Flora of North America species comparison

basal and cauline, (basal crowded, cauline 1–2);

petiole absent;

blade oblanceolate to spatulate, unlobed, 3–6 mm, fleshy, margins entire, eciliate, apex obtuse, surfaces glabrous.

basal and cauline, (marcescent, crowded);

petiole absent;

blade (sometimes reddish), linear or linear-lanceolate to narrowly elliptic, unlobed, 3–15 mm, leathery, margins entire, stiffly, often hooked, white-ciliate, sometimes also glandular-ciliate, apex acute, white spinulose-mucronate (spine 1–1.5 mm), surfaces glabrous, sometimes adaxially sparsely sessile-glandular.

solitary flowers, 0.5–2 cm, densely pink- to purple-tipped stipitate-glandular;

bracts sessile.

2–15-flowered cymes or thyrses, sometimes solitary flowers, 5–20 cm, sparsely short stipitate-glandular;

bracts sessile.

sepals reflexed, oblong to ovate or triangular, margins stipitate-glandular, surfaces glabrous;

petals greenish yellow, not spotted, elliptic to narrowly obovate, 2–3 mm, ± equaling sepals;

ovary superior.

sepals ± erect, (purplish), ovate to triangular, margins eciliate or sparsely glandular, surfaces glabrous or sparsely sessile-glandular;

petals yellowish white, purple- or red- to yellow-spotted, oblong to elliptic, 3–7 mm, longer than sepals;

ovary superior.