Flora of North America species comparison

yellow, slender.

yellow-orange, often with purple spots, medium to coarse.

loose, umbelliform;

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

spikes, racemes, or loose panicles, with 1–3(–7)-flowered cymes, flowers sessile or subsessile;

bracts at base of clusters and flowers 1(or 2), broadly ovate, membranous, margins entire, apex obtuse.

0–2 mm.

0–1 mm.

4- or 5-merous, 2.8–3.3 mm, membranous, not papillate;

calyx slightly zygomorphic, creamy yellow, broadly campanulate, 1-1/3–1-1/2 corolla tube length, divided 1/2–3/5 its length, not reticulate or shiny, lobes ovate, bases not overlapping, margins entire, midvein not carinate, apex long-attenuate;

corolla white, drying creamy yellow, 2.6–3 mm, tube campanulate, 1.2–1.5 mm, not saccate, lobes suberect, triangular-ovate, longer than corolla tube length, margins entire, apex lance-attenuate, straight;

infrastaminal scales relatively poorly developed, oblong, 0.6–1 mm, 1/2–3/4 corolla tube length, bridged at 0.2–0.3 mm, usually reduced to denticulate wings, rarely 2-fid with 1–3 fimbriae on each side of filament attachments, 0.1–0.2 mm;

stamens included or barely visible through corolla sinuses, shorter than corolla lobes;

filaments 0.2–0.5 mm;

anthers 0.2–0.4 × 0.2–0.3 mm;

styles terete to slightly subulate, 0.3–0.7 mm, 1/4 ovary length.

5-merous, 3–7 mm, fleshy, not papillate;

calyx creamy white, drying yellow-brown, cupulate, 1/3–1/2 corolla tube length, divided 2/3 its length, not reticulate or shiny, lobes orbiculate to ovate, bases overlapping, margins entire, not partly hyaline, midvein carinate or not, apex acute to obtuse;

corolla greenish white to pink, drying creamy yellow, 2.6–6.8 mm, tube cylindric, 2–4.3 mm, not saccate, lobes erect to spreading, ovate to ovate-triangular, 1/3–1/2 tube length, margins irregularly crenulate or entire, apex rounded to obtuse;

infrastaminal scales oblong to ovate, 1.8–2.8 mm, 1/2 to equaling corolla tube length, bridged at 0.4–0.1 mm, rounded, with dense, thin fimbriae, 0.1–0.3 mm on margins;

stamens included, shorter than corolla lobes;

filaments 0–0.1 mm;

anthers 0.6–1.1 × 0.5–0.7 mm;

styles 1, not distally 2-fid or separable, 1–1.6 mm, equaling or longer than ovary, longer than stigma;

stigmas globose, ellipsoid, ovoid, obovoid, conic, or ± cuboid, 0.1–0.6 mm.

ellipsoid-ovoid, ovoid-conic, or globose to depressed-globose, 2–3.2 × 2–3.6 mm, not thickened or raised around relatively small interstylar aperture, translucent, proximal 1/2 surrounded by withered corolla, indehiscent.

ovoid to helmet-shaped, 4.5–5.5(–7) × 3–3.6(–5) mm, not translucent, capped by withered corolla.

2–4, obcompressed, subglobose, 0.8–1.1 × 0.8–1 mm, hilum subterminal.

1–3, broadly ellipsoid to obovoid, slightly obcompressed, 2.5–2.8 × 1.1–1.7 mm, hilum region terminal.