Flora of North America species comparison

erect, 10–20 cm, stipitate-glandular.

ascending to erect, 10–18 cm, often glandular-hairy.

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 persistent;

cauline leaves in 3–5 pairs, reduced distally;

basal blades erect to ± spreading, needlelike, 0.5–1.1(–1.6) cm × 0.5–0.7 mm, rigid, herbaceous, not fleshy, apex blunt to apiculate, glabrous, ± glaucous.

7–40+-flowered, ± open cymes.

(1–)3–7-flowered, ± open cymes.

3–20 mm, stipitate-glandular.

0.3–2 mm, 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 1–3-veined, lateral veins less developed, ovate, often broadly so, 1.8–3 mm, to 4.2 mm in fruit, margins broad, apex obtuse or rounded, glabrous;

petals white, elliptic to oblanceolate, 2–4.5 mm, 1.4–1.6 times as long as sepals, apex rounded;

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

4.5–5.5 mm, glabrous.

4.5–6 mm, glabrous.

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

blackish purple, suborbicular to broadly ellipsoid with hilar notch, 2.2–2.5(–3) mm, tuberculate;

tubercles rounded, elongate.