Flora of North America species comparison

numerous, erect, simple, 3–15 cm, pubescent, viscid-glandular distally.

several, erect, not much-branched, slender, 15–60 cm, flowering above middle.

mostly basal, densely tufted;

basal numerous, pseudopetiolate, blade narrowly oblanceolate, tapering into base, 0.5–3 cm × 1.5–4 mm, ± fleshy, apex acute, puberulent;

cauline in 1–3 pairs, ± sessile, reduced, blade narrowly oblanceolate to linear-lanceolate, 0.7–2 cm × 1–3 mm, apex acute, puberulent.

cauline in 2–4 pairs, gradually reduced distally, blade linear with broadened base, 1–8 cm × 1–2 mm, apex acute;

basal leaves tending to wither by flowering time, blade with midrib present, linear-oblanceolate, 5–12 cm × 1–4 mm, apex acute.

flowers terminal, solitary, or in single dichotomy, bracteate;

bracts leaflike, 3–15 mm.

few-flowered, bracteate, narrow, flowers terminal and axillary;

bracts linear, 2–10 mm.

erect, ca. equaling calyx, viscid glandular-pubescent, hairs with purple septa.

ascending, straight, slender, very short in bud but equaling or exceeding flower at anthesis.

calyx prominently 10-veined, campanulate, not contracted proximally around carpophore, 10–15 × 5–7 mm, papery, veins parallel, purplish, with pale commissures, with purple-septate glandular hairs (rarely septa not purple), lobes ovate, ca. 2 mm, margins broad, membranous, apex obtuse;

corolla off-white or tinged with dusky purple, clawed, claw equaling calyx, broadened distally, limb 2-lobed, 3–5 mm, appendages ca. 1 mm;

stamens equaling calyx;

styles 3(–4), equaling calyx.

calyx 10-veined, campanulate, lobed to middle or below, 6–10 mm;

lobes 6, recurved, 1–3-veined, lanceolate to linear-lanceolate, margins membranous, ciliate, apex acute;

petals white to pale greenish, lobed, clawed, 12–20 mm including claw, ca. 2 times length of calyx;

lobes 4, small, 1.5–2 mm, claw woolly towards base, appendages absent;

stamens equaling petals;

filaments pubescent at base;

styles 3, shorter than to equaling stamens.

equaling calyx, opening by 6 (or 8) teeth;

carpophore 2.5–3.5 mm.

ovoid, exceeding calyx, dehiscing with 6 spreading teeth;

carpophore 1–2 mm.

brown, broadly winged, reniform, 1–2 mm, rugose-tessellate.

brown, broadly reniform, less than 1.75 mm, margins coarsely tuberculate to papillate, with concentric rings of tubercles on both faces.

= 48.

= 48.