Flora of North America species comparison

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

ascending to erect, usually red-tinged, 15–50(–65) cm, stellate-pubescent to glabrate.

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 1–3 mm;

blade oblanceolate-elliptic to narrowly elliptic, tapered to base, 12–30(–38) × 4–7(–10) mm, apex acute, surfaces stellate-tomentose and with scattered simple hairs abaxially, ± lustrous, sparsely stellate-pubescent and with simple hairs adaxially, lateral veins raised 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.

terminal or subterminal, cymes; chasmogamous flowers 1–3 per cyme, cleistogamous 1–3 per glomerule, on lateral leafy branches 6–18 cm, flowering 1–3 months later than chasmogamous.

10–22 mm;

bracts 3–7 × 0.5–1 mm.

(1.5–)4–10(–17) mm, with stellate and simple hairs;

bracts absent.

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 narrowly lanceolate, 2–6 × 0.5–1 mm, inner sepals 5–9 × 3.5–5 mm, apex acute;

petals obovate, 8–15 × 6–14 mm;

capsules 5–8 × 4–7 mm, glabrous.

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 rudimentary, 0.2–0.5 × 0.2–0.4 mm, inner sepals obovate, 2.5–4 × 2.5–3.5 mm, apex acute;

capsules 2.3–3.5 × 2.5–3.5 mm, glabrous.

= 20.