0–1, ovate-triangular to lanceolate, membranous, margins entire, apex acute.

bracts ovate to lanceolate, membranous, margins entire, apex obtuse to acute.

0–1 mm.

0–1.5 mm.

(3 or)4-merous, 2–2.7 mm, membranous, not papillate;

calyx brownish yellow, cupulate, equaling corolla tube length, divided 1/2–2/3 its length, not reticulate or shiny, lobes triangular-ovate, bases not overlapping, margins entire, midvein not carinate, without hornlike appendages, apex obtuse to rounded;

corolla white, drying yellow-brown, 1.8–2.5 mm, tube cupulate to shallowly campanulate, 1–1.4 mm, not saccate, lobes erect, triangular, equaling or longer than corolla tube length, margins entire, apex acute, inflexed;

infrastaminal scales usually well developed, sometimes poorly developed, oblong, 0.8–1.2 mm, shorter than to equaling corolla tube length, bridged at 0.1–0.2 mm, mostly shallowly 2-fid with 1–3 fimbriae on each side of filament attachment or irregularly fimbriate at apex, fimbriae (0.05–)0.1–0.3 mm;

stamens exserted, shorter than to ± equaling corolla lobes;

filaments 0.4–0.8 mm;

anthers 0.3–0.4 × 0.2–0.3 mm;

styles subulate, 0.4–0.9 mm, shorter than ovary.

4(or 5)-merous, 3–5 mm, fleshy;

papillae absent;

calyx creamy yellow to brownish, cupulate to obconic, shorter than to equaling corolla tube length, divided 1/2–3/4 its length, not reticulate or shiny, lobes ovate to triangular-ovate, bases not overlapping, margins entire, apex obtuse to rounded;

corolla white or pink, drying yellow-brown, campanulate to urceolate, 2.2–4.7 mm, tube 1.7–3.3 mm, not saccate, lobes usually erect, sometimes spreading, triangular-ovate, 1/3–1/2 corolla tube length, margins entire, apex obtuse to truncate, straight;

infrastaminal scales oblong, often 2-fid, 1–1.2 mm, 1/2 corolla tube length, bridged at 0.4–0.6 mm, short-fimbriate apically, fimbriae 0.1–0.3 mm;

stamens included, shorter than corolla lobes;

filaments 0.2–0.5 mm;

anthers 0.2–0.5 × 0.2–0.4 mm;

styles terete;

style plus stigmas 0.6–1.2 mm, shorter than ovary;

stigmas cylindric to clavate, 0.3–0.6 mm, shorter than to equaling styles.

depressed-globose, often appearing angled, 1.6–3 × 2.5–5 mm, not thickened or raised around relatively large interstylar aperture, not translucent, base ± enveloped by withered corolla, indehiscent.

ovoid, globose-conic, or pyriform, 1.6–4 × 2–4 mm, not thickened or raised around interstylar aperture, ± translucent, capped by withered corolla.

3 or 4, obcompressed, subglobose or broadly ovoid to broadly ellipsoid, 1.4–1.6 × 1.2–1.3 mm, hilum region subterminal.

2–4, angled, subglobose, broadly ellipsoid, or ovoid, 1.2–1.5 × 0.9–1.3 mm, hilum region terminal.

= 14.