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cotoneaster, Franchet's cotoneaster, orange cotoneaster

magnificent cotoneaster

Habit Shrubs, 2–3 m. Stems erect, arching, lax, slender; branches distichous, maroon, initially densely pilose-strigose. Shrubs, 3–5 m. Stems erect, spreading, arching; branches spiraled and distichous, maroon, initially tomentose-pilose.
Leaves

persistent, often 30–40 mm apart;

petiole 2–4 mm, tomentose-pilose;

blade ovate or elliptic, 22–58 × 12–29 mm, coriaceous, base cuneate or obtuse, margins flat, veins 4 or 5, sunken, apex acute or acuminate, mucronate, abaxial surfaces silvery-tomentose, adaxial grayish green, slightly shiny, not glaucous, flat, rarely slightly bulging between lateral veins, drying slightly rugose, pilose.

deciduous;

petiole 5–8 mm, pilose-villous;

blade suborbiculate, broadly elliptic, ovate, or rhombic, 34–40 × 20–32 mm, subcoriaceous, base obtuse or cuneate, margins flat, veins 5 or 6, superficial, apex acute [acuminate or apiculate], abaxial surfaces pale green, initially densely pilose, soon glabrous, adaxial brownish or coppery green, soon light green, slightly shiny, not glaucous, flat between lateral veins, glabrescent;

fall leaves lacking notable color.

Inflorescences

on fertile shoots 30–60 mm with 4 leaves, 5–15(–25)-flowered, compact.

on fertile shoots 25–40 mm with 3 or 4 leaves, 5–12-flowered, lax.

Pedicels

1–4 mm, densely long-silky hairy.

3–12 mm, glabrate.

Flowers

(5–)7–8(–10) mm, opening small;

hypanthium cupulate, densely long-silky hairy;

sepals: margins villous, borders purple, glabrous, apex cuspidate or acuminate, surfaces silky hairy;

petals erect-incurved, pink or red, base dark pink to dark red, margins off-white;

stamens 16–21, filaments pink, distally white, anthers pink or purplish pink;

styles 2 or 3(or 4).

12–14 mm diam.;

buds white;

hypanthium cupulate, glabrous;

sepals: margins sparsely villous, apex acute or obtuse, surfaces glabrous;

petals spreading, white, with hair tuft;

stamens (16–)20, filaments white, anthers white;

styles (1 or)2.

Pomes

orange-red, obovoid base rounded or obconic base cuneate, straight-sided, 8–12 × 6–9 mm, apex flat, shiny, not glaucous, sparsely pilose;

sepals flat, often asymmetric with 2 sepals longer than others, tomentose;

navel slightly open;

style remnants 3/4 from base.

red, dark red, red-purple, crimson, or rich red with cherry, globose or depressed-globose, 10–13 × 12–13 mm, slightly shiny, not glaucous, glabrous;

sepals suberect, indumentum not recorded;

navel semiopen;

style remnants at or near apex.

Pyrenes

2 or 3(or 4).

(1 or)2.

2n

= 68 (Germany).

= 68.

Cotoneaster franchetii

Cotoneaster magnificus

Phenology Flowering May–Jul; fruiting Oct–Apr. Flowering May–Jun; fruiting Sep–Nov.
Habitat Edges, thickets, disturbed forests, flood plains, urban waste ground, mossy ledges, wet prairie remnants Thickets, hedgerows, edges
Elevation 0–700 m (0–2300 ft) 0–300 m (0–1000 ft)
Distribution
from FNA
CA; OR; WA; BC; Asia (China) [Introduced in North America; introduced also in Europe, Pacific Islands (New Zealand), Australia]
[WildflowerSearch map]
[BONAP county map]
from FNA
IA; IL; Asia (China) [Introduced in North America]
[BONAP county map]
Discussion

Reports of Cotoneaster franchetii from Colorado (J. Ells 2006) are here referred to C. lucidus. A few specimens escaped in Washington have red filaments, not pink, but otherwise agree with C. franchetii. Other escapes in Washington suggest the closely related C. wardii W. W. Smith, distinguished by semievergreen habit, longer fertile shoots, more lax and elongate inflorescences, and white anthers. The entire complex needs biosystematic review.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Cotoneaster magnificus was synonymized with C. multiflorus Bunge by L. Lingdi and A. R. Brach (2003). Flowers of the latter are 9–10 mm wide in clusters of 10–20, the flowering pedicels are to 7 mm, and the leaves are smaller, thinner, and tend to be ovate. Plants of C. magnificus have flowers 12–14 mm wide in clusters of 5–12, flowering pedicels are to 12 mm, and the leaves are larger, thicker, and mostly elliptic. Reports of wild C. multiflorus from Illinois (F. Swink and G. S. Wilhelm 1994; J. T. Kartesz and C. A. Meacham 2003) and Iowa (W. R. Norris et al. 2001; Kartesz and Meacham) are referred to C. magnificus.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 9, p. 465. FNA vol. 9, p. 456.
Parent taxa Rosaceae > subfam. Amygdaloideae > tribe Maleae > Cotoneaster 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. 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. pannosus, C. qungbixiensis, C. rehderi, C. salicifolius, C. simonsii, C. sternianus, C. tengyuehensis, C. transens, C. vestitus, C. villosulus, C. ×suecicus
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. melanocarpus, C. miniatus, C. monopyrenus, C. nitens, C. pannosus, C. qungbixiensis, C. rehderi, C. salicifolius, C. simonsii, C. sternianus, C. tengyuehensis, C. transens, C. vestitus, C. villosulus, C. ×suecicus
Name authority Bois: Rev. Hort. 74: 380, figs. 159–161, 164. (1902) J. Fryer & B. Hylmö: New Plantsman 5: 138, fig. p. 140 [lower left]. (1998)
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