Pomaderris walshii

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Carrington Falls pomaderris
Pomaderris walshii.png
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rhamnaceae
Genus: Pomaderris
Species:
P. walshii
Binomial name
Pomaderris walshii
Buds & foliage Pomaderris walshii.jpg
Buds & foliage

Pomaderris walshii, commonly known as Carrington Falls pomaderris, [2] is a species of flowering plant in the family Rhamnaceae and is endemic to a restricted area of New South Wales. It is a shrub or small tree with hairy young stems, narrowly egg-shaped leaves, and panicles of cream-coloured to yellow flowers.

Contents

Description

Pomaderris walshii is a shrub or tree that typically grows to a height of up to 3 m (9.8 ft), its young stems covered with silvery to rust-coloured simple hairs and white, star-shaped hairs. The leaves are narrowly egg-shaped, mostly 43–52 mm (1.7–2.0 in) long and 14–19 mm (0.55–0.75 in) wide on a petiole 4–10 mm (0.16–0.39 in) long with stipules 2–6 mm (0.079–0.236 in) long at the base but that fall off as the leaf matures. The flowers are borne in pyramid-shaped to hemispherical clusters of 20 to 100 near the ends of branchlets, the clusters 40–65 mm (1.6–2.6 in) long and wide. The flowers are cream-coloured to yellow and covered with hairs similar to those on the young stems, each flower on a pedicel 1.5–4.3 mm (0.059–0.169 in) long. The sepals are 1.8–2.0 mm (0.071–0.079 in) long, the petals 1.7–1.9 mm (0.067–0.075 in) long, the stamens 2.0–2.5 mm (0.079–0.098 in) long and the style 1.6–1.9 mm (0.063–0.075 in) long. Flowering occurs from July to November. [3] [4] [5]

Taxonomy

Pomaderris walshii was first formally described in 2005 by Jacqueline C. Millott and Keith Leonard McDougall in the journal Telopea from specimens collected in 2003 by Millott from Budderoo National Park. [4] [6] The specific epithet (walshii) honours Neville Grant Walsh. [4]

Distribution and habitat

Carrington Falls pomaderris grows in shrubland near watercourses and is only known from the upper Kangaroo River and its tributaries, above the escarpment near Robertson on the Central Tablelands of New South Wales. [3] [4] [7]

Conservation status

Pomaderris walshii is listed as "critically endangered" under the Australian Government Environment Protection and Biodiversity Conservation Act 1999 and under the New South Wales Government Biodiversity Conservation Act 2016 . The main threats to the species include flood damage during high rainfall events, inappropriate fire regimes and the species' small population size and limited distribution. [2] [5]

Related Research Articles

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<i>Pomaderris brogoensis</i> Species of shrub

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<i>Pomaderris cocoparrana</i> Species of shrub

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Pomaderris coomingalensis is a species of flowering plant in the family Rhamnaceae and is endemic to Queensland. It is a shrub with hairy young stems, egg-shaped or elliptic leaves, and clusters of cream-coloured or yellow flowers.

<i>Pomaderris cotoneaster</i> Species of flowering plant

Pomaderris cotoneaster, commonly known as cotoneaster pomaderris, is a species of flowering plant in the family Rhamnaceae and is endemic to south-eastern continental Australia. It is an erect shrub with woolly-hairy stems, elliptic leaves, and leafy panicles of cream-coloured flowers.

<i>Pomaderris eriocephala</i> Species of flowering plant

Pomaderris eriocephala is a species of flowering plant in the family Rhamnaceae and is endemic to south-eastern continental Australia. It is a spreading shrub with hairy stems, egg-shaped leaves, and clusters of cream-coloured flowers with white to rust-coloured hairs.

<i>Pomaderris gilmourii</i> Species of shrub

Pomaderris gilmourii is a species of flowering plant in the family Rhamnaceae and is endemic to Deua National Park in New South Wales. It is a shrub with hairy young stems, egg-shaped to elliptic leaves, and clusters of silvery buds and creamy-yellow flowers.

Pomaderris graniticola is a species of flowering plant in the family Rhamnaceae and is endemic to eastern Australia. It is a shrub or small tree with hairy young stems, lance-shaped to elliptic leaves, and sparse panicles of yellow, white or cream-coloured flowers.

<i>Pomaderris ledifolia</i> Species of flowering plant

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<i>Pomaderris ligustrina</i> Species of flowering plant

Pomaderris ligustrina, commonly known as privet pomaderris, is a species of flowering plant in the family Rhamnaceae and is endemic to south-eastern continental Australia. It is a shrub with hairy stems, lance-shaped to narrowly elliptic leaves, and loose clusters of cream-coloured or yellow flowers.

<i>Pomaderris pauciflora</i> Species of plant

Pomaderris pauciflora is a species of flowering plant in the family Rhamnaceae and is endemic to the south-east of continental Australia. It is a shrub with hairy stems, mostly lance-shaped leaves with the narrower end towards the base, and panicles of cream-coloured flowers.

<i>Pomaderris pilifera</i> Species of plant

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<i>Pomaderris subcapitata</i> Species of plant

Pomaderris subcapitata is a species of flowering plant in the family Rhamnaceae and is endemic to south-eastern continental Australia. It is a shrub with hairy stems, elliptic to egg-shaped leaves and dense clusters of cream-coloured or yellow flowers.

Pomaderris tropica is a species of flowering plant in the family Rhamnaceae and is endemic to Walshs Pyramid in north Queesland. It is a shrub with softly-hairy branchlets, egg-shaped to elliptic leaves and clusters of white to cream-coloured flowers.

Pomaderris virgata, commonly known as upright pomaderris, is a species of flowering plant in the family Rhamnaceae and is endemic to south-eastern continental Australia. It is an erect, slender shrub with hairy branchlets, lance-shaped, narrowly elliptic or oblong leaves, and dense panicles of golden-yellow flowers.

Pomaderris viridis is a species of flowering plant in the family Rhamnaceae and is endemic to south-eastern continental Australia. It is a shrub or small tree with hairy young stems, egg-shaped to elliptic leaves, and panicles of cream-coloured to pale yellowish-green flowers.

References

  1. ↑ "Pomaderris walshii". Australian Plant Census. Retrieved 30 April 2022.
  2. 1 2 "Conservation Advice Pomaderris walshii Carrington Falls Pomaderris" (PDF). Australian Government Department of Agriculture, Water and the Environment. Retrieved 30 April 2022.
  3. 1 2 Harden, Gwen J. "Pomaderris walshii". Royal Botanic Garden Sydney. Retrieved 30 April 2022.
  4. 1 2 3 4 Millott, Jacqueline C.; McDougall, Keith L. (2005). "A new species of Pomaderris (Rhamnaceae) from the Central Tablelands of New South Wales". Telopea. 11 (1): 82–84. Retrieved 30 April 2022.
  5. 1 2 "Carrington Falls Pomaderris - profile". New South Wales Government Office of Environment and Heritage. Retrieved 30 April 2022.
  6. ↑ "Pomaderris walshii". Australian Plant Name Index. Retrieved 30 April 2022.
  7. ↑ "Pomaderris walshii Millott & K.L.McDougall - Walsh's Pomaderris" (PDF). Australian Native Plants Society - Canberra. Retrieved 30 April 2022.
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