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silver-leaf cotoneaster, woolly cotoneaster

Habit Shrubs, 1–5 m. Stems erect, wide-spreading, arching, pendulous, slender; branches spiraled, purple-black, tomentose-villous.
Leaves

persistent;

petiole 4–7 mm, tomentose;

blade elliptic, sometimes broadly elliptic, 15–35(–39) x 10–19(–26) mm, mid-coriaceous, base cuneate, margins flat, veins 4–6, usually superficial, sometimes slightly sunken, apex acute or obtuse, abaxial surfaces whitish tomentose, adaxial green to blue-green, dull, not glaucous, usually flat between lateral veins, initially sparsely pilose.

Inflorescences

on fertile shoots 20–45 mm, usually with 4 leaves, (3–)5–15(–25)-flowered, compact.

Pedicels

1–5 mm, tomentose.

Flowers

[7–]8.5–10 mm diam.;

buds white;

hypanthium funnelform or cupulate, silky-tomentose;

sepals: margins villous, borders white, narrow, membranous, apex red, cuspidate, sometimes acute or obtuse, surfaces tomentose;

petals spreading, white, sometimes with hair tuft;

stamens 16–20, filaments white, anthers dark pink-purple to purple;

styles (1 or)2.

Pomes

red, globose, depressed-globose, subglobose, or broadly obovoid, 5–9.2 × 5.5–9.5 mm, shiny, not glaucous, villous;

sepals suberect, tomentose;

navel open;

style remnants at apex.

Pyrenes

(1 or)2.

2n

= 68 (Germany).

Cotoneaster pannosus

Phenology Flowering May–Aug; fruiting Oct–May.
Habitat Thickets, meadows, sea cliffs, canyons, coastal chaparral, springs, edges, waste ground, pastures, disturbed forests
Elevation 0–800 m (0–2600 ft)
Distribution
from FNA
CA; OR; Asia (China) [Introduced in North America; introduced also in Europe, Africa (South Africa), Pacific Islands (Hawaii, New Zealand), Australia]
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 9, p. 455.
Parent taxa Rosaceae > subfam. Amygdaloideae > tribe Maleae > Cotoneaster
Sibling taxa
C. adpressus, C. atropurpureus, C. cochleatus, C. conspicuus, C. crispii, C. dammeri, C. dielsianus, C. divaricatus, C. fangianus, C. franchetii, C. frigidus, C. gamblei, C. hjelmqvistii, C. hodjingensis, C. horizontalis, C. integrifolius, C. lacteus, C. lucidus, C. magnificus, C. melanocarpus, C. miniatus, C. monopyrenus, C. nitens, C. qungbixiensis, C. rehderi, C. salicifolius, C. simonsii, C. sternianus, C. tengyuehensis, C. transens, C. vestitus, C. villosulus, C. ×suecicus
Name authority Franchet: Pl. Delavay., 223. (1890)
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