Flora of North America species comparison

yellow to orange, slender to medium.

yellowish to reddish, medium to coarse.

dense, corymbiform to glomerulate;

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

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

0.5–3(–4.5) mm.

0–1.5 mm.

(4 or)5-merous, 1.4–2.5 mm, membranous, corolla lobes sometimes papillate;

calyx yellow to brown, angled, cupulate, equaling corolla tube length, divided 1/2–2/3 its length, ± reticulate, shiny or not, lobes broadly ovate to rhombic, base auriculate, overlapping, forming prominent angles at sinuses, margins entire, midvein not carinate, without multicellular protuberances, apex rounded;

corolla whitish, drying yellow to brown, 1.2–2.2 mm, tube campanulate, 0.7–1.2 mm, not saccate, lobes spreading, triangular-lanceolate, equaling corolla tube length, margins entire, apex acute to acuminate, inflexed;

infrastaminal scales ovate to oblong, 0.7–1.4 mm, equaling or longer than corolla tube length, bridged at 0.3–0.5 mm, rounded, ± uniformly densely fimbriate, 0.15–0.25 mm;

stamens exserted, shorter than corolla lobes;

filaments 0.3–0.4 mm;

anthers 0.2–0.3 × 0.2–0.3 mm;

styles filiform, 0.7–1.1 mm, equaling 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 to ovoid, 1.9–2.4 × 1.6–2.5 mm, not thickened or raised around relatively medium-sized to large interstylar aperture, translucent or not, 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.

4, angled, subglobose to broadly ellipsoid, 0.9–1.1 × 0.8–1 mm, hilum region subterminal.

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

= 56.

= 14.