Difference between revisions of "Acer triflorum"
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| − | + | '''''Acer triflorum''''' ('''Three-flowered Maple''') is a species of [[maple]] native to hills of northern [[China]] and [[Korea]]. | |
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| + | 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"/> | ||
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| + | 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"/>. | ||
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| + | 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>. | ||
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| + | The species was first introduced to cultivation in 1923. Although common in maple collections, it is rarely seen in cultivation outside of [[arboretum|arboreta]]. | ||
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| + | 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"/> | ||
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| + | 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== | ==Cultivation== | ||
Latest revision as of 21:14, 2 November 2010
| Habit | tree
| |
|---|---|---|
| Height: | ⇕ | 20 ft"ft" can not be assigned to a declared number type with value 20. to 30 ft"ft" can not be assigned to a declared number type with value 30. |
| Width: | ⇔ | 20 ft"ft" can not be assigned to a declared number type with value 20. to 30 ft"ft" can not be assigned to a declared number type with value 30. |
| Lifespan: | ⌛ | perennial |
| Bloom: | ❀ | early spring, mid spring, late spring |
| Exposure: | ☼ | part-sun, shade |
|---|---|---|
| Features: | ✓ | deciduous |
| USDA Zones: | 5 to 7 | |
| Flower features: | ❀ | orange, yellow |
|
Acer > |
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[1][2]. It is a trifoliate maple related to such other species as Manchurian Maple (Acer mandshuricum) and Paperbark Maple (Acer griseum). It has yellowish-brown exfoliating bark that peels in woody scales rather than papery pieces like Acer griseum.[2]
The leaves have a 2.5-6 cm 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 flowers are yellow, produced in small corymbs of three small flowers each, hence the name. The samaras are 3.5-4.5 cm long and 1.3-2 cm broad, hairy, the nutlet with a woody shell[1][2].
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[3].
The species was first introduced to cultivation in 1923. Although common in maple collections, it is rarely seen in cultivation outside of 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[3]. Propagation is similar to that required for Acer griseum and the number of viable seeds is likewise very small.[2]
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
photo 1
photo 2
photo 3
References
- ↑ 1.0 1.1 Xu, T.-z., Chen, Y., de Jong, P. C., & Oterdoom, H. J. Flora of China: Aceraceae (draft)
- ↑ 2.0 2.1 2.2 2.3 van Gelderen, C.J. & van Gelderen, D.M. (1999). Maples for Gardens: A Color Encyclopedia.
- ↑ 3.0 3.1 NCSi factsheet: Acer triflorum
External links
- w:Acer triflorum. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
- Acer triflorum QR Code (Size 50, 100, 200, 500)
