Flora of North America species comparison

erect;

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

erect, arching, long;

branches distichous, grayish maroon, initially densely strigose.

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.

deciduous (sometimes tardily so on vigorous shoots);

petiole 1–4 mm, strigose;

blade ovate or elliptic, (25–)30–50(–61) x 12–32 mm, chartaceous, base cuneate or rounded, margins flat, veins 3–5, deeply sunken, apex acuminate or acute, abaxial surfaces grayish green, villose-strigose or sparsely to moderately gray-tomentose, adaxial green to dark green, shiny, not glaucous, flat or faintly bulging between lateral veins, pilose-strigose;

fall leaves yellow to orange.

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

on fertile shoots 25–40 mm with (3 or)4 leaves, 3–7(–9)-flowered, compact.

1–3 mm, strigose.

1–4 mm, densely strigose.

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).

erect or ascending, [5–]6–8 mm, opening small;

hypanthium cupulate, strigose;

sepals: margins villous, borders reddish brown, glabrous, apex acuminate or cuspidate, surfaces strigose;

petals erect-incurved, pink to red, base dark pink or red, rarely dark red or maroon, margins white;

stamens 20 or 21, filaments pink or pale pink, whitish distally, anthers white;

styles (2 or)3–5.

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.

spreading or pendent, bright red, broadly obovoid or subglobose, rarely oblong-obovoid, 6.3–10.4 × 5.8–9.1 mm, shiny, not glaucous, sparsely strigose;

sepals flat or suberect, strigose;

navel closed;

style remnants 2/3 from base.

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

(2 or)3–5.

= 68 (Germany).