Maackia amurensis
Species of legume From Wikipedia, the free encyclopedia
Maackia amurensis, commonly known as the Amur maackia, is a species of tree in the family Fabaceae that can grow 15 metres (49 ft) tall. The species epithet and common names are from the Amur River region, where the tree originated; it occurs in northeastern China, Korea, and Russia.[1]
| Maackia amurensis | |
|---|---|
| |
| Maackia amurensis at Morton Arboretum | |
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Faboideae |
| Genus: | Maackia |
| Species: | M. amurensis |
| Binomial name | |
| Maackia amurensis | |
Amur maackia tolerates severe dryness, cold and heavy soils. More interesting than the summer flowers are the unfolding buds in spring which appear silvery and showy like flowers with frost on them.
Named for Richard Otto Karlovich Maack (Richard Maack), a 19th-century Siberian explorer who discovered the tree in the Amur River region on the border between Siberia and China.
Chemistry
The isoflavones daidzein, retusin, genistein and formononetin and the pterocarpans maackiain and medicarpin can be found in M. amurensis cell cultures.[2]
The quinolizidine alkaloids tetrahydroleontidine and 11-epileontidane have been isolated from the species (their only natural source so far).[3]
Gallery
- Botanical plate from the journal Addisonia showing anatomical detail of ssp. buergeri
- Information board (showing range of species) in Moscow’s Biryulevsky arboretum
- Young Spring shoots
- Closeup of young leaves, showing silvery pubescence
- Mature pinnate leaf and bumblebee-pollinated inflorescence
- Close-up of bumblebee pollinating flowers
- Mature shoots bearing upright inflorescences
- Upright inflorescence, street tree, Bozeman, Montana, US
- Flowers in extreme closeup
- Ripe seed pods
- Diamond-patterned bark of mature tree trunk
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References
External links
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