Flora of North America species comparison

erect, simple or branched, 20–65 cm, glandular-pubescent.

erect, branched, leafy, 20–60 cm, villose-tomentose, viscid-glandular.

proximal forming rosette, blade oblanceolate, spatulate, 3–8(–12) cm × 5–13(–25) mm, apex ± obtuse, sparingly pubescent and glandular;

cauline reduced distally, blade lanceolate, 1–7 cm × 2–15 mm, apex ± acute, sparingly pubescent and glandular.

2 per node, connate proximally, sessile, largest in mid stem;

blade lanceolate, 3–7 cm × 5–15 mm, apex acute, glandular-tomentose throughout.

dichasiate, open, bracteate;

bracts leaflike, to 15 mm.

open, leafy cymes, bracteate, viscid and glandular-tomentose, branches ascending, mostly floriferous, flowers terminal and at distal nodes;

bracts leaflike, 5–30 mm.

ascending, 1–3(–5) cm, densely glandular-pubescent, viscid.

shorter than calyx.

calyx prominently 20–25-veined, ovate-conic, 8–12 mm, margins dentate, coarsely pubescent, glandular, lobes erect, narrowly lanceolate, 2–3 mm, margins membranous ca. 1/4 length of calyx;

corolla inconspicuous, cream, purple tinged adaxially, dull orange abaxially, equaling or slightly longer than calyx, limb ovate, 1–3 mm, apex notched, appendages absent, auricles round, small;

stamens shorter than corolla;

stigmas 3, shorter than corolla.

calyx obscurely 10-veined, tubular-campanulate, 10–15 × 4–5 mm in flower, becoming clavate and 15–20 × 6–8 mm in fruit, narrowed toward base around carpophore, herbaceous, viscid-pubescent, veins more distinct at base, without conspicuous pale commissures, lobes narrowly lanceolate, 3–6 mm, margins very narrow, membranous, apex blunt;

corolla greenish white, clawed, claw equaling calyx, widened distally, limb emarginate, 2 × 4 mm, appendages 4(–6), ca. 0.5 mm;

stamens equaling petals;

styles 3, equaling petals.

tightly enclosed in calyx, ovoid, with narrow opening, opening by 6 triangular teeth ca. 1 mm;

carpophore ca. 1 mm.

ellipsoid, slightly longer than calyx, opening by 6 teeth;

carpophore 1.5–2.5 mm.

dark brown to black, rotund, 0.6–1 mm broad, papillate.

yellowish brown, winged, reniform, ca. 2 mm, rugose;

wing broad, wrinkled.

= 20 (Asia).

= 48.