Flora of North America species comparison

usually not branching, straight or flexuous, often scapelike, 0.5–3 dm.

slender, branching, straight, 3–6 dm.

basal 1–3 dm × 2–15 mm, usually equaling or exceeding stem length;

blade flat, adaxial surface glabrous.

basal withering, 2–3 dm;

blade linear-lanceolate.

subumbellate, 1–5-flowered;

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

peduncle slender, becoming stouter, deflexed in fruit.

2–6-flowered.

erect or spreading;

perianth open, campanulate;

sepals typically with purple glandular blotch near base, oblong-lanceolate, shorter than petals, adaxial surface minutely hairy, apex acute to acuminate;

petals yellowish white, sometimes lavender-tinged, frequently with narrow purple crescent distal to gland, broadly obovate, cuneate, moderately bearded nearly to apex, adaxial surface densely hairy, margins fringed, apex obtuse or acute;

glands transversely oblong, arched upward, ± deeply depressed, bordered proximally by narrow, ascending, deeply fringed membrane, distally by narrow, crenate membranes, gland surface with rather long, slender hairs toward distal portion;

anthers lanceolate, apex long-apiculate.

erect;

perianth opening flat, campanulate;

sepals often reflexed, lanceolate, 1–3 cm, glabrous, apex long-tapered;

petals yellow to deep orange, purple-brown at tip, oblong-ovate, 1–2 cm, conspicuously bearded, margins fringed or dentate, apex fringed with hairy tufts;

glands round, slightly depressed, glabrous, surrounded and obscured by ring of slender, dense hairs united at base;

filaments 7–8 mm;

anthers oblong, apex acute.

nodding, 3-winged, ellipsoid, apex usually acute.

erect, linear, 3-angled, 3–4 cm, apex acute.

pale yellow.

light yellow, translucent.

= 20.

= 18.