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.

deciduous;

petiole 1–2 mm, glabrescent;

blade elliptic or ovate, rarely suborbiculate, 8–15 × 5–12 mm, chartaceous, base rounded, margins slightly undulate, not revolute, veins 2 or 3, superficial, apex acute or obtuse, abaxial surfaces green, glabrate, midrib strigose, adaxial green, dull to slightly shiny, not glaucous, flat between lateral veins, glabrous.

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

on fertile shoots 6–10 mm with 2 or 3 leaves, 1(or 2)-flowered, subsessile.

2–4 mm, pilose-strigose.

0–1.5 mm, glabrate.

(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.

4–7 mm;

hypanthium funnelform, maroon, glabrate;

sepals sometimes recurved, margins villous, apex lingulate or acute, surfaces glabrous;

petals erect, dark red;

stamens 10(–13), filaments pink to red, anthers white;

styles 2(or 3).

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, broadly obovoid to globose, 6–7 mm, shiny, not glaucous, succulent, glabrous;

sepals suberect, glabrous;

navel open;

style remnants 4/5 from base.

(4 or)5.

2(or 3).

= 34 (Sweden).