Flora of North America species comparison

5–20 cm diam.;

bark purplish brown or gray-brown, peeling irregularly;

young branches purplish brown and densely puberulous, becoming grayish purple or grayish brown and glabrous at maturity; flowering shoots producing spurs, (5–)10–20(–35) mm.

to 30 cm diam.;

bark purplish brown, smooth, split irregularly when old;

young branches orangish brown and puberulent, becoming dark purple or purplish brown and glabrous; flowering shoots developing as spurs, rarely as thorns, (5–)15–20(–35) mm.

purplish brown, ovoid, 5–7 mm, scale margins sparsely pubescent.

purplish brown, ovoid, 20–30 mm, glabrous or only terminal scale margins puberulous.

convolute in bud;

isomorphic;

stipules deciduous, lanceolate, 4–5 mm, apex acuminate;

petiole 10–50 mm, tomentose;

blade elliptic or ovate, (3.5–)5–9.5(–11) × (2–)4–5(–8) cm, base broadly cuneate, margins unlobed, acutely serrate or serrulate, sometimes doubly serrate, apex acuminate or acute, sometimes cuspidate, abaxial surface glabrous, adaxial puberulent or subglabrous.

conduplicate in bud;

isomorphic;

stipules deciduous, lanceolate, 4–6 mm, apex acute or acuminate;

petiole 10–25 mm, puberulous;

blade narrowly elliptic, elliptic, or ovate, 3–7 × 2–4 cm, base broadly cuneate or rounded, margins usually 3-lobed, serrate, apex acute, abaxial surface puberulous when young, veins puberulous at maturity, adaxial glabrous.

umbel-like;

peduncles 0–2 mm;

bracteoles deciduous, rare, ± middle of pedicel, filiform, 3–4 mm.

umbel-like;

peduncles absent;

bracteoles deciduous, filiform, 4–5 mm.

20–35 mm, puberulous.

20–25 mm, pubescent or subglabrous.

(30–)40–50 mm diam.;

hypanthium puberulent;

sepals triangular-lanceolate or lanceolate, 7–9 mm, longer than tube, apex acuminate, surfaces puberulent;

petals white, obovate or elliptic, 25–30 mm, claws 1–2 mm, margins entire, apex rounded;

stamens ca. 20, 8–10 mm, anthers yellow before dehiscence;

styles 4 or 5, basally connate 1/3 length, 9–11 mm, longer than stamens, proximally tomentose.

20–30 mm diam.;

hypanthium subglabrous or pubescent;

sepals lanceolate, 6–9 mm, to 2 times as long as tube, apex caudate-acuminate, abaxial surface glabrous, adaxial tomentose;

petals white, sometimes pink-white, elliptic-obovate, 15–18 mm, claws 1–2 mm, margins entire, sometimes crenulate, apex rounded;

stamens 20, 7–9 mm, anthers yellow before dehiscence;

styles 3 or 4(or 5), basally connate to 1/2 length, 8–10 mm, slightly longer than stamens, proximally villous or lanate.

yellow to dark red, ovoid or oblong, 20–25(–34) mm diam., cores enclosed at apex;

sepals persistent, reflexed (erect), raised, swollen at base;

sclereids sparse surrounding core.

red or brownish yellow, subglobose, 6–8(–10) mm diam., cores enclosed at apex;

sepals deciduous;

sclereids absent or relatively few surrounding core.

dark brown.

reddish brown.

= 34, 51.

= 34, 51.