Flora of North America species comparison

erect, 10–20 cm, stipitate-glandular.

erect to ascending, (3–)5–20(–25) cm, entirely glabrous or glabrous proximally, stipitate-glandular distally.

basal leaves ± deciduous;

cauline leaves (2–)3–5 of equal size distally;

basal blades ascending to ± spreading, narrowly linear, 1.5–3.5 cm × 1–1.5 mm, ± flexuous, ± succulent, apex green, blunt or acute to apiculate, glabrous, not glaucous.

basal leaves abundant, persistent;

cauline leaves in 1–3 pairs, abruptly reduced distal to lowest pair;

basal blades erect, straight or often curved in one direction, filiform, (2–)4–8 cm × 0.5–1 mm, flexuous, herbaceous, apex acute or acuminate to weakly spinose, glabrous, sometimes stipitate-glandular, often glaucous.

7–40+-flowered, ± open cymes.

1–12(–18)-flowered, open or rarely subcongested cymes.

3–20 mm, stipitate-glandular.

(2–)5–20 mm, glabrous or stipitate-glandular.

sepals 1–3-veined, lateral pair obscure, ovate, 3–3.8 mm, 4–4.5 mm in fruit, margins broad, apex obtuse to rounded or barely acute, stipitate-glandular;

petals white, narrowly spatulate, 6.6–7.5 mm, 2 times as long as sepals, apex rounded or emarginate;

nectaries as lateral and abaxial rounding of base of filaments opposite sepals, 0.3 mm.

sepals often purplish, 1–3-veined, ovate to ovate-lanceolate, 3–4.7 mm, to 5 mm in fruit, margins broad, apex broadly rounded to barely acute, glabrous or stipitate-glandular;

petals white, spatulate, 6–10 mm, 1.5–2.5 times as long as sepals, apex broadly rounded;

nectaries as depressed transverse cup at base of filaments opposite sepals, 0.3–0.7 × 0.1–0.3 mm.

4.5–5.5 mm, glabrous.

5–8 mm, valves at least sparsely stipitate-glandular or glabrous.

black to brown, oblong to pyriform, 1.8–2.4 mm, smooth to tuberculate.

brown to black, ellipsoid to ovoid with hilar notch, (1.2–)1.5–2(–2.5) mm, tuberculate;

tubercles rounded, elongate.