Flora of North America species comparison

ascending to erect, 20–60 cm, glaucous, sometimes not.

erect, 10–30 cm, glabrous or puberulent.

glabrous, glaucous;

basal and proximal cauline 28–100 × 2–11 mm, blade oblanceolate to elliptic, base tapered, margins entire, apex obtuse to acute;

cauline 3–6 pairs, sessile, (11–)30–80(–120) × 2–9 mm, blade lanceolate to linear or linear-subulate, base clasping to auriculate-clasping, margins entire, apex rounded to acute.

basal and cauline, not leathery, glabrous, rarely puberulent proximally, especially along margins;

basal and proximal cauline sessile, 15–20(–40) × 0.5–1.5 mm, blade linear, base tapered to ± clasping, margins entire, apex acute;

cauline 3–7 pairs, sessile, 11–35 × 0.3–1 mm, blade linear, base tapered to ± clasping, margins entire, apex acute.

interrupted, cylindric, 6–26 cm, axis glabrous, verticillasters 5–9, cymes 1–4-flowered;

proximal bracts lanceolate to linear, 6–33 × 1–4 mm;

peduncles and pedicels erect, glabrous.

continuous or interrupted, cylindric, 3–15 cm, axis glabrous or retrorsely hairy, verticillasters 3–7, cymes 1- or 2(or 3)-flowered, 1 or 2 per node;

proximal bracts linear, 10–30 × 0.3–1 mm;

peduncles and pedicels glabrous, rarely puberulent.

calyx lobes ovate to lanceolate, 2–4.5 × 1.4–2.1 mm, margins entire or erose, glabrous or ± glandular along margins;

corolla scarlet, without nectar guides, nearly radially symmetric, weakly bilabiate, salverform, 18–26 mm, glabrous externally, glabrous internally, tube 4–7 mm, 1.6–3 times as long as calyx lobes, throat slightly inflated, 3–5 mm diam., rounded abaxially;

stamens: longer pair reaching orifice, pollen sacs explanate, 0.7–0.9 mm, sutures smooth;

staminode 13–14 mm, essentially terete, 0.1 mm diam., tip straight, glabrous, rarely distal 1–2 mm sparsely papillate, papillae yellow, to 0.2 mm;

style 10–19 mm.

calyx lobes ovate, 3.5–5.8 × 1.3–2.2 mm, glabrous;

corolla white or pink to violet or purple, without nectar guides, tubular-funnelform, 9–18 mm, glabrous externally, moderately yellow-villous internally abaxially, tube 4–5 mm, throat gradually inflated, not constricted, 5–6 mm diam., rounded abaxially;

stamens included, pollen sacs opposite, navicular, 1–1.5 mm, dehiscing completely, sutures papillate;

staminode 7–11 mm, included or reaching orifice, 0.5–0.7 mm diam., tip straight to recurved, distal 3–5 mm pilose, hairs yellow or yellow-orange, to 1 mm;

style 9–12 mm.

6–8 × 4–5 mm.

4–5 × 2.5–4 mm.

= 16.