Flora of North America species comparison

ascending to erect, 32–100 cm, glabrous, slightly glaucous.

erect, sometimes ascending, 30–63 cm, glabrous, not glaucous.

glabrous, not glaucous;

basal and proximal cauline 40–80(–150) × 14–40(–60) mm, blade spatulate to obovate, oblanceolate, or elliptic, base tapered, margins entire, apex rounded to obtuse;

cauline 3–7 pairs, sessile, (11–)20–135 × 9–50 mm, blade spatulate to elliptic, ovate, or subcordate, base truncate to broadly cordate-clasping, apex rounded to acute or mucronate.

basal and cauline, or basal absent, not leathery, glabrous or retrorsely hairy, not glaucous;

basal and proximal cauline 30–90(–116) × 5–26 mm, blade oblanceolate, base tapered, margins entire, apex obtuse to acute;

cauline 6–12 pairs, sessile, 25–113 × 3–13 mm, blade lanceolate to linear, base tapered to truncate, apex obtuse to acute.

secund, (3–)6–44 cm, axis glabrous, verticillasters 3–15, cymes 2–4(–8)-flowered;

proximal bracts suborbiculate, ovate, or lanceolate, (4–)16–60 × (2–)5–45 mm;

peduncles and pedicels erect, glabrous.

continuous, sometimes interrupted, secund, 16–30 cm, axis glabrous, verticillasters 7–11, cymes 1–4-flowered, (1 or)2 per node;

proximal bracts lanceolate to linear, 10–72 × 1–12 mm;

peduncles and pedicels glabrous.

calyx lobes ovate, 1.6–6 × 1.4–3 mm, margins entire or erose, glabrous;

corolla red to crimson, with reddish violet nectar guides, bilaterally symmetric, weakly bilabiate, tubular, 22–30 mm, densely yellow-villous internally abaxially, tube 6–8 mm, throat 6–8 mm diam., constricted at orifice, rounded abaxially, abaxial lobes spreading to reflexed, adaxial lobes projecting to erect;

stamens included, pollen sacs divergent, 1.5–1.9 mm, sides glabrous, sutures denticulate, teeth to 0.1 mm;

staminode 15–17 mm, included or slightly exserted, tip straight to recurved, distal 1–3 mm sparsely lanate, hairs yellow, to 1.5 mm;

style 18–28 mm, usually exserted.

calyx lobes lanceolate to elliptic, 3–5 × 2–2.6 mm, glabrous;

corolla lavender to violet, with reddish purple nectar guides, ventricose, 26–34 mm, glabrous externally, sparsely to densely white-villous internally abaxially, tube 7–8 mm, throat gradually to abruptly inflated, not constricted at orifice, 7–10 mm diam., rounded abaxially;

stamens: longer pair exserted, pollen sacs opposite, navicular, 1.4–1.9 mm, dehiscing completely, sides glabrous, sutures smooth or papillate;

staminode 14–16 mm, reaching orifice or exserted, 1–1.2 mm diam., tip straight, glabrous;

style 14–18 mm.

10–15 × 5–9 mm.

9–14 × 5–6 mm.

= 16.