Flora of North America species comparison

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

ascending to erect, 10–20 cm, retrorsely hairy, hairs pointed.

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.

not leathery, retrorsely hairy, hairs pointed;

basal and proximal cauline 5–21 × 1–4 mm, blade spatulate to oblanceolate, base tapered, apex rounded to obtuse;

cauline 2–4 pairs, petiolate or sessile, 8–30 × 2–5 mm, blade spatulate to oblanceolate, base tapered, apex rounded to obtuse, acute, or mucronate.

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.

continuous, cylindric, 3–12 cm, axis retrorsely hairy, hairs pointed, verticillasters 4–12, cymes 1–4-flowered, 1 or 2 per node;

proximal bracts oblanceolate, 11–22 × 2–3 mm;

peduncles and pedicels ascending to erect, retrorsely hairy, hairs pointed.

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 tube 1.5–2 mm, lobes lanceolate to oblong, 3.5–4.5 × 0.7–1.2 mm, herbaceous- or narrowly scarious-margined, retrorsely hairy, hairs pointed;

corolla bluish violet, lined internally abaxially with reddish violet nectar guides, tubular-funnelform, 16–20 mm, sparsely white-lanate internally abaxially, tube 6–7 mm, throat gradually inflated, 4.5–6 mm diam., 2-ridged abaxially;

stamens included, filaments glabrous, pollen sacs opposite, subexplanate, 0.7–0.9 mm, sutures papillate;

staminode 7–9 mm, included or reaching orifice, flattened distally, 0.2–0.3 mm diam., tip recurved, distal 4–6 mm pubescent, hairs yellowish orange, to 0.8 mm;

style 12–15 mm.

5–8 × 4–5 mm, glabrous.

not seen.

= 48.