| Habit | tree
| |
|---|---|---|
| Height: | ⇕ | 30 ft"ft" can not be assigned to a declared number type with value 30. |
| Width: | ⇔ | 25 ft"ft" can not be assigned to a declared number type with value 25. |
| Lifespan: | ⌛ | perennial |
| Origin: | ✈ | China |
| Bloom: | ❀ | early spring, mid spring, late spring |
| Exposure: | ☼ | sun |
|---|---|---|
| Features: | ✓ | deciduous, flowers |
| Minimum Temp: | ☃ | -35°C-31 °F <br />238.15 K <br />428.67 °R <br /> |
| USDA Zones: | 6 to 8 | |
| Sunset Zones: | 4-9, 14-17, 20, 31-34 |
|
Acer > |
Acer buergerianum (Trident Maple) is a species of maple native to eastern China (from Shandong west to southeastern Gansu, south to Guangdong and southwest to Sichuan) and Taiwan.[1][2] It is widely grown in temperate regions as an ornamental tree.
It is a small to medium-sized deciduous tree reaching a height of 5-20 m with a trunk up to 50 cm diameter. The leaves are in opposite pairs, 2.5-8 cm long (excluding the 2-5 cm petiole) and 3.5–6.5 cm broad, hard, glossy dark green above, paler below, usually with three lobes; on mature trees the lobes forward-pointing and with smooth margins, on young trees with more spreading lobes and serrated margins. The flowers are produced in spring, yellow-green, in pendulous corymbs; they are small, with five greenish sepals and five yellow-white petals about 2 mm long, and eight stamens. The fruit is a samara with two winged seeds, each seed 4-7 mm diameter, with a 15 mm wing; the wings are forward-pointing and often overlapping each other.[1][3][4]
- More information about this species can be found on the genus page.
Cultivation
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Propagation
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Pests and diseases
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Varieties
Several interesting cultivars have been developed, many of these bear Japanese names. Notable cultivars include 'Goshiki Kaede' (striking pink and green variegation), 'Kifu Nishiki' (roundish, almost un-lobed leaves), 'Mino Yatsubusa' (dwarf with long, narrow leaves) 'Mitsubato Kaede' (distinctive cork-like trunk) and 'Naruto' (strongly incurved leaf surface).[3]
The species is variable, and a number of varieties have been described:[1]
- Acer buergerianum var. buergerianum. Hubei, Hunan, Jiangsu, Jiangxi, Shandong, Zhejiang.
- Acer buergerianum var. jiujiangense Z.X.Yu. Jiangxi.
- Acer buergerianum var. horizontale F.P.Metcalf. Southern Zhejiang.
- Acer buergerianum var. formosanum (Hayata ex Koidzumi) Sasaki. Taiwan (endemic).
- Acer buergerianum var. kaiscianense (Pampanini) W.P.Fang. Gansu, Hubei, Shaanxi.
- Acer buergerianum var. yentangense W.P.Fang & M.Y.Fang. Zhejiang.
A few trees have consistently unlobed leaves; these were first described as a variety A. trifidium var. integrifolium Makino (A. trifidium is an old synonym of A. buergerianum), but are now not distinguished from the species.[5] Occasional unlobed leaves also occur on most trees with otherwise normal three-lobed leaves.[6]
Gallery
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photo 1
photo 2
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photo 3
References
External links
- w:Trident Maple. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
- Trident Maple QR Code (Size 50, 100, 200, 500)
- ↑ 1.0 1.1 1.2 Flora of China (draft): Aceraceae
- ↑ Germplasm Resources Information Network: Acer buergerianum
- ↑ 3.0 3.1 van Gelderen, C.J. & van Gelderen, D.M. (1999). Maples for Gardens: A Color Encyclopedia
- ↑ Rushforth, K. (1999). Trees of Britain and Europe. Collins ISBN 0-00-220013-9.
- ↑ Makino Herbarium, Tokyo: Acer trifidium
- ↑ Mitchell, A. F. (1974). A Field Guide to the Trees of Britain and Northern Europe. Collins ISBN 0-00-212035-6