Acer miyabei
From Wikipedia, the free encyclopedia
| Acer miyabei | |
|---|---|
 | |
| Morton Arboretum acc. 550-32*11 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Sapindales |
| Family: | Sapindaceae |
| Genus: | Acer |
| Section: | Acer sect. Platanoidea |
| Species: | A. miyabei |
| Binomial name | |
| Acer miyabei | |
Acer miyabei (Miyabe's or Miyabe maple; Japanese: クロビイタヤ: kurobiitaya) is a species of maple native to Japan, where it occurs in Hokkaidō and the Tōhoku region in northern Honshū.[2]
It is a small to medium-sized deciduous tree growing to 10–20 m (33–66 ft) tall, with a trunk 30–40 cm (12–16 in) diameter with rough, grey-brown bark. The leaves are five-lobed (the basal pair of lobes usually small), 7–20 cm (3–8 in) long and 12–20 cm (5–8 in) broad, with a 5–15 cm (2–6 in) long petiole; the petiole bleeds white latex if cut. The flowers are produced in spring at the same time as the leaves open, yellow-green, in erect corymbs. The fruit is a samara with two winged seeds aligned at 180°, each seed 8 mm (0.31 in) wide, flat, with a 2 cm (0.79 in) wing.[2][3]
It is an endangered species, confined to scattered locations close to streams and rivers.[2][4]
- Acer miyabei var. miyabei. Samaras downy.
- Acer miyabei var. shibatai (Nakai) Hara. Samaras hairless.
It is closely related to Acer miaotaiense from China—some authors treat this as a subspecies of A. miyabei, as Acer miyabei subsp. miaotaiense (P.C.Tsoong) E.Murray—and to Acer campestre from Europe.[2][3][6]
