Philotheca pachyphylla

Short description: Species of plant

Philotheca pachyphylla

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In the Australian National Botanic Gardens

Conservation status

Priority One — Poorly Known Taxa (DEC)

Scientific classification
Kingdom:  | Plantae
Clade:  | Tracheophytes
Clade:  | Angiosperms
Clade:  | Eudicots
Clade:  | Rosids
Order:  | Sapindales
Family:  | Rutaceae
Genus:  | Philotheca
Species:  |

P. pachyphylla

Binomial name
Philotheca pachyphylla

(Paul G.Wilson) Paul G.Wilson[1]

Synonyms[1]

* Eriostemon pachyphyllus Paul G.Wilson

Philotheca pachyphylla is a species of flowering plant in the family Rutaceae and is endemic to Western Australia. It is a small shrub with fleshy, oblong, prominently glandular-warty leaves and white flowers arranged singly in leaf axils.

## Contents

* 1 Description
* 2 Taxonomy and naming
* 3 Distribution and habitat
* 4 Conservation status
* 5 References

## Description

Philotheca pachyphylla is a shrub that grows to a height of 0.3–1.5 m (1 ft 0 in–4 ft 11 in) and has branchlets that become corky with age. The leaves are fleshy, oblong, 3–5 mm (0.12–0.20 in) long, 1.5–2 mm (0.059–0.079 in) wide and prominently glandular-warty on the lower surface. The flowers are borne singly in leaf axils, each flower on a pedicel 2–3 mm (0.079–0.118 in) long. There are five egg-shaped sepals about 1.5 mm (0.059 in) long and five broadly oblong white petals about 5 mm (0.20 in) long. The ten stamens are free from each other and densely woolly-hairy. Flowering occurs from May to September.[2][3][4]

## Taxonomy and naming

This philotheca was first formally described in 1970 by Paul Wilson who gave it the name Eriostemon pachyphyllus and published the description in the journal Nuytsia from specimens collected near Coolgardie by Marie Elizabeth Phillips in 1962.[3][5][6] In 1998, Wilson changed the name to Philotheca pachyphylla in the same journal.[7][8]

## Distribution and habitat

Philotheca pachyphylla grows in sandy loam on sandplains and hilltops west of Coolgardie and in the Bremer Range in the Coolgardie biogeographic region in Western Australia.[2][3][4]

## Conservation status

Philotheca pachyphylla is classified as "Priority One" by the Government of Western Australia Department of Parks and Wildlife,[4] meaning that it is known from only one or a few locations which are potentially at risk.[9]

## References

1. ↑ 1.0 1.1 "Philotheca pachyphylla". Australian Plant Census. https://biodiversity.org.au/nsl/services/apc-format/display/162021. Retrieved 8 August 2020.
2. ↑ 2.0 2.1 Wilson, Paul G.; Wilson, Annette J.G. (ed.) (2013). Flora of Australia (Volume 26). Canberra: Australian Biological Resources Study. p. 377. https://profiles.ala.org.au/opus/foa/profile/Philotheca pachyphylla. Retrieved 8 August 2020.
3. ↑ 3.0 3.1 3.2 Wilson, Paul G. (1970). "A taxonomic revision of the genera Crowea, Eriostemon and Phebalium (Rutaceae)". Nuytsia 1 (1): 27–28. https://www.biodiversitylibrary.org/item/223300#page/33/mode/1up. Retrieved 8 August 2020.
4. ↑ 4.0 4.1 4.2 "Philotheca pachyphylla". FloraBase. Western Australian Government Department of Parks and Wildlife. https://florabase.dpaw.wa.gov.au/browse/profile/18510.
5. ↑ "Eriostemon pachyphyllus". APNI. https://id.biodiversity.org.au/instance/apni/499877. Retrieved 8 August 2020.
6. ↑ "Phillips, Marie Elizabeth (Betty) (1917 - 1977)". Council of Heads of Australasian Herbaria Australian National Herbarium. http://www.anbg.gov.au/biography/phillips-marie.html. Retrieved 8 August 2020.
7. ↑ "Philotheca pachyphylla". APNI. https://id.biodiversity.org.au/instance/apni/557411. Retrieved 8 August 2020.
8. ↑ Wilson, Paul G. (1998). "A Taxonomic Review of the genera Eriostemon and Philotheca". Nuytsia 12 (2): 254. https://www.biodiversitylibrary.org/item/226456#page/100/mode/1up. Retrieved 8 August 2020.
9. ↑ "Conservation codes for Western Australian Flora and Fauna". Government of Western Australia Department of Parks and Wildlife. https://www.dpaw.wa.gov.au/images/documents/plants-animals/threatened-species/Listings/Conservation code definitions.pdf. Retrieved 8 August 2020.

Wikidata ☰ Q15393643 entry

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