Flora of North America species comparison

erect, simple or branched, slender, to 80 cm, subglabrous to retrorsely puberulent especially proximally, distal internodes frequently glutinous.

straggling to erect, much-branched, elongate, 20–70 cm, sparsely retrorse-puberulent.

2 per node;

blade with margins ciliate toward base, apex acute to obtuse;

basal blades oblanceolate, spatulate;

cauline narrowly oblanceolate to linear, 1–9 cm × 2–15 mm, scabrous or puberulent, rarely glabrous on both surfaces.

2 per node, sessile with spatulate, broad, ciliate base, blade oblanceolate, 1.3–5 cm × 4–15 mm, apex acuminate, glabrous or sparsely setose.

cymose, open, branches usually ascending, several- to many-flowered, 1-flowered in depauperate specimens.

cymose, open, compound, pedunculate;

bracts leaflike, lanceolate, 3–15 mm, apex acuminate;

peduncle ascending, elongate, viscid stipitate-glandular.

ascending, elongate, viscid stipitate-glandular.

mature calyx prominently 10-veined, campanulate to ovate, 5–9 × 3–5 mm, margins dentate, glabrous, veins parallel, with pale commissures;

lobes usually purple, triangular, acute, ca. 1 mm;

petals white, often suffused with dark red, rarely wholly dark red, limb ovate, usually 2-lobed, ca. 2.5 mm, slightly longer than calyx, rarely petals absent, claw narrow, appendages 0.1–0.4 mm;

stamens included;

styles 3;

stigmas included.

calyx prominently 10-veined, clavate, with long, slender tube surrounding carpophore, 17–20 × 4–6 mm, veins parallel, green or purple with purple stipitate glands, with pale commissures, lobes lanceolate, 2–3 mm, margins ciliate, apex acute;

corolla bright pink, clawed, claw slightly longer than calyx, limb obovate, unlobed, ca. 1 cm, appendages 2, oblong, 2 mm, entire;

stamens included in tip of calyx tube;

styles 3, exserted.

equaling calyx, opening by 6 teeth;

carpophore less than 1 mm.

ovoid, slightly longer than calyx, opening by 6 recurved teeth;

carpophore 9–10 mm, pubescent.

dull gray-black, reniform, 0.5–0.8 mm diam., finely papillate.

dull and very dark brown, almost globose, inrolled like a clenched fist, 1–1.3 mm, sides with radiating wrinkles, finely tuberculate abaxially.

= 24.

= 24 (Balearic Islands).