Flora of North America species comparison

orange-yellow, slender.

yellowish to orange, medium.

loose to dense, corymbiform;

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

dense, glomerulate;

bracts at base of clusters 1, at base of pedicels and/or flowers 0 or 1, lanceolate to ovate, membranous, margins entire, apex acute to acuminate.

(0.5–)1–5 mm.

0–0.5(–1.5) mm.

5-merous, 2.5–4.5 mm, membranous, not papillate or corolla lobes papillate;

calyx yellow, cylindric to narrowly campanulate, equaling corolla tube length, divided 1/2 its length, not reticulate, ± glossy, lobes lance-ovate to lanceolate, bases not overlapping, margins entire, midvein not carinate, apex acute to acuminate;

corolla white, drying creamy white, 2.2–4 mm, tube cylindric-campanulate to obconic, 1.2–2 mm, not saccate, lobes spreading to reflexed, lance-oblong to lance-ovate, equaling corolla tube length, margins entire or irregular, apex acute to acuminate or cuspidate, sometimes appearing tridentate, straight;

infrastaminal scales oblong to obovate, 1–1.7 mm, 4/5 corolla tube length, bridged at 0.2–0.4 mm, rounded, uniformly densely fimbriate, fimbriae 0.1–0.3 mm;

stamens exserted at full anthesis, shorter than corolla lobes;

filaments 0.3–0.7 mm;

anthers 0.3–0.7 × 0.2–0.5 mm;

styles uniformly filiform, 0.4–0.9 mm, shorter than ovary.

5-merous, 2.7–3.4 mm, membranous, usually not papillate;

calyx usually yellow, campanulate, somewhat shorter than to equaling corolla tube length, divided 2/5–1/2 its length, not reticulate, shiny, lobes narrowly ovate to lanceolate, bases not overlapping, margins entire, midvein not carinate, apex acuminate;

corolla white, drying creamy white or yellow, 2.5–3.2 mm, tube cylindric-campanulate, 1.4–2.1 mm, saccate between lines of stamen attachments, lobes usually spreading, sometimes reflexed, lanceolate, shorter than corolla tube length, margins entire, apex acuminate, straight;

infrastaminal scales absent;

stamens ± exserted, shorter than corolla lobes;

filaments 0.2–0.5 mm;

anthers 0.2–0.5 × 0.2–0.4 mm;

styles filiform, 0.5–1(–1.5) mm, shorter than ovary.

ellipsoid-ovoid, 1.6–2.5 × 1.7–2.4 mm, thickened and raised around relatively small interstylar aperture, not translucent, surrounded or capped by withered corolla, indehiscent.

globose to depressed-globose, 1.8–2.2 × 2–2.6 mm, slightly thickened, not raised, around relatively small interstylar aperture, translucent, surrounded by, not completely enclosed by, withered corolla (top of capsule visible), indehiscent.

1, ± obcompressed, broadly ellipsoid to subglobose, 1.3–1.5 × 1.2–1.4 mm, hilum region subterminal.

2–4, obcompressed, subglobose to broadly ellipsoid, 0.8–1.3 × 0.8–1.1 mm, hilum region lateral.

= 30.