Edit Plant: Acer triflorum

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'''''Acer triflorum''''' ('''Three-flowered Maple''') is a species of [[maple]] native to hills of northern [[China]] and [[Korea]]. It is a [[deciduous]] [[tree]] that reaches a height of about 25 m but is usually smaller<ref name="xu">Xu, T.-z., Chen, Y., de Jong, P. C., & Oterdoom, H. J. [http://hua.huh.harvard.edu/china/mss/volume11/Aceraceae-AGH_reviewing.htm ''Flora of China'': Aceraceae (draft)]</ref><ref name="gelderen">van Gelderen, C.J. & van Gelderen, D.M. (1999). ''Maples for Gardens: A Color Encyclopedia''.</ref>. It is a trifoliate maple related to such other species as [[Acer mandshuricum|Manchurian Maple]] (''Acer mandshuricum'') and [[Paperbark Maple]] (''Acer griseum''). It has yellowish-brown [[exfoliation (botany)|exfoliating bark]] that peels in woody scales rather than papery pieces like ''Acer griseum''.<ref name="gelderen"/> The [[leaf|leaves]] have a 2.5-6 cm [[Petiole (botany)|petiole]] and three leaflets; the leaflets are 4-9 cm long and 2-3.5 cm broad, with serrated margins, the central leaflet the same size as or slightly larger than the two side leaflets. The [[flower]]s are yellow, produced in small [[panicle|corymbs]] of three small flowers each, hence the name. The [[samara (fruit)|samaras]] are 3.5-4.5 cm long and 1.3-2 cm broad, hairy, the nutlet with a woody shell<ref name="xu"/><ref name="gelderen"/>. Even more than its relatives, three-flower maple has spectacular fall colour that may include brilliant orange, scarlet, purple and gold. It is one of the few trees to develop good fall colour in shade<ref name="ncsi">[http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/trees-new/acer_triflorum.html NCSi factsheet: ''Acer triflorum'']</ref>. The species was first introduced to cultivation in 1923. Although common in maple collections, it is rarely seen in cultivation outside of [[arboretum|arboreta]]. It grows at slow to moderate rate and prefers moist, well drained soil; growth is often [[shrub]]-like in cultivation. It is relatively tolerant of drought and clay compared to its close relatives. It does not tolerate wet or over-compacted soil<ref name="ncsi"/>. [[Plant propagation|Propagation]] is similar to that required for ''Acer griseum'' and the number of viable seeds is likewise very small.<ref name="gelderen"/> In [[Great Britain]], the largest specimens are up to 13 m tall, and 60 cm trunk diameter (Tree Register of the British Isles). In the [[United States]], mature specimens can be seen at [[Arnold Arboretum]] in [[Boston, Massachusetts]]. ==Cultivation== ===Propagation=== ===Pests and diseases=== ==Varieties== ==Gallery== <gallery perrow=5> Image:Upload.png| photo 1 Image:Upload.png| photo 2 Image:Upload.png| photo 3 </gallery> ==References== <references/>    ==External links== *{{wplink}} {{stub}} __NOTOC__

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