Flora of North America species comparison

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

from caudices and horizontal rootstocks, erect to ascending, 20–35(–41) 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 1–2(–3) mm;

blade oblanceolate-elliptic to lanceolate-elliptic, 15–30(–38) × 3–6(–8.4) mm, surfaces stellate-tomentose, without simple hairs, lateral veins slightly to moderately 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, thyrses; chasmogamous flowers 1–8 per thyrse, cleistogamous 8–40 per thyrse, flowering 1–3 months later than chasmogamous.

10–22 mm;

bracts 3–7 × 0.5–1 mm.

3–8(–10) mm;

bracts linear-lanceolate, 1–3.2 × 0.2–0.6 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, 1–3 × 0.3 mm, inner sepals ovate-elliptic, 3.5–5 × 2.7–3.7 mm, apex acute;

petals broadly cuneate, 6–9.5 × 3–6.5 mm;

capsules 2-valved, 3–4.8 × 2.4–3.8 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, 0.5–1.2 × 0.5 mm, inner sepals ovate-elliptic, 1–3.4 × 1–2.3 mm, apex acute;

capsules 2-valved, 3–4 × 2.4–3.5 mm, stellate-pubescent distally.