Flora of North America species comparison

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

erect, few-branched, 50–100 cm, hispid.

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.

rounded into tightly sessile base;

blade lanceolate to ovate, 5–12 cm × 20–60 mm, apex acute, sparsely scabrous-pubescent on both surfaces, scabrous-ciliate on abaxial margins and midrib;

basal leaf blades broadly spatulate.

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

subcapitate between terminal pair of leaves, 10–50-flowered, congested, bracteate;

bracts lanceolate, herbaceous, ciliate.

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.

sessile to subsessile, 10–16 mm diam.;

calyx 10-veined, narrow and tubular in flower, clavate in fruit, 12–17 mm, margins dentate, lobes triangular-lanceolate, 2.5–2.5 mm, coarsely hirsute;

petals scarlet, sometimes white or pink, clawed, claw equaling calyx, limb spreading, obovate, deeply 2-lobed, 6–11 mm, shorter than calyx, appendages tubular, 2–3 mm;

stamens equaling calyx;

stigmas 5, equaling calyx.

equaling calyx, opening by 6 teeth;

carpophore less than 1 mm.

ovoid, 8–10 mm, opening by 5 teeth;

carpophore 4–6 mm.

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

dark reddish brown, reniform-rotund, 0.7–1 mm diam., coarsely papillate;

papillae ca. as high as wide.

= 24.

= 24 (Europe).