Flora of North America species comparison

(12–)20–30(–40) cm diam.;

bark gray to reddish brown, smooth when young, scaly and deeply fissured at maturity;

young branches reddish, puberulent when young, becoming reddish brown or gray and glabrous;

lateral flowering shoots becoming spurs, 10–30(–50) mm.

red-brown, ovoid, 1.5–4 mm, scale margins ciliate.

conduplicate in bud;

isomorphic;

stipules deciduous, narrowly lanceolate, 1–5 mm, apex acuminate;

petiole 10–30 mm, tomentose, glabrescent;

blade ovate, sometimes oval, elliptic, or lanceolate, 3–9(–11) × 1–4 cm, base rounded to cuneate, margins unlobed or 3-lobed, serrate to doubly serrate, sometimes serrulate, apex acute or acuminate, abaxial surface glabrous, adaxial puberulent.

corymblike;

peduncles absent;

bracts absent;

bracteoles sometimes persistent, filiform, 1–4 mm.

15–40 mm, villous or glabrous.

15–20 mm diam.;

hypanthium glabrous or tomentose;

sepals triangular, 3–6 mm, shorter than tube, apex apiculate, abaxial surface glabrous, adaxial hoary-tomentose;

petals white, sometimes pink, orbiculate to obovate, (6–)10–15 mm, claws 1.5–2 mm, margins erose or undulate, apex rounded;

stamens ca. 20, 4–6 mm, anthers white before dehiscence;

styles 3(or 4), connate in proximal 1/3, 6–7 mm, longer than stamens, glabrous.

yellow to purplish red, oblong, sometimes ovoid or obovoid, 6–10(–13) mm diam., cores enclosed at apex;

sepals deciduous, sometimes tardily;

sclereids abundant surrounding core.

reddish brown.

= 34.