Flora of North America species comparison

deciduous;

petiole 0–3 mm, pilose-strigose;

blade elliptic, sometimes ovate-elliptic, rarely obovate, (50–)70–124(–210) x (24–)30–55(–90) mm, subcoriaceous, base cuneate, obtuse, truncate, or auriculate, margins flat, not revolute, veins 8–11, deeply sunken, apex long-acuminate, sometimes acute on short shoots, abaxial surfaces light green, initially yellowish strigose, adaxial green, shiny, not glaucous, strongly wrinkled or bulging between lateral veins (bullate), initially sparsely pilose;

fall leaves intense butter yellow and reddish purple.

persistent;

petiole often red, 1–3 mm, strigose;

blade elliptic, 10–27 × 4–12 mm, coriaceous, base cuneate, margins revolute, veins 4–7, superficial, apex obtuse or acute, rarely emarginate, abaxial surfaces gray-green, initially strigose-villous, midrib often red, adaxial dark green, shiny, not glaucous, flat between lateral veins, initially sparsely long-haired pilose.

on fertile shoots 60–120 mm with 4 leaves, 8–32-flowered, lax.

on fertile shoots 8–40 mm with 3 or 4 leaves, 1 or 2(–6)-flowered, compact.

2–4 mm, pilose-strigose.

1–3.5 mm, initially sparsely pilose.

(5–)7–9 mm, closed;

hypanthium shallowly cupulate, shiny, sparsely pilose-strigose;

sepals: margins villous, apex acute, surfaces shiny, glabrous;

petals erect-incurved, pink, red, greenish pink, or maroon, margins pink;

stamens 20–23, filaments pink, white distally, anthers white;

styles (4 or)5.

12–13 mm diam.;

buds white;

hypanthium cupulate, initially sparsely pilose;

sepals: margins villous, apex acute, surfaces villous;

petals spreading, white, glabrous;

stamens 15–20, filaments white, anthers dark red-purple;

styles 2–4(or 5).

bright to dark red, obovoid, broadly obovoid, or obconic, rarely globose or depressed-globose, 8–12.4 × 7–11.3 mm, shiny, not glaucous, sparsely pilose;

sepals flat, glabrous;

navel closed;

style remnants 3/4 from base.

red-orange to scarlet, obovoid to subglobose, [4–]7–11 × 7–10 mm, shiny, not glaucous, glabrous or sparsely villous;

sepals depressed to slightly ascending, glabrous or sparsely villous;

navel open;

style remnants at apex.

(4 or)5.

2–4(or 5) (always some with more than 2).

= 34 (Germany).