Westringia cremnophila

From Wikipedia, the free encyclopedia

Snowy River westringia
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Lamiaceae
Genus: Westringia
Species:
W. cremnophila
Binomial name
Westringia cremnophila
N.A.Wakef.[1]

Westringia cremnophila, commonly known as Snowy River westringia,[2] is a flowering plant in the family Lamiaceae, a rare shrub that is endemic to Victoria, Australia. It is a small shrub with leaves mostly in groups of three and white flowers.

Description[]

Westringia cremnophila is a shrub to 0.1–0.5 m (3.9 in – 1 ft 7.7 in) high, much-branched and thickly covered with slightly flattened white hairs, and found growing out of steep cliffs. The leaves are arranged in whorls mostly in groups of three, oblong or almost linear shaped, 10–20 mm (0.39–0.79 in) long, 1–2 mm (0.039–0.079 in) wide, thickly hairy when young, becoming smooth, margins distinctly rolled under, apex rounded occasionally sharply points and on a petiole 0.4–1 mm (0.016–0.039 in) long. The flowers are in racemes, the corolla about 10 mm (0.39 in) long, white with a mauve tinge and yellow-brown spotted throats. The calyx tube 3–3.5 mm (0.12–0.14 in) long, lobes about 2 mm (0.079 in) long and up to 1 mm (0.039 in) wide and the outer surface thickly covered with white hairs. Flowering occurs in spring.[3]

Taxonomy and naming[]

Westringia cremnophila was first formally described in 1957 by botanist Norman Wakefield and the description was published in The Victorian Naturalist based on a type specimen collected from "Porphory cliffs above Snowy River, east of Butchers Ridge".[4][5] The specific epithet (cremnophila) is in reference to its "habitat".[6]

Distribution and habitat[]

Snowy river westringia is restricted to Tulloch Ard Gorge in the Snowy River National Park in East Gippsland, where it grows on cliff faces above the Snowy River with a north to north-east aspect. Associated plant species include shrubby platysace (Platysace lanceolata), violet daisy-bush (Olearia iodochroa), digger's speedwell (Veronica perfoliata), common fringe-myrtle (Calytrix tetragona) and tall baeckea (Sannantha pluriflora).[3]

Conservation[]

Westringia cremnophila is listed as "vulnerable" under the Commonwealth Environment Protection and Biodiversity Conservation Act 1999, "vulnerable" on the Department of Sustainability and Environment's Advisory List of Rare Or Threatened Plants In Victoria and "threatened" under the Victorian Flora and Fauna Guarantee Act 1988.[7][8]

Due to the species' restricted habitat in difficult terrain, plants have proved difficult to find over the years; however in 2011 about 500 plants were located.[9]

Plants have been propagated and established at the Royal Botanic Gardens Melbourne as an insurance population.[9]

References[]

  1. ^ "Westringia cremnophila". Australian Plant Census. Retrieved 19 September 2021.
  2. ^ "Westringia cremnophila". VICFLORA-Flora of Victoria. Royal Botanic Garden Victoria. Retrieved 16 September 2021.
  3. ^ a b Carter, Oberon; Neville Walsh (2006). "National National Recovery Plan for the Snowy River WestringiaWestringia cremnophila" (PDF). Department of Sustainability and Environment (Victoria). Retrieved 3 July 2012.
  4. ^ "Westringia cremnophila". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government, Canberra. Retrieved 3 July 2012.
  5. ^ Wakefield, Norman (1957). "Westringia cremnophila". The Victorian Naturalist. 73 (11): 186. Retrieved 19 September 2021.
  6. ^ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 172. ISBN 9780958034180.
  7. ^ "Threatened List February 2012" (PDF). Flora and Fauna Guarantee Act 1988. Department of Sustainability and Environment. Retrieved 3 July 2012.
  8. ^ "Advisory List of Rare Or Threatened Plants In Victoria - 2005" (PDF). Department of Sustainability and Environment (Victoria). Retrieved 3 July 2012.
  9. ^ a b "Living on the Edge! - Rare plant continues to hang on". 28 December 2011. Retrieved 3 July 2012.
Retrieved from ""