Flora of North America species comparison

fascicled, erect, branching scattered proximally and crowded distally, (1.4–)2–3.5(–4) dm.

fascicled, decumbent to erect, branching distally, 0.5–3 dm.

alternate;

stipules absent;

petiole absent;

blade linear, 2–4(–6) × 0.1–0.3(–0.4) cm, base acute, margins entire or remotely denticulate, teeth without prominent blackened tips, not incurved, apex usually acute, rarely acuminate;

venation not prominent.

opposite or subopposite;

stipules absent;

petiole absent;

blade elliptic to elliptic-spatulate, 1.5–4(–4.5) × 0.5–1.4(–1.8) cm, base narrowly cuneate, margins prominently spinulose-dentate, teeth without prominent blackened tips, not incurved, apex acuminate;

midvein and secondary veins prominent.

sessile or rarely short-pedunculate, 6–-7 cm;

staminate flowers crowded distally, 1 per node;

pistillate flowers 3–5, crowded;

bracts broadly ovate, to 1.5 mm, apex mucronulate or acuminate, glands patelliform, sessile, to 1.3 mm diam.

sessile, 1–1.2(–2) cm;

staminate flowers crowded, 1 per node;

pistillate flowers 1–3, crowded;

bracts linear-lanceolate, to 2 mm, apex acute, glands patelliform, long-stalked, 1.5–-2 mm diam.

calyx to 1 mm.

calyx to 1 mm.

sepals 0;

styles connate only at base, to 4 mm.

sepals 0;

styles connate only at base, to 3 mm.

oblate, 3 × 4 mm, deeply 3-lobed;

lobes of gynobase 1.5–2 mm;

columella persistent.

ovoid, 3.5 × 4–4.5 mm, deeply 3-lobed;

lobes of gynobase 2 mm;

columella sometimes persistent.

brown, often mottled, ovoid, 2.3 × 1.3 mm, smooth;

caruncle minute.

mottled light gray, cylindric-ovoid, 3.5 × 1.8 mm, smooth;

caruncle absent.