Flora of North America species comparison

ascending to erect, 18–85 cm, glabrous, not glaucous.

ascending to erect, 20–45(–60) cm, glabrous, not glaucous.

basal and cauline, ± leathery or not, glabrous, not glaucous;

basal and proximal cauline 55–250 × 7–40 mm, blade lanceolate to elliptic, base tapered, margins entire, apex obtuse to acute;

cauline 3–5 pairs, short-petiolate or sessile, 40–83 × 10–36 mm, blade ovate to lanceolate, base tapered to clasping, apex obtuse to acute.

basal and cauline, leathery or not, glabrous, not glaucous;

basal and proximal cauline 15–95 × 1–4(–5) mm, blade linear, base tapered, margins entire, apex acute to acuminate;

cauline 5–7 pairs, sessile, 8–95 × 0.5–3(–4) mm, blade linear, base truncate, apex acute to acuminate.

continuous, cylindric, 4–35 cm, axis glabrous, verticillasters 4–11, cymes 1–6-flowered, 2 per node;

proximal bracts ovate to lanceolate, 22–85 × 11–35 mm;

peduncles and pedicels glabrous, peduncles to 20 mm, pedicels 1–6 mm.

interrupted, secund, 6–30 cm, axis glabrous, verticillasters 5–11, cymes 1–3-flowered, 1 or 2 per node;

proximal bracts linear to subulate, (2–)3–30(–50) × 0.5–2 mm;

peduncles and pedicels glabrous.

calyx lobes ovate to lanceolate, (5.3–)6.5–8.5 × 1.6–3 mm, apex acuminate to caudate, glabrous;

corolla blue to violet or purple, with reddish purple nectar guides, ventricose, 29–35 mm, glabrous externally, glabrous internally, tube 8–11 mm, throat gradually inflated, not constricted at orifice, 9–10 mm diam., slightly 2-ridged abaxially;

stamens: longer pair reaching orifice, pollen sacs divergent to opposite, sigmoid, 2–2.7 mm, dehiscing incompletely, proximal 1/5–1/3 indehiscent, connective not splitting, sides sparsely hirsute, hairs white or tan, to 0.1 mm, especially near connective, sometimes merely scurfy near connective, sutures denticulate, teeth to 0.1 mm;

staminode 16–20 mm, reaching orifice, 0.5–1 mm diam., tip straight, distal 4–6 mm ± uniformly sparsely pilose, hairs yellow, to 1 mm;

style 20–24 mm.

calyx lobes ovate, 2.2–4 × 1.3–3.5 mm, glabrous;

corolla white to pink, lavender, or violet, with reddish purple nectar guides, ventricose, 18–22 mm, glabrous externally, sparsely white-lanate internally abaxially, tube 4–6 mm, throat gradually inflated, not constricted at orifice, 7–10 mm diam., rounded abaxially;

stamens: longer pair exserted, pollen sacs opposite, navicular, 1.2–1.6 mm, dehiscing completely or incompletely, connective splitting or not, sides glabrous, sutures papillate or denticulate, teeth to 0.1 mm;

staminode 11–14 mm, exserted, 0.4–0.7 mm diam., tip straight to recurved, glabrous;

style 12–17 mm.

10–13 × 8–10 mm.

6–11 × 4–6 mm.

= 16.