Flora of North America species comparison

erect;

branches divaricate or spiraled, spreading, lateral branches well developed, usually arching, long, brownish violet, initially strigose.

deciduous;

petiole 4–8 mm, strigose;

blade elliptic or ovate, sometimes obovate, 28–50(–65) x 17–32(–40) mm, chartaceous, base cuneate or rounded, margins flat, not revolute, veins 3–5, sunken, apex short-acuminate or acute, abaxial surfaces green, sparsely pilose-strigose, adaxial dark green, intensely shiny, not glaucous, flat or scarcely bulging between lateral veins, slightly rugose, initially sparsely strigose;

fall leaves intense dark red, yellow, or orange.

deciduous;

petiole 3–4 mm, strigose;

blade elliptic, rarely ovate or suborbiculate, on sterile shoots usually elliptic or broadly elliptic, 10–30 × 7–21 mm, chartaceous, base obtuse, margins flat, not revolute, sometimes undulate, veins 3 or 4, superficial or slightly sunken, apex acute, rarely acuminate, abaxial surfaces pale green, initially strigose, adaxial dark green, shiny, not glaucous, flat between lateral veins, initially sparsely strigose;

fall leaves orange, red, or reddish purple.

on fertile shoots 25–50 mm with 4 or 5 leaves, 2–6(–15)-flowered, lax.

on fertile shoots 10–20 mm with 4 leaves, 1–4-flowered, compact.

5–12 mm, sparsely pilose.

1–3 mm, strigose.

5.5–8 mm, largely open;

hypanthium cupulate, base sparsely pilose, glabrescent;

sepals: margins villous, apex acute or acuminate, surfaces glabrous;

petals erect, pinkish white, sometimes green-tinged, base dark pink or reddish;

stamens 18–20, filaments pink, base dark pink, anthers white;

styles 2 or 3.

6–8 mm, opening small;

hypanthium cupulate, strigose;

sepals: margins villous, apex acute or acuminate, surfaces strigose;

petals erect-incurved, pale red, base dark red, border white;

stamens 10–15, filaments dark red, whitish distally, anthers white;

styles (1 or)2(or 3).

black, broadly obovoid to obovoid, rarely ellipsoid or globose, (8–)9.5–12.1 x (7.5–)8.7–11.8 mm, shiny, glaucous, sparsely pilose;

sepals flat, margins villous, sparsely pilose;

navel open;

style remnants 2/3 from base.

dark red to ruby (finally blackish red), cylindric, oblong-ellipsoid, or narrowly obovoid, 8–11 × 4–8 mm, shiny, not glaucous, sparsely pilose;

sepals suberect, sparsely pilose;

navel open;

style remnants 2/3 from base.

2 or 3.

(1 or)2(or 3) [rarely 4].

= 68 (Germany).