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 1–2 mm, tomentose;

blade narrowly elliptic, sometimes lance-elliptic, rarely lanceolate, 5–11 × 2–6 mm, coriaceous, base narrowly cuneate, margins slightly revolute, veins 2–4, slightly sunken, apex acute or obtuse with long mucro, abaxial surfaces grayish white-tomentose, adaxial dark green, shiny, not glaucous, minutely rugose and verruculose, flat between lateral veins, initially pilose-strigose, soon glabrate.

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

on fertile shoots 10–20 mm with 4 leaves, 1(–3)-flowered.

2–4 mm, pilose-strigose.

1–3 mm, tomentose.

(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.

erect, 7–8 mm diam.;

buds white;

hypanthium funnelform, densely villous, becoming glabrate;

sepals: margins villous, apex cuspidate or acuminate, surfaces tomentose;

petals spreading, white, glabrous or hairy;

stamens 20, filaments white, anthers purple;

styles 2.

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.

bright red, sometimes tinged crimson or cherry, globose, subglobose, or depressed-globose, 6–7 × 5–8 mm, shiny, not glaucous, sparsely villous;

sepals suberect or erect as coronet, villous to sparsely so;

navel open with pyrenes exserted;

style remnants at apex.

(4 or)5.

2.

= 68 (Germany).