Boronia inornata, commonly known as desert boronia,[2] is a plant in the citrus family, Rutaceae and is endemic to southern Australia. It is an erect shrub with three-part leaves and pink, red or white, four-petalled flowers.
| Desert boronia | |
|---|---|
| |
| Boronia inornata subsp. leptophylla in the Gawler Ranges | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Sapindales |
| Family: | Rutaceae |
| Genus: | Boronia |
| Species: | B. inornata
|
| Binomial name | |
| Boronia inornata | |
| |
| Occurrence data from Australasian Virtual Herbarium | |
Description
editBoronia inornata is an erect or spreading shrub that grows to a height of 0.2–1.2 m (0.66–3.9 ft) tall with warty, glandular stems covered with short, soft hairs. The leaves have three thick, glabrous leaflets 1.5–4 mm (0.059–0.16 in) long. The flowers are pink, red or white and arranged singly or in groups of two or three in leaf axils or on the tips of the branches. The four sepals are rounded, 1.5–2 mm (0.06–0.08 in) long and sometimes hairy. The four petals are 3–5 mm (0.1–0.2 in) long. Flowering occurs from May to December and the fruit are smooth and 4–5 mm (0.16–0.20 in) long.[2][3][4]
Taxonomy and naming
editBoronia inornata was first formally described in 1852 by Nikolai Turczaninow and the description was published in Bulletin de la Société Impériale des Naturalistes de Moscou.[5][6] The specific epithet (inornata) is a Latin word meaning "unadorned".[7]
There are two subspecies:
- Boronia inornata Turcz. subsp. inornata has densely hairy leaves, hairy sepals and a strong citrus odour;[8]
- Boronia inornata subsp. leptophylla (Turcz.) Burgman has glabrous leaflets, sepals and petals.[4][9]
Subspecies leptophylla was previously known as Boronia clavellifolia.[10]
Distribution and habitat
editDesert boronia grows on undulating plains, on rocky hills and near salt lakes. Subspecies inornata only occurs in Western Australia growing in mallee woodland, sometimes in large numbers, especially on disturbed soil and after bushfires. Both subspecies occur in the Coolgardie, Esperance Plains and Mallee biogeographic regions of Western Australia. Subspecies leptophylla is also widespread in the south of South Australia.[3][11][12][13]
Conservation
editBoth subspecies of Boronia inornata are classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.[11][12]
References
edit- ^ "Boronia inornata". Australian Plant Census. Retrieved 16 March 2019.
- ^ a b "Boronia inornata". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
- ^ a b "Boronia inornata". State Herbarium of South Australia. Retrieved 27 January 2019.
- ^ a b Corrick, Margaret; Fuhrer, Bruce (2009). Wildflowers of southern Western Australia (3rd ed.). Dural: Rosenberg Publishing Pty. Ltd. p. 191. ISBN 9781877058844.
- ^ "Boronia inornata". APNI. Retrieved 27 January 2019.
- ^ Turczaninow, Nikolai (1852). "Decas septima generum adhuc non descriptorum adjectis descriptionibus nonnullarum specierum". Bulletin de la Société Impériale des Naturalistes de Moscou. 25 (3): 164–165. Retrieved 27 January 2019.
- ^ Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 439.
- ^ "Boronia inornata subsp. inornata". APNI. Retrieved 27 January 2019.
- ^ "Boronia inornata subsp. leptophylla". APNI. Retrieved 27 January 2019.
- ^ Black, John McConnell (1924). Flora of South Australia (Volume 2) (PDF). Adelaide: Government Printer. p. 339. Retrieved 27 January 2019.
- ^ a b "Boronia inornata subsp. inornata". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
- ^ a b "Boronia inornata subsp. leptophylla". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
- ^ Archer, William (9 July 2009). "Desert boronia - Boronia inornata". Esperance Wildflowers. Retrieved 27 January 2019.