OregonFlora species comparison

3–10(15) cm, glabrous.

prostrate (non-flowering) or ascending to erect (flowering), sometimes mat-forming.

basal arching; (6)10–20 mm; rigid, not fleshy;

tips spinose;

cauline 6–10 pairs, closely overlapping, not reduced above.

opposite; needle-like to narrowly linear, often congested at or near bases of flowering stems;

tips sharp pointed;

petioles 0;

stipules 0.

subcapitate; dense or somewhat open;

flowers 3–45+;

pedicels 0.1–4 mm, glabrous.

terminal; open or congested cymes;

bracts present.

sepals 5–12 mm, not enlarging in fruit;

tips acuminate;

petals 7–9 mm.

bisexual;

sepals 5; ± free, glabrous to glandular-hairy;

petals 5, white;

tips entire or slightly notched;

stamens 10; borne on hypanthium;

staminodes 0;

ovary sutures 6;

styles 3.

2.3–3.3 mm;

valves glabrous.

capsules; ovoid to urceolate, opening by 6 ascending to recurved teeth.

pyriform, 1.2–1.7 mm, tuberculate.

1–10, elliptic-ovoid, oblong, or sometimes spherical, 1.2–3(3.2) mm; grayish, brown; yellowish brown, or blackish; smooth to tuberculate.