Sophora howinsula, commonly known as lignum vitae or Lord Howe kowhai, is a flowering plant in the legume family. The specific epithet refers to the island to which the species is endemic.[1]
| Sophora howinsula | |
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Faboideae |
| Genus: | Sophora |
| Species: | S. howinsula
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| Binomial name | |
| Sophora howinsula (W.R.B.Oliv.) P.S.Green (1970)[1]
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| Synonyms | |
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Description
editIt is a tree, growing to 10 m, sometimes 15 m, in height. The wood is hard and durable and was used for house stumps and fence posts. The pinnate leaves are 5–10 cm long. The 1.5–2 cm long yellow pea flowers are produced in racemose inflorescences. The 7–12 cm long pods each contain 5–10 smooth, orange-brown, ellipsoidal, 7 mm long seeds. The flowering season is from mid-July to mid-September.[1]
Distribution and habitat
editThe plant is endemic to Australia’s subtropical Lord Howe Island in the Tasman Sea. It has a locally common, scattered distribution through the island's lowland hills.[1]
References
edit- ^ a b c d " Sophora howinsula ". Flora of Australia Online: Data derived from Flora of Australia Volume 49 (1994). Australian Biological Resources Study (ABRS). Archived from the original on 2016-03-04. Retrieved 2014-02-07.
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