Flora of North America species comparison

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.

cauline (crowded proximally);

petiole absent;

blade broadly obovate, prominently 3-lobed apically (distal unlobed, reduced), (lobes lanceolate to oblong, mucronate), 4.5–12 mm, ± leathery, margins entire, (cartilaginous), stiffly ciliate, apex acute, not or slightly mucronate, surfaces glabrous.

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

bracts sessile.

2–4-flowered cymes, sometimes solitary flowers, 3.5–13 cm, glabrous except bracts purple-tipped stipitate-glandular;

bracts sessile.

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.

sepals erect to ascending, (purplish), ovate to oblong, margins eciliate, surfaces glabrous;

petals white to cream, not spotted, elliptic to obovate, 3.5–7 mm, much longer than sepals;

ovary superior.

= 26, 52.