Flora of North America species comparison

ascending to erect, 40–90 cm, glabrous, glaucous.

24–75(–98) cm, sparsely to densely retrorsely hairy or puberulent, usually also glandular-pubescent distally.

cauline, opposite, glabrous, glaucous;

cauline 6–14 pairs, sessile, 30–85(–102) × 3–13 mm, blade elliptic, base tapered, margins entire, apex acute.

retrorsely hairy;

basal and proximal cauline 8–80 × 3–12 mm, blade lanceolate or spatulate, base tapered, margins entire, apex rounded to obtuse or acute;

cauline 7–15 pairs, 9–85(–110) × 1–11(–22) mm, blade lanceolate to linear, base tapered to truncate, apex acute to acuminate, rarely obtuse.

interrupted, cylindric, 6–30 cm, axis glabrous, verticillasters (5–)8–14, cymes 1(or 2)-flowered, 2 per node;

proximal bracts narrowly elliptic to linear, 8–45 × 1–8 mm;

peduncles and pedicels ascending to erect, glabrous.

± secund, 5–36 cm, axis glandular-pubescent, verticillasters 3–6, cymes 1 or 2(or 3)-flowered;

proximal bracts lanceolate to linear, 5–16 × 1–3 mm;

peduncles and pedicels glandular-pubescent, sometimes also retrorsely hairy.

calyx lobes obovate to ovate or elliptic, 1.8–3.2 × 1.5–2.2 mm, glabrous or minutely ciliolate distally;

corolla light lavender to violet or purple, with violet nectar guides, weakly ventricose, 22–26(–28) mm, glabrous externally, glabrous internally, tube 7–9 mm, throat gradually inflated, 7–9 mm diam., 2-ridged abaxially;

stamens included or longer pair exserted, filaments glabrous, pollen sacs parallel to slightly divergent, 1.5–2 mm, distal 2/3 indehiscent, sides glabrous, sutures denticulate, teeth to 0.1 mm;

staminode 15–16 mm, included, 0.5–0.6 mm diam., glabrous;

style 16–20 mm.

calyx lobes ovate to lanceolate, 2.9–7 × 1.5–2.5(–3.6) mm, glandular-pubescent;

corolla scarlet to red, unlined internally or lined on abaxial surface with faint reddish purple nectar guides, tubular-funnelform, 22–35 mm, glandular-pubescent internally abaxially, tube 5–6 mm, throat gradually inflated, 6–8 mm diam., rounded abaxially;

stamens exserted (hidden by galeate adaxial lobes), pollen sacs parallel to divergent, 1.5–2 mm, sutures denticulate, teeth to 0.2 mm;

staminode 15–17 mm, included, 0.3–0.4 mm diam.;

style 25–30 mm, usually barely exserted from galea.

7–10 × 4.5–5.5 mm.

9–14 × 6–7 mm.

= 16.