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'''''Acer davidii''''' ('''Père David's Maple'''), is a species of [[maple]] in the [[snakebark maple]] group. It is native to [[China]], from [[Jiangsu]] south to [[Fujian]] and [[Guangdong]], and west to southeastern [[Gansu]] and [[Yunnan]].<ref name=focd>Flora of China (draft): [http://web.archive.org/web/20060209210809/http://hua.huh.harvard.edu/china/mss/volume11/Aceraceae-AGH_coauthoring.htm Aceraceae]</ref> The tree was originally discovered by Père [[Armand David]] who was in Central China as a missionary. It was re-discovered by [[Charles Maries]] during his visit to Jiangsu in 1878.<ref>{{cite web| url= http://www.stefandrew.com/Wildlife%20Gardening_/Latinplantnames.htm|title = Latin plant names make it abundantly clear|author= Stefan Drew |publisher = www.stefandrew.com |accessdate=19 October 2008}}</ref> It is a small [[deciduous]] [[tree]] growing to 10–15 m tall with a trunk up to 40 cm diameter, though usually smaller and often with multiple trunks, and a spreading crown of long, arching branches. The [[bark]] is smooth, olive-green with regular narrow pale vertical stripes on young trees, eventually becoming dull grey-brown at the base of old trees. The [[leaf|leaves]] are 6–18 cm long and 4–9 cm broad, with a petiole 3–6 cm long; they are dark green above, paler below, ovate, unlobed or weakly three-lobed, with a serrated margin. They turn to bright yellow, orange or red in the autumn. The [[flower]]s are small, yellow, with five sepals and petals about 4 mm long; they are produced on arching to pendulous 7–12 cm [[raceme]]s in late spring, with male and female flowers on different racemes. The [[samara (fruit)|samara]] nutlets are 7–10 mm long and 4–6 mm broad, with a wing 2–3 cm long and 5 mm broad.<ref name=focd/><ref name=rushforth>Rushforth, K. (1999). ''Trees of Britain and Europe''. Collins ISBN 0-00-220013-9.</ref><ref name=gelderen>van Gelderen, C. J. & van Gelderen, D. M. (1999). ''Maples for Gardens: A Color Encyclopedia''.</ref> {{Inc| Acer davidii, Franch. Tree, to 50 ft.: branchlets glabrous: lys. ovate or oblong-ovate, 2 1/2-8 in. long, acuminate, subcordate or rounded at base, unequally crenate-serrate, green beneath and rufously villous on the veins while young, finally glabrous or nearly so: racemes slender, pendulous, glabrous: wings of fr. spreading horizontally. Cent. China.—Handsome tree; hardy at the Arnold Arboretum, the lvs. turning bright yellow or purple in autumn. In young plants, the lvs. are often lobed at the base. }} :''More information about this species can be found on the [[Acer|genus page]].'' ==Cultivation== {{edit-cult}}<!--- Type cultivation info below this line, then delete this entire line --> ===Propagation=== {{edit-prop}}<!--- Type propagation info below this line, then delete this entire line --> ===Pests and diseases=== {{edit-pests}}<!--- Type pest/disease info below this line, then delete this entire line --> ==Varieties== There are two subspecies,<ref name=focd/><ref name=gelderen/> often treated as a distinct species:<ref name=rushforth/><ref name=afm>Mitchell, A. F. (1974). ''A Field Guide to the Trees of Britain and Northern Europe''. Collins ISBN 0-00-212035-6</ref> *''Acer davidii'' subsp. ''davidii''. '''Père David's Maple'''. Bark greenish-brown with white stripes. Shoots pinkish-green. Leaf petiole pink to red; leaf margin usually single-serrate with variably-sized serrations. *''Acer davidii'' subsp. ''grosseri'' (Pax) de Jong. '''Hers's Maple''' (''Acer grosseri'' Pax; syn. ''Acer hersii'' Rehd.). Bark green with white to pale green stripes. Shoots green. Leaf petiole green; leaf margin more often three-lobed and double-serrate. Along with ''[[Acer rufinerve|A. rufinerve]]'', the two subspecies of Père David's Maple are among the most commonly cultivated snakebark maples. Both are relatively hardy and fast-growing.<ref name="gelderen"/> Among the [[cultivar]]s of ''A. davidii'' are 'Canton' (a [[Netherlands|Dutch]] cultivar with a purplish hue to its green stripes), 'George Forrest' (a [[Scotland|Scottish]] cultivar with large leaves and dark red young shoots), 'Ernest Wilson' (a specimen of which may be viewed in the [[Westonbirt Arboretum]] in [[England]]), and 'Serpentine' (a cultivar with distinctively small, narrow leaves).<ref name="gelderen"/><ref name=afm/> In some cases, these cultivars cannot be assigned to one subspecies the other but are simply considered cultivars of ''A. davidii''.<ref name="gelderen"/> ==Gallery== {{photo-sources}}<!-- remove this line if there are already 3 or more photos in the gallery --> <gallery> Image:Upload.png| photo 1 Image:Upload.png| photo 2 Image:Upload.png| photo 3 </gallery> ==References== <!--- xxxxx *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381 --> <!--- xxxxx *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432 --> <!--- xxxxx *Sunset National Garden Book. Sunset Books, Inc., 1997. ISBN 0376038608 --> ==External links== *{{wplink}} {{stub}} __NOTOC__
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