Biology:Spyridium waterhousei
| Spyridium waterhousei | |
|---|---|
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| In the Australian National Botanic Gardens | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Rosales |
| Family: | Rhamnaceae |
| Genus: | Spyridium |
| Species: | S. waterhousei
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| Binomial name | |
| Spyridium waterhousei F.Muell.[1]
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| Synonyms[1] | |
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Spyridium waterhousei is a species of flowering plant in the family Rhamnaceae and is endemic to Kangaroo Island in South Australia. It is an erect, slightly sticky shrub with linear leaves and heads of hairy flowers with three brown bracts at the base.
Description
Spyridium waterhousei is an erect, slightly sticky shrub that typically grows to a height of up to 5 m (16 ft). It has linear leaves 10–15 mm (0.39–0.59 in) long, the edges rolled under and the lower surface silky-hairy. The flowers heads are arranged in cymes usually with up to 3 sessile flowers each with 2 or 3 egg-shaped or lance-shaped brown bracts at the base and felty-hairy floral leaves. The flowers are top-shaped, about 3 mm (0.12 in) long with a prominent, wavy disk above the ovary.[2][3][4]
Taxonomy
Spyridium waterhousei was first formally described in 1862 by Ferdinand von Mueller in Fragmenta Phytographiae Australiae, from specimens collected on the "Freestone Range" by Frederick George Waterhouse.[5][6] The specific epithet (waterhousei) honours the collector of the type specimens.[4]
The species was later included in other genera, including Cryptandra, Solanendra and Stenanthemum, due to confusion surrounding generic limits in the tribe Pomaderreae of the Rhamnaceae.[4]
Distribution and habitat
Spyridium waterhousei is endemic to Kangaroo Island in South Australia where it is known as Cryptandra waterhousii,[3] and grows in sugar gum (Eucalyptus cladocalyx) woodland, often along creeklines.[4]
References
- ↑ 1.0 1.1 "Spyridium waterhousei". Australian Plant Census. https://biodiversity.org.au/nsl/services/apc-format/display/55448.
- ↑ Bentham, George; von Mueller, Ferdinand (1863). Flora Australiensis. 1. London: Lovell Reeve & Co.. pp. 436–437. https://www.biodiversitylibrary.org/item/3669#page/494/mode/1up. Retrieved 1 December 2022.
- ↑ 3.0 3.1 "Cryptandra waterhousii". State Herbarium of South Australia. http://www.flora.sa.gov.au/cgi-bin/speciesfacts_display.cgi?form=speciesfacts&name=Cryptandra_waterhousii.
- ↑ 4.0 4.1 4.2 4.3 Kellerman, Jurgen (2007). "Re-instatement of the name Spyridium waterhousei from Kangaroo Island, South Australia, with a short history of the tribe Pomaderreae (Rhamnaceae).". Journal of the Adelaide Botanic Gardens 21: 55–62. https://www.jstor.org/stable/23873809. Retrieved 1 December 2022.
- ↑ "Spyridium waterhousei". APNI. https://id.biodiversity.org.au/instance/apni/457617.
- ↑ von Mueller, Ferdinand (1862). Fragmenta Phytographiae Australiae. 3. Melbourne: Victorian Government Printer. p. 83. https://www.biodiversitylibrary.org/item/7220#page/90/mode/1up. Retrieved 1 December 2022.
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