Flora of North America species comparison

(24–)30–100 cm.

erect, 8–12 cm, glabrous, glaucescent.

basal and proximal cauline 20–52 × 3–11 mm, blade base tapered, margins entire, apex obtuse;

cauline 4–12 pairs, 20–70 × 2–14 mm, blade base tapered, apex obtuse or acute.

basal and cauline, leathery, glabrous;

basal and proximal cauline 11–40 × 3–14 mm, blade spatulate to oval or orbiculate, base tapered, margins entire or ± denticulate or serrulate distally, apex rounded to obtuse;

cauline 2–4, sessile, 9–20 × 4–10 mm, blade: proximals spatulate, distals obovate or elliptic, base truncate, margins entire or ± denticulate distally, apex rounded or mucronate.

(3–)6–28 cm, verticillasters (3–)6–12, cymes 2–5-flowered;

proximal bracts lanceolate to linear, 6–36 × 1–6 mm;

peduncles and pedicels glandular-pubescent.

continuous, cylindric, 2–4 cm, axis glabrous, verticillasters 2 or 3, cymes 2–5-flowered, 2 per node;

proximal bracts elliptic to ovate, 6–18 × 2–10 mm, margins entire;

peduncles and pedicels ascending to erect, glabrous.

calyx lobes ovate to lanceolate, 4–6 × 1.7–2.1 mm;

corolla orangish red to scarlet, throat usually yellowish or orangish, unlined internally, 22–33 mm, sparsely white-puberulent, tube 3–5 mm, throat 4–6 mm diam.;

pollen sacs 1.8–2.3(–2.5) mm;

staminode 14–16 mm;

style 18–26 mm, exserted.

calyx lobes ovate, 1.5–2 × 0.8–1.2 mm, glabrous or ± glandular-ciliolate;

corolla white to pink, without nectar guides, funnelform, 11–15 mm, glabrous externally, densely white-villous internally abaxially, tube slightly differentiated, 3–5 mm, throat slightly inflated, 2–3 mm diam., rounded abaxially;

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

staminode 8–10 mm, reaching orifice, 0.2–0.3 mm diam., tip straight, distal 2–3 mm sparsely pilose, hairs white or yellowish, to 0.6 mm;

style 9–13 mm.

7–10 × 4–5 mm.

5–8 × 3–4.5 mm, glabrous.

= 16.