Flora of North America species comparison

blade drying concolorous olive or adaxially dark green, narrowly elliptic or lanceolate, 12–24 × 3–5 cm, leathery, veins brown abaxially, base narrowly cuneate or gradually rounded, apex narrowly acuminate, surfaces glandular, glands numerous abaxially, obscure adaxially.

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.

usually 2–8-flowered, usually terminal, racemes;

axis terete or quadrangular, 10–20 × 2–3 mm;

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.

pedicellate (pedicels 7–15 mm);

bud pyriform, 25–30 mm;

hypanthium infundibular or obconic, 12–17 mm, tube 4–5 mm deep, 9–10 mm diam. at mouth, base abruptly contracted to pseudostalk, 3–5 mm;

calyx lobes persistent, widely elliptic, in subequal pairs, 4–8 × 6–10 mm, convex, leathery, margins scarious, apex rounded;

petals distinct, orbiculate, 10–15 mm diam., margins scarious, prominently glandular;

stamens ca. 300, 20–40 mm;

style 40–60 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.

yellow or reddish, subglobose, 30–40 mm;

calyx lobes persistent, erect in developing fruit.

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

= 22.