Flora of North America species comparison

ascending to erect, 18–80 cm, glabrous or retrorsely hairy, hairs pointed, not glaucous.

ascending to erect, 20–50(–65) cm, glabrous or retrorsely hairy, not glaucous.

cauline, opposite, glabrous, sometimes glaucous;

cauline 7–15 pairs, short-petiolate or sessile, (20–)40–100(–120) × (7–)10–30(–38) mm, blade ovate to lanceolate, base tapered to truncate, margins subentire or serrate, apex acute.

basal and cauline, basal often poorly developed, not leathery, glabrous;

basal and proximal cauline 20–75 × 2–5(–7) mm, blade narrowly elliptic to linear, base tapered, margins entire, apex obtuse to acute;

cauline 5–8 pairs, sessile or proximals long-petiolate, 15–75 × 2–8 mm, blade lanceolate to linear, base tapered, margins entire, apex acute.

interrupted, ± secund, (2–)7–40 cm, axis glabrous or retrorsely hairy, verticillasters (3–)5–14, cymes 2–7-flowered, 2 per node;

proximal bracts lanceolate, (6–)23–70(–115) × (1–)4–28(–35) mm;

peduncles and pedicels ascending to erect, glabrous or retrorsely hairy.

interrupted or continuous, cylindric, 3–25 cm, axis glandular-pubescent, verticillasters 2–6(–10), cymes 1–7-flowered, 2 per node;

proximal bracts lanceolate, 6–55 × 1–8 mm, margins entire;

peduncles and pedicels erect, glandular-pubescent.

calyx lobes ovate to obovate or lanceolate, 2.5–6 × 1.3–1.8 mm, glabrous except for margins sometimes ciliate;

corolla lavender to purple or violet, with reddish purple nectar guides, weakly ventricose, 24–38 mm, glabrous externally except lobe margins densely white-ciliate, glabrous internally, tube 7–9 mm, throat gradually inflated, 9–10 mm diam., rounded abaxially;

stamens: longer pair reaching orifice or exserted, filaments white-lanate distally, rarely glabrous, pollen sacs parallel, 1.6–2.1 mm, distal 1/2–2/3 indehiscent, sides hispidulous, hairs white, to 0.2 mm near point of attachment of connective, sutures denticulate, teeth to 0.2 mm;

staminode 16–19 mm, reaching orifice or barely exserted, 0.4–0.5 mm diam., distal 2–5 mm sparsely to moderately lanate, hairs white, to 2 mm;

style 18–25 mm.

calyx lobes obovate to ovate or lanceolate, 1.5–3 × 0.7–1.5 mm, glandular-pubescent;

corolla violet to light blue, pink, or light purple, with or without pink or purple nectar guides, tubular to tubular-funnelform, 8–10 mm, glandular-pubescent externally, moderately yellow-pilose internally abaxially, tube 3–4 mm, throat slightly inflated, 2–3 mm diam., slightly 2-ridged abaxially;

stamens included, pollen sacs opposite, navicular to subexplanate, 0.4–0.5 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth;

staminode 4–6 mm, included, 0.3–0.4 mm diam., tip straight, distal 0.3–0.5 mm sparsely pilose, hairs yellow, to 0.4 mm;

style 7–8 mm.

6–9 × 4–5 mm.

3.5–5 × 2–3 mm, glabrous.

= 64.

= 32.