Cotoneaster dammeri |
Cotoneaster adpressus |
|
---|---|---|
bearberry cotoneaster |
creeping cotoneaster |
|
Habit | Shrubs, to 0.2 m. Stems carpeting or procumbent, rooting, to 1.5 m, pliant; branches distichous or spiraled, greenish to light brown, densely lenticellate, initially pilose-strigose. | Shrubs, mound-forming, to 0.3 m. Stems divaricate, prostrate to procumbent, rooting, to 0.8 m long, stiff; branches distichous, maroon, initially strigose-villous. |
Leaves | persistent; petiole 2–9 mm, villose-strigose; blade elliptic or obovate, rarely suborbiculate, 13–43 × 6–26 mm, coriaceous, base cuneate or obtuse, margins revolute, veins 5–8, sunken, apex obtuse or acute, rarely retuse, abaxial surfaces grayish green, reticulate, initially villous, adaxial light green to green, intensely shiny, not glaucous, reticulate-rugose, not bulging between lateral veins, often single hairs on midrib. |
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. |
Inflorescences | on fertile shoots 20–40 mm, usually with 4 leaves, (1 or)2 or 3(or 4)-flowered, compact. |
on fertile shoots 6–10 mm with 2 or 3 leaves, 1(or 2)-flowered, subsessile. |
Pedicels | 4–15 mm, thin, villose-strigose. |
0–1.5 mm, glabrate. |
Flowers | slightly pendent, 10–12 mm diam.; buds white; hypanthium cupulate, sparsely pilose-strigose; sepals: margins sparsely villous, apex obtuse or acute, surfaces sparsely pilose-strigose; petals spreading, white, glabrous; stamens 20, filaments white, anthers purple-black; 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). |
Pomes | bright red, obovoid to broadly obovoid, rarely globose, 6–10 × 6–8 mm, shiny, not glaucous, glabrous; sepals suberect, glabrous; navel open; style remnants at apex. |
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. |
Pyrenes | 4 or 5. |
2(or 3). |
2n | = 34 (Germany). |
= 34 (Sweden). |
Cotoneaster dammeri |
Cotoneaster adpressus |
|
Phenology | Flowering May–Jun; fruiting Sep–Apr. | Flowering Apr–May; fruiting Sep. |
Habitat | Disturbed forests, grassy banks, rock roadcuts, urban waste ground | Disturbed ground, gravel pits |
Elevation | 0–200 m (0–700 ft) | 0–400 m (0–1300 ft) |
Distribution |
WA; BC; Asia (China) [Introduced in North America; introduced also in Europe] |
MI; Asia (China) [Introduced in North America; introduced also in Europe] |
Source | FNA vol. 9, p. 459. | FNA vol. 9, p. 460. |
Parent taxa | ||
Sibling taxa | ||
Name authority | C. K. Schneider: Ill. Handb. Laubholzk. 1: 761, figs. 429 h–k. (1906) | Bois: Bull. Soc. Bot. France 51(sess. extraord.): cxlix, fig. [p. cl.] (1907) |
Web links |