Flora of North America species comparison

not branching or with branch in axil of cauline leaf, straight, 1–5 dm.

usually not branching distal to base, 1–10 dm, conspicuously glaucous.

basal solitary, persistent, 1–3 dm × 2–20 mm, usually not exceeding inflorescence;

blade tapering toward both ends.

basal 3–4 dm;

blade linear, attenuate, channeled, conspicuously glaucous.

subumbellate, 1–9-flowered;

bracts 2–several, lanceolate to linear, attenuate, unequal, 1–5 cm;

peduncle slender, becoming stiffly erect in fruit.

1–2-flowered;

bracts paired, opposite.

erect or spreading;

perianth open, campanulate;

sepals white or purplish-tinged, usually with purple crescent, lanceolate, usually equaling petals, often adaxially papillose, apex acuminate to attenuate;

petals white or purplish-tinged, usually with median, red-purple, adaxial crescent distal to gland, ovate to lanceolate, abruptly contracted at base into short, conspicuous claw, usually conspicuously fringed with long, slender hairs, adaxial surface ± papillose, bearing a few long hairs distal to claw, apex acute to acuminate;

glands transversely oblong, depressed, arched upward, bordered proximally by narrower, crenate membrane, with short, thick hairs toward distal margin of enclosed surface, both fringe of lower membrane and hairs densely long-papillose;

filaments basally dilated, ± equaling anthers;

anthers oblong-lanceolate, apex acute to short-apiculate.

nodding;

perianth ± closed at apex, ± oblong;

sepals appressed to petals, grayish mauve to pale green, broadly lanceolate, 1–2.5 cm, glabrous, apex acuminate;

petals pale yellow, obovate, 2–4.5 cm, adaxial surface moderately hairy from gland to apex, margins moderately ciliate to apex, apex acuminate to acute;

glands depressed, with long, thin, distal hairs;

filaments 7–9 mm;

anthers ± oblong, 6 mm, apex obtuse.

erect, 3-winged, ellipsoid, base and apex acute.

nodding, ridged, not winged, oblong, 2–4 cm, apex acute.

irregular.

dark brown, irregular.

= 20.