| Indigofera decora | |
|---|---|
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| Summer wisteria | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Faboideae |
| Genus: | Indigofera |
| Species: | I. decora |
| Binomial name | |
| Indigofera decora Lindl. | |
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| Distribution in Australia | |
| Synonyms | |
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Indigofera decora, commonly known as summer wisteria, is a species of shrub native to China and Japan that has since been introduced to Australia and Sri Lanka. A member of the genus Indigofera, its family is Fabaceae and is used primarily for decorative purposes, though it has also been used to make indigo-colored dye.
I. decora is a deciduous, spreading shrub. It often grows 1–2.5 feet tall and 3-4 feet wide. It features compound, pinnate leaves up to 8 inches long with 7-13 elliptic, dark green leaflets. In the summer, it produces axillary racemes of light pink or purple pea-like flowers. Each raceme may boast twenty to forty flowers, and the calyxes have broadly triangular lobes.
I. decora is best suited to well-drained, neutral to slightly alkaline soils. It is somewhat heat and drought tolerant, but benefits from afternoon shade in hot, humid environments. It is cold hardy in the US in zones 7–11.
Varieties
There are three recognised varieties of Indigofera decora:
- Indigofera decora var. chalara (Craib) Y.Y.Fang & C.Z.Zheng
- Indigofera decora var. cooperi (Craib) Y.Y.Fang & C.Z.Zheng
- Indigofera decora var. ichangensis (Craib) Y.Y.Fang & C.Z.Zheng
References
- "Indigofera incarnata (Willd.) Nakai | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2021-03-08.
- ^ "Species Details : Indigofera decora Lindl". Catalogue of Life. Retrieved 26 January 2019.
- ^ "Indigofera decora". Missouri Botanical Garden. Retrieved 26 January 2019.
- ^ "Indigofera incarnata (Chinese Indigo) | North Carolina Extension Gardener Plant Toolbox". plants.ces.ncsu.edu. Retrieved 2021-03-08.
- "Indigofera decora - Trees and Shrubs Online". treesandshrubsonline.org. Retrieved 2021-03-08.
External links
Media related to Indigofera decora at Wikimedia Commons
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