Flora of North America species comparison

ascending to erect, (13–)20–40(–51) cm, stellate-tomentose.

ascending or spreading to erect, 5–15(–20) cm, stellate-pubescent.

cauline and, sometimes, basal basal mat-forming;

petiole 1–3 mm;

blade obovate, 10–22 × 3–5 mm;

cauline: petiole 1–4 mm;

blade oblanceolate to narrowly lanceolate, 10–38(–48) × 2–5.5(–7.8) mm, margins revolute;

surfaces stellate-tomentose abaxially, stellate-pubescent adaxially, without simple hairs;

lateral veins obscure abaxially.

cauline;

petiole 0.5–2 mm;

blade oblanceolate to lanceolate, 8–20(–28) × 2–4(–10) mm, surfaces stellate-tomentose abaxially, stellate-pubescent adaxially, lateral veins obscure abaxially.

axillary and terminal, solitary flowers or glomerules; chasmogamous flowers solitary, at tips of branches, overtopping cleistogamous, cleistogamous 2–7 per glomerule, flowering 1–3 months later than chasmogamous.

usually terminal, sometimes lateral, umbellate; chasmogamous flowers 2–10 per umbel; cleistogamous 2–10 per umbel.

10–22 mm;

bracts 3–7 × 0.5–1 mm.

(2.5–)5–10(–15) mm;

bracts 1–3.5 × 0.3–0.6 mm.

flowers: outer sepals linear, 1.2–2.5 × 0.2 mm, inner sepals 2.5–4.3 × 1.3–2 mm, apex acute;

petals obovate, 4–6 × 3.5–5 mm;

capsules 2–3 × 1.4–1.8 mm, glabrous.

flowers: outer sepals linear, 2–4 × 0.5 mm, inner sepals 4–8 × 3.5–4.8 mm, apex acute;

petals obovate, 8–9.5 × 7.5–9 mm;

capsules 3-valved, 3.6–5.4 × 2.4–3.6 mm, stellate-pubescent distally.

flowers: outer sepals linear, 0.5–1 × 0.2 mm, inner sepals ovate, 1.5–1.8 × 1–1.5 mm, apex acute;

capsules 1.3–1.7 × 1–1.3 mm, glabrous.

flowers: outer sepals linear, 1–2 × 0.4 mm, inner sepals ovate, 3.6–5.6 × 2.2–2.8 mm, apex acute;

capsules 3–4.6 × 2.4–3.4 mm, stellate-pubescent distally.