Flora of North America species comparison

orange-yellow, slender.

yellow to orange, coarse.

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), ovate to broadly triangular, membranous, margins entire, apex acute to obtuse.

(0.5–)1–5 mm.

0.9–7 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, 2–3.5(–4.4) mm, membranous, not papillate;

calyx brownish, campanulate, to 1/2 corolla tube length, divided 1/2–2/3 its length, not reticulate or shiny, lobes ovate, bases overlapping, margins entire or serrulate, midvein not carinate, apex obtuse to rounded;

corolla creamy white, drying creamy brownish, 2–4 mm, tube campanulate, 1.7–2.3(–2.7) mm, not saccate, lobes spreading to reflexed, ovate to broadly triangular-ovate, 1/4–1/3 corolla tube length, margins entire, apex rounded to obtuse, straight;

infrastaminal scales broadly oblong, 1.2–2 mm, (1/3–)1/2 corolla tube length, bridged at 0.5–1 mm, ± truncate to 2-lobed apically, fimbriate mostly in distal 1/2, fimbriae 0.2–0.6 mm;

stamens exserted, shorter than corolla lobes;

filaments 0.4–0.7 mm;

anthers 0.3–0.6 × 0.2–0.4 mm;

styles slender, 0.3–0.9 mm, 1/4 ovary length, slightly thickened at base.

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.

ovoid to globose-conic or subobpyriform, 3.5–6.5(–7) × 3–5(–6) mm, raised and thickened around relatively small interstylar aperture, apex rarely narrowed into neck to 1 mm, not translucent, surrounding capsule or capped by withered corolla, indehiscent.

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

3 or 4, obcompressed to obscurely angled, broadly ellipsoid to obovoid, 1.8–2.5(–2.8) × 1.5–1.6 mm, hilum region subterminal.

= 30.