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 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.

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.

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

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

bracts and bracteoles caducous.

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.

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.

purple black, ellipsoid, 15–20 mm;

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

yellow or reddish, subglobose, 30–40 mm;

calyx lobes persistent, erect in developing fruit.

= 22.