Flora of North America species comparison

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

erect, leafy proximally, 3–6(–15) cm, old leaves persistent at base.

mostly basal, densely crowded and imbricate, sessile;

blade 1(–3)-veined, linear-subulate to lanceolate, 0.4–1(–1.5) cm × 0.8–1.5(–2) mm, margins cartilaginous, often ciliolate especially proximally, apex acute, glabrous to scabrous.

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

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

solitary flowers.

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

bracts leaflike, 5–30 mm.

2–40 mm.

shorter than calyx.

bisexual or unisexual, all plants having both staminate and pistillate flowers, others having only pistillate flowers, subsessile or borne singly on peduncle;

calyx 10-veined, lateral veins absent, tubular to campanulate, (5–)7–10 mm, herbaceous, margins often purple tinged, dentate, sometimes ciliate, ± scarious, glabrous, lobes lanceolate to ovate, 1–2 mm;

petals bright pink, rarely white, limb unlobed to shallowly 2-fid, 2.5–3.5 mm, base tapered into claw, auricles and appendages poorly developed;

stamens exserted in staminate flowers, not so or aborted in pistillate flowers;

styles 3.

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.

3-locular, cylindric, equaling or to 2 times calyx, opening by 6 recurved teeth;

carpophore ca. 1 mm.

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

carpophore 1.5–2.5 mm.

light brown, reniform, 0.8–1(–1.2) mm broad, dull, shallowly rugose.

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

wing broad, wrinkled.

= 24.

= 48.