Flora of North America species comparison

orange-yellow, slender.

orange, slender to 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, paniculiform;

bracts at base of clusters 1, at base of pedicels 0(or 1), triangular, membranous, margins entire, apex acute.

(0.5–)1–5 mm.

0.3–2 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, 2.6–3.8 mm, fleshy, not papillate;

calyx reddish brown, campanulate, longer than corolla tube length, divided 1/3–3/4 its length, not reticulate or shiny, lobes triangular, bases not overlapping, margins entire, midvein carinate, apex acute;

corolla creamy yellow, drying reddish brown, 2.5–3.4 mm, tube campanulate, 1.2–1.6 mm, later saccate, globose, lobes erect to spreading, triangular, 1/3 corolla tube length, margins entire, apex acute, straight or inflexed;

infrastaminal scales oblong, 1.1–1.6 mm, equaling corolla tube length, bridged at 0.3–0.6 mm, truncate or distally irregularly denticulate or 3–7-fimbriate;

stamens exserted, shorter than corolla lobes;

filaments 0.3–0.4 mm;

anthers 0.3–0.4 × 0.2–0.3 mm;

styles filiform to slightly subulate, 0.6–1.4 mm, equaling or longer 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.

depressed-globose, 3–4 × 1.8–2.9 mm, ± thickened, not raised around relatively large interstylar aperture, usually translucent, surrounded by withered corolla, dehiscence circumscissile.

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

2–4, slightly obcompressed, subglobose, 1.3–1.6 × 1–1.4 mm, hilum area subterminal.

= 30.