Flora of North America species comparison

blade drying concolorous olive or tan, ovate, elliptic, or oblong, 8–17 × 3.5–7 cm, leathery, base cuneate, obtuse, or rounded, apex acuminate or obtuse, tip bluntly acute, surfaces glandular, glossy adaxially, glands small, often punctiform, numerous, sometimes more so abaxially.

blade obovate or elliptic, 3–9 × 1.2–3.2 cm, base cuneate to narrowly so, apex acute or abruptly acuminate, mucronate, surfaces glandular or eglandular, glands sparse abaxially, small, obscure, or absent adaxially.

15–100-flowered, axillary, panicles of dichasia, 1–3 times compound;

axis 15–60 mm, lateral branches 5–20 mm, axis and branches compressed, glandular;

bracts and bracteoles caducous.

3–7-flowered, terminal, also axillary in distal leaf axils, dichasia;

axis 10–15 mm;

bracts deciduous well before anthesis (leaving prominent scar);

bracteoles early deciduous.

sessile at tips of lateral branches;

bud pyriform, 4–5 mm;

hypanthium obconic to narrowly campanulate, 3–5 mm;

calyx lobes caducous, leaving round crateriform scar at ovary summit, equal, 0.5 × 0.5 mm;

petals coherent, forming a calyptra, falling as a unit at anthesis;

stamens 50–100, 3–5 mm;

style 6–7 mm.

sessile or pedicellate;

bud clavate, 6–10 mm;

hypanthium narrowly obconic-campanulate;

calyx lobes persistent, ovate, in subequal pairs, 2–3 ×2–4 mm, margins scarious, apex bluntly acute to rounded;

petals distinct, orbiculate, 3–5 mm diam., margins scarious, apex rounded;

stamens 100–150, ca. 10 mm;

style 7–24 mm.

purple black, ellipsoid, 15–20 mm;

calyx tube reduced to persistent, apical ring, 1–2 mm diam. 2n = 22.

red or purple, globose or ellipsoid, 14–23 mm.