General: Tall shrub or small tree, 2-8 (12) m tall; branches armed with stiff, sharp, thorn-like spur-shoots; young twigs curly-hairy; bark brown, rough, shredding, the older bark deeply fissured.
Leaves: Alternate, deciduous, lance- to egg-shaped, long-stalked, the blades 3-9 cm long, sharp-pointed at the tip, saw-toothed and often irregularly lobed, green and smooth or hairy above, paler and hairy below.
Flowers: Inflorescences flat-topped clusters of 5 to 12 long-stalked flowers on short spur-shoots; corollas white to pink, fragrant, about 2 cm across, the petals 5, egg-shaped, 8-14 mm long; calyces hairy, 5-lobed, the lobes lanceolate, bent back, 3-5 mm long, deciduous; ovaries inferior; styles usually 3, smooth; stamens about 20.
Fruits: Fleshy pomes (small apples), ellipsoid to egg-shaped, 1-1.5 cm long, green becoming yellow to reddish or purplish, 3- to 4-chambered; seeds 1 or 2 per chamber.
A shade-intolerant. submontane to montane, Pacific North American shrub or broadleaved tree. Occurs in cool mesothermal climates on wet to very wet. nitrogen-rich soils (Moder and Mull humus forms); its occurrence decreases with increasing elevation and continentality. Scattered in opencanopy forests on water-collecting sites; often inhabits brackish-water marshes and sites affected by ocean spray; rare on water-shedding sites. Characteristic of nutrient-rich wetlands.
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2014. E-Flora BC:
Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for
Advanced Spatial Analysis, Department of Geography, University of British
Columbia, Vancouver. [Accessed:
8/1/2014 5:20:37 PM
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