Polygala × dalmaisiana (P. fruticosa × P. myrtifolia),[1] the sweet pea shrub, is an ornamental plant of genus Polygala in the family Polygalaceae. This plant is attractive to hummingbirds, and it is often propagated by cuttings.
| Polygala × dalmaisiana | |
|---|---|
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Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Polygalaceae |
| Genus: | Polygala |
| Species: | P. × dalmaisiana
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| Binomial name | |
| Polygala × dalmaisiana | |
Growing to 1.5 m (4.9 ft), it is a tender evergreen shrub with pea-like purple flowers in late summer. As it does not tolerate temperatures below 5 °C (41 °F), in temperate zones it must be grown under glass. However it may be placed outside in a sheltered spot during the summer months.[2] It is a recipient of the Royal Horticultural Society's Award of Garden Merit. [2]
References
edit- ^ a b "Polygala dalmaisiana". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture.
- ^ a b "Polygala × dalmaisiana". www.rhs.org. Royal Horticultural Society. Retrieved 24 January 2021.
- Pink, A. (2004). Gardening for the Million. Project Gutenberg Literary Archive Foundation.
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