Flora of North America species comparison

orange-yellow, slender.

orange-yellow, filiform.

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.

loose, corymbiform;

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

(0.5–)1–5 mm.

0.5–2.5(–3) 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, 0.9–1.1(–1.5) mm, fleshy, corolla lobes papillate;

calyx brownish yellow, angled, cupulate, equaling corolla tube length, divided 1/2–2/3 its length, ± reticulate, rarely shiny, lobes broadly ovate-rhombic, bases ± auriculate, overlapping, forming prominent angles at sinuses, margins entire, midvein ± carinate, apex rounded;

corolla white, drying cream to brownish, 0.9–1.2 mm, tube campanulate, 0.5–0.7 mm, not saccate, lobes reflexed, triangular-ovate, equaling corolla tube length, margins entire, apex subacute to acute, inflexed;

infrastaminal scales narrowly oblong to obovate, 0.6–0.9 mm, equaling or longer than corolla tube length, bridged at 0.2–0.3 mm, rounded, sparsely fimbriate, fimbriae 0.1–0.3 mm;

stamens exserted, slightly shorter than corolla lobes;

filaments 0.1–0.2 mm;

anthers 0.2–0.3 × 0.2–0.3 mm;

styles filiform, 0.5–0.9 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 ovoid, 1.2–2.3 × 1.2–1.6 mm, not thickened around relatively small to moderately large interstylar aperture, ± translucent, withered corolla enveloping 1/4–1/3 of base, indehiscent.

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

1 or 2, subglobose, with longitudinal groove on adaxial face, 0.9–1.1 × 0.8–1.1 mm, hilum region terminal.

= 30.