Flora of North America species comparison

erect to ascending, much-branched, 3–10(–15) dm, ± glandular-pubescent.

erect to ascending, branched, 3–5.5 dm, pilose with glandular trichomes or sessile glands.

aromatic, distal leaves sessile;

petiole to 18 mm;

blade ovate to oblong-lanceolate or lanceolate, proximal ones mostly lanceolate, 2–8(–12) × 0.5–4(–5.5) cm, base cuneate, margins entire, dentate, or laciniate, apex obtuse to attenuate, copiously gland-dotted (rarely glabrous).

aromatic;

petiole 0.5–1.4 cm;

blade ovate to broadly ovate, 0.9–1.6 × 0.8–1.4 cm, somewhat reduced in inflorescence, base cuneate to truncate, apex acute, glandular-puberulose and pilosulose on veins.

lateral spikes, 3–7 cm;

glomerules globose, 1.5–2.3 mm diam.;

bracts leaflike, lanceolate, oblanceolate, spatulate, or linear, 0.3–2.5 cm, apex obtuse, acute, or attenuate.

axillary glomerules;

glomerules subglobose, 1.5–2.5 mm diam.;

bracts leaflike, ovate, 3–5 mm, margins crenate-dentate, apex acute.

perianth segments 4–5, connate for ca. 1/2 their length, distinct portion ovate, rounded abaxially, 0.7–1 mm, apex obtuse, glandular-pubescent, covering seed at maturity;

stamens 4–5;

stigmas 3.

perianth segments 5, distinct nearly to base, distinct portions narrow-oblong, prominently keeled especially apically, 0.8–0.9 × 0.3–0.4 mm, apex acute, not crested, covered with septate hairs, becoming coriaceous and white in fruit;

stamens absent or 1;

stigmas 2.

ovoid;

pericarp nonadherent, rugose to smooth.

ovoid;

pericarp adherent, membranaceous, slightly rugose.

horizontal or vertical, reddish brown, ovoid, 0.6–1 × 0.4–0.5 mm;

seed coat rugose to smooth.

reddish brown, ovoid, 0.6 × 0.3–0.4 mm, margins keeled over radicle and channeled over cotyledons;

seed coat smooth.