Flora of North America species comparison

numerous, erect, simple, 3–15 cm, pubescent, viscid-glandular distally.

simple but with short axillary leafy shoots, leafy, 40–60 cm, glossy, ± glabrous, with 10–20 nodes proximal to inflorescence.

mostly basal, densely tufted;

basal numerous, pseudopetiolate, blade narrowly oblanceolate, tapering into base, 0.5–3 cm × 1.5–4 mm, ± fleshy, apex acute, puberulent;

cauline in 1–3 pairs, ± sessile, reduced, blade narrowly oblanceolate to linear-lanceolate, 0.7–2 cm × 1–3 mm, apex acute, puberulent.

basal withered at time of flowering;

cauline whorled, appearing fasciculate (more than 4) at each node, connate at base, reduced distally, tapered at both ends, blade linear to very narrowly elliptic-lanceolate, 0.5–8 cm × 1–12 mm, base broadened, margins scabrous, apex acute, subglabrous to minutely puberulent on both surfaces.

flowers terminal, solitary, or in single dichotomy, bracteate;

bracts leaflike, 3–15 mm.

thyrsate, verticillate, open, with many short, ascending branches bearing large numbers of small, unisexual flowers, bracteate;

bracts connate basally, triangular, 2–10 mm, margins finely ciliate, apex acuminate.

erect, ca. equaling calyx, viscid glandular-pubescent, hairs with purple septa.

ascending, straight, fasciculate, wiry, ± equaling calyx, glabrous or sparsely and minutely puberulent.

calyx prominently 10-veined, campanulate, not contracted proximally around carpophore, 10–15 × 5–7 mm, papery, veins parallel, purplish, with pale commissures, with purple-septate glandular hairs (rarely septa not purple), lobes ovate, ca. 2 mm, margins broad, membranous, apex obtuse;

corolla off-white or tinged with dusky purple, clawed, claw equaling calyx, broadened distally, limb 2-lobed, 3–5 mm, appendages ca. 1 mm;

stamens equaling calyx;

styles 3(–4), equaling calyx.

mostly unisexual;

calyx pale green, indistinctly 10-veined, elliptic, constricted near base, umbilicate, ca. 5 × 2 mm, lobes with thickened midrib, ovate-obtuse, 0.2 mm, margins crenate, membranous;

corolla greenish white, clawed, claw and limb not differentiated, narrowly oblong, unlobed, less than 2 times length of calyx, appendages absent;

stamens exserted, longer than corolla;

styles 3, exserted, longer than corolla.

equaling calyx, opening by 6 (or 8) teeth;

carpophore 2.5–3.5 mm.

green, ovoid-conic, longer than calyx, opening by 6 teeth;

carpophore shorter than 1 mm.

brown, broadly winged, reniform, 1–2 mm, rugose-tessellate.

brown, winged, reniform, ca. 1 mm, faces with shallow radiating ridges.

= 48.