Flora of North America species comparison

erect, (6–)10–40 cm, glabrous or puberulent, not glaucous.

ascending to erect, 16–50 cm, puberulent to retrorsely hairy, hairs pointed, not glaucous.

basal and cauline, ± leathery or not, glabrous;

basal and proximal cauline (12–)25–115 × (4–)7–22 mm, blade oblanceolate to lanceolate or elliptic, base tapered, margins entire, apex obtuse to acute;

cauline 2–4 pairs, sessile, 18–65 × 3–16 mm, blade oblanceolate to lanceolate, sometimes ovate, base tapered to clasping, margins entire, apex obtuse to acute.

cauline, opposite, puberulent, hairs pointed, or glabrous, not glaucous;

cauline 8–12 pairs, sessile, 12–70 × 0.5–1(–2) mm, blade linear, base not tapered, margins entire, apex acute.

continuous or interrupted, cylindric, 1–12 cm, axis ± puberulent, rarely glandular-pubescent, verticillasters 1–4, cymes 2–10-flowered, 2 per node;

proximal bracts lanceolate, sometimes ovate, 12–44 × 2–13 mm, margins entire;

peduncles and pedicels erect, glabrous or ± puberulent, rarely glandular-pubescent.

interrupted, cylindric, 9–22 cm, axis glandular-pubescent, verticillasters 1–5, cymes 1–3-flowered, (1 or)2 per node;

proximal bracts linear, 9–30 × 0.5–1 mm;

peduncles and pedicels spreading to ascending, glandular-pubescent.

calyx lobes ovate to lanceolate, 5–9 × 1.8–2.7 mm, glabrous, rarely glandular-pubescent;

corolla light yellow, without nectar guides, funnelform, 12–16 mm, glabrous externally, rarely glandular-pubescent, sparsely to moderately yellow-pubescent internally abaxially, tube 5–7 mm, throat gradually inflated, 4–6 mm diam., 2-ridged abaxially;

stamens included or longer pair reaching orifice, pollen sacs opposite, navicular to subexplanate, 0.7–0.9 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth;

staminode 8–9 mm, included, 0.4–0.7 mm diam., tip straight to slightly recurved, distal 2–3 mm moderately pilose, hairs yellow or golden yellow, to 0.8 mm;

style 8–11 mm.

calyx lobes ovate to lanceolate, 2–4.5 × 0.7–1.7 mm, glandular-pubescent;

corolla light purple to violet or purple, without nectar guides, funnelform, 13–18 mm, glandular-pubescent externally, glabrous internally, tube 3–4 mm, throat gradually inflated, 5–7 mm diam., 2-ridged abaxially;

stamens included or longer pair reaching orifice, filaments glabrous, pollen sacs parallel, 1.2–1.6 mm, distal 1/2 indehiscent, sides pubescent, hairs white, to 0.5 mm near filament attachment, sutures denticulate, teeth to 0.2 mm;

staminode 10–12 mm, included or reaching orifice, 0.3–0.5 mm diam., glabrous;

style 11–15 mm.

5–8 × 4–5 mm, glabrous.

5–7.5 × 2.5–4 mm.

= 48.

= 16.