Flora of North America species comparison

orange-yellow, slender.

yellow 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, corymbiform or 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.

(0.5–)1–5 mm.

0.3–2.5(–3.5) 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.

(4 or)5-merous, 1.9–3.6 mm, membranous, not papillate;

calyx yellow, cupulate, equaling corolla tube length, divided 2/5–3/5 its length, reticulate, shiny, lobes ovate-triangular, bases overlapping, margins entire, midvein not carinate, without multicellular protuberances, apex obtuse to rounded;

corolla creamy white, drying creamy or golden yellow, 2–3.5 mm, tube campanulate, (1.1–)1.5–1.9 mm, not saccate, lobes spreading, triangular to triangular-lanceolate, equaling corolla tube length, margins entire, apex acute to acuminate, inflexed;

infrastaminal scales oblong-ovate to spatulate, rounded, 1.5–2 mm, equaling or exceeding corolla tube length, bridged at 0.3–0.5 mm, uniformly densely fimbriate, fimbriae 0.3–0.4(–0.5) mm;

stamens exserted, shorter than corolla lobes;

filaments 0.4–0.7 mm;

anthers (0.3–)0.4–0.5 × 0.2–0.3 mm;

styles filiform, 0.5–1.6 mm, shorter than to equaling 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.

depressed-globose to depressed, 1.3–2.8 × 1.9–3.8 mm, not thickened or raised around relatively large interstylar aperture, sometimes translucent, to 1/3 enveloped by withered corolla, indehiscent.

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

4, angled, subglobose to broadly ellipsoid, 1.1–1.5 × 0.9–1.1 mm, hilum region subterminal.

= 30.

= 56.