Flora of North America species comparison

erect, 30–65 cm, glabrate to sparsely stellate-pubescent.

ascending to erect, 10–30(–50) cm, stellate-pubescent, glabrescent.

cauline;

petiole 0.5–1.5 mm;

blade linear, 10–21(–26) × 0.9–2 mm, surfaces stellate-pannose, lateral veins obscure abaxially.

cauline;

petiole 1–5 mm;

blade bicolor, obovate-elliptic to elliptic-lanceolate, 12–35(–47) × 3–10(–13) mm, base cuneate, apex obtuse, surfaces stellate-pubescent, lateral veins raised abaxially.

terminal, broad panicles, branches spreading, usually curved, stellate-pannose; chasmogamous flowers 1–3 per branch; cleistogamous 0.

terminal, compound dichasia in corymbiform cymes; chasmogamous flowers 1–6 per dichasium, overtopping cleistogamous, cleistogamous 10–45 per dichasium, produced simultaneously.

5–13 mm, stellate-pubescent with no or sparse glandular hairs;

bracts 1–2.5 × 0.3–0.5 mm.

6–15 mm, villous and stellate-pubescent;

bracts 2–7 × 0.2–1.2 mm.

flowers: outer sepals linear, 1.3–2(–2.8) × 0.3 mm, inner sepals 4.7–7(–8) × 2–3 mm, apex acuminate or acute, calyx stellate-pubescent, hairs to 1 mm;

petals obovate, 8–12 × 6–8 mm;

capsules 3.5–4.3 × 2.3–2.7 mm, glabrous.

flowers: outer sepals spatulate-linear, 2.4–4.5 × 0.7–1.2 mm, apex obtuse, inner sepals 3–7 × 2.5–3.6 mm, apex acute to acuminate;

petals obovate, 6–11 × 5–9.5 mm;

capsules 3.6–5.4 × 3–4 mm, glabrous.

flowers: outer sepals linear, 1.8–3 × 0.3–0.9 mm, inner sepals ovate, 2.2–4.8 × 1.2–3 mm, apex acute;

capsules 1.6–3.8 × 1.4–3 mm, glabrous.