Cotoneaster melanocarpus
dark cotoneaster, dark-fruit cotoneaster
deciduous;
petiole 4–7 mm, tomentose-villous;
blade elliptic to ovate, 33–45 × 20–32 mm, chartaceous, base rounded, margins flat, veins 5–7, superficial, apex acute or obtuse, abaxial surfaces densely silvery-pilose-villous, adaxial green to dark green, dull to slightly shiny, not glaucous, flat between lateral veins, rugose, sparsely pilose;
fall leaves lacking notable color.
on fertile shoots 25–30 mm with 3 or 4 leaves, 5–13-flowered, pendent, lax.
3–8 mm, sometimes sparsely villous.
erect, 6–7 mm, open;
hypanthium cupulate, dark reddish brown, glabrous;
sepals: margins erose, apex acute or obtuse, surfaces glabrous, often apically villous;
petals erect, greenish white with pink, red, base slightly darkened, margins white, glabrous;
stamens 20(–22), filaments white, anthers white;
styles 2–4.
purple-black, obovoid or globose, 7–9 × 7–9 mm, dull, glaucous with blue tinge, glabrous;
sepals suberect, glabrous or apically villous;
navel open;
style remnants 2/3 from base.
2–4.
= 48–52, 68 (Russia).
Cotoneaster melanocarpus
Cotoneaster melanocarpus is said to hybridize spontaneously with Sorbus aucuparia in Siberia, forming x\Sorbocotoneaster Pojarkova. The actual Cotoneaster parent is more likely to be a diploid and needs investigation.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
WildflowerSearch
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USDA Plants Database
