Philotheca gardneri

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Philotheca gardneri
Philotheca gardneri.jpg
In the Australian National Botanic Gardens
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Sapindales
Family: Rutaceae
Genus: Philotheca
Species:
P. gardneri
Binomial name
Philotheca gardneri
(Paul G.Wilson) Paul G.Wilson [1]
Synonyms [1]
  • Eriostemon gardneriPaul G.Wilson

Philotheca gardneri is a species of flowering plant in the family Rutaceae and is endemic to the south-west of Western Australia. It is a shrub with crowded, narrow club-shaped or more or less spherical leaves and white flowers with a prominent pink midrib, usually borne singly on the ends of branchlets.

Contents

Description

Philotheca gardneri is a shrub that grows to a height of 1–1.5 m (3 ft 3 in – 4 ft 11 in) with corky branchlets. The leaves are cylindrical to narrow club-shaped, about 5–8 mm (0.20–0.31 in) long or more or less spherical and 1.5–2 mm (0.059–0.079 in) long. The flowers are usually borne singly on the ends of the branchlets, each flower on a fleshy pedicel 1–2 mm (0.039–0.079 in) long. There are five egg-shaped sepals about 1.5 mm (0.059 in) long and five egg-shaped white petals about 6 mm (0.24 in) long with a prominent pink midrib. The ten hairy stamens are free from each other. Flowering occurs from April to October. [2] [3] [4]

Taxonomy and naming

This philotheca was first formally described in 1970 by Paul Wilson who gave it the name Eriostemon gardneri and published the description in the journal Nuytsia from specimens collected by Charles Gardner near Jerramungup in 1939. [3] [5] In 1998, Wilson changed the name to Philotheca gardneri in the same journal and described two subspecies: [6] [7]

The specific epithet (gardneri) honours the collector of the type specimens, Charles Gardner [3] and globosa refers to the shape of the leaves. [7]

Distribution and habitat

Subspecies gardneri grows in mallee and heath between Wagin, Howick Hill and Bruce Rock in the Coolgardie, Esperance Plains and Mallee biogeographic regions. [10] [11] Subspecies globosa grows in heath in a small area between Ravensthorpe and Norseman. [12] [13]

Conservation status

Subspecies gardneri is classified as "not threatened" [11] but subspecies globosa is listed as "Priority One" by the Government of Western Australia Department of Parks and Wildlife, [13] meaning that it is known from only one or a few locations which are potentially at risk. [14] [4]

Related Research Articles

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<i>Philotheca salsolifolia</i> Species of flowering plant

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<i>Philotheca buxifolia</i> Species of flowering plant

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<i>Philotheca brucei</i> Species of shrub

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Philotheca apiculata is a species of flowering plant in the family Rutaceae and is endemic to the south-west of Western Australia. It is a small shrub with narrow club-shaped leaves and small clusters of white to pink flowers on the ends of branchlets.

<i>Philotheca conduplicata</i> Species of plant

Philotheca conduplicata is a species of flowering plant in the family Rutaceae and is endemic to eastern Australia. It is a shrub with elliptical leaves clustered near the ends of the branchlets and white flowers arranged singly or in two or threes on the ends of the branchlets.

Philotheca cuticularis is a species of flowering plant in the family Rutaceae and is endemic to Queensland. It is a rounded shrub with small, crowded leaves and small white flowers arranged singly on the ends of branchlets.

Philotheca cymbiformis is a species of flowering plant in the family Rutaceae and is endemic to the south-west of Western Australia. It is a low, spreading small shrub with fleshy, narrow elliptic leaves and single white and reddish brown flowers on the ends of branchlets.

<i>Philotheca deserti</i> Species of plant

Philotheca deserti is a species of flowering plant in the family Rutaceae and is endemic to inland Western Australia. It is an erect shrub with narrow spindle-shaped, glandular-warty leaves and white flowers arranged singly in leaf axils.

<i>Philotheca difformis</i> Species of plant

Philotheca difformis is a species of flowering plant in the family Rutaceae and is endemic to continental eastern Australia. It is a shrub with variably-shaped leaves depending on subspecies, and white flowers arranged singly or in groups of up to four on the ends of the branchlets. Subspecies difformis is commonly known as the small-leaf wax-flower.

<i>Philotheca epilosa</i> Species of plant

Philotheca epilosa is a species of flowering plant in the family Rutaceae and is endemic to eastern Australia. It is a shrub with egg-shaped to lance-shaped leaves with the narrower end toward the base and crowded near the ends of the glandular-warty branchlets, and white flowers usually arranged singly on the ends of the branchlets.

Philotheca ericifolia is a species of flowering plant in the family Rutaceae and is endemic to New South Wales. It is a much-branched shrub with glandular-warty branchlets, needle-shaped leaves and white to pink flowers arranged singly or in groups of up to six on the ends of the branchlets.

Philotheca glabra is a species of flowering plant in the family Rutaceae and is endemic to the inland south-west of Western Australia. It is a small shrub with elliptical to club-shaped leaves and white flowers tinged with pink and arranged singly or in twos or three on the ends of branchlets.

<i>Philotheca nodiflora</i> Species of plant

Philotheca nodiflora is a species of flowering plant in the family Rutaceae and is endemic to Western Australia. It is a weak shrub with more or less cylindrical leaves and blue to pink flowers arranged in compact heads.

<i>Philotheca pachyphylla</i> Species of plant

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.

Philotheca rhomboidea is a species of flowering plant in the family Rutaceae and is endemic to the south-west of Western Australia. It is a small undershrub with thick, broadly elliptic to round leaves and white to pale pink flowers arranged singly or in twos or threes at the end of branchlets.

<i>Philotheca scabra</i> Species of plant

Philotheca scabra is a species of flowering plant in the family Rutaceae and is endemic to New South Wales. It is a small shrub with variably shaped leaves, depending on subspecies, and single white to pink flowers arranged on the ends of branchlets.

<i>Philotheca sericea</i> Species of plant

Philotheca sericea is a species of flowering plant in the family Rutaceae and is endemic to the south-west of Western Australia. It is an undershrub with small oval to elliptical leaves and white to pink flowers usually arranged singly at the end of branchlets.

<i>Philotheca thryptomenoides</i> Species of flowering plant

Philotheca thryptomenoides is a species of flowering plant in the family Rutaceae and is endemic to the south-west of Western Australia. It is a small undershrub with oval to club-shaped leaves and white flowers with a broad, reddish-brown stripe, arranged singly on the ends of branchlets.

<i>Philotheca tomentella</i> Species of flowering plant

Philotheca tomentella is a species of flowering plant in the family Rutaceae and is endemic to the south-west of Western Australia. It is an undershrub with small club-shaped to cylindrical leaves and white flowers with a pale red central stripe, arranged singly or in groups of up to four on the ends of branchlets.

References

  1. 1 2 "Philotheca gardneri". Australian Plant Census. Retrieved 4 August 2020.
  2. ↑ Wilson, Paul G.; Wilson, Annette J.G. (ed.) (2013). Flora of Australia (Volume 26). Canberra: Australian Biological Resources Study. p. 381. Retrieved 5 August 2020.{{cite book}}: |first2= has generic name (help)
  3. 1 2 3 Wilson, Paul G. (1970). "A taxonomic revision of the genera Crowea, Eriostemon and Phebalium (Rutaceae)". Nuytsia. 1 (1): 33–34. Retrieved 5 August 2020.
  4. 1 2 "Philotheca gardneri". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  5. ↑ "Eriostemon gardneri". APNI. Retrieved 5 August 2020.
  6. ↑ "Philotheca gardneri". APNI. Retrieved 5 August 2020.
  7. 1 2 3 Wilson, Paul G. (1998). "A Taxonomic Review of the genera Eriostemon and Philotheca". Nuytsia. 12 (2): 252. Retrieved 5 August 2020.
  8. ↑ "Philotheca gardneri subsp. gardneri". Australian Plant Census. Retrieved 5 August 2020.
  9. ↑ "Philotheca gardneri subsp. globosa". Australian Plant Census. Retrieved 5 August 2020.
  10. ↑ Wilson, Paul G.; Wilson, Annette J.G. (ed.) (2013). Flora of Australia (Volume 26). Canberra: Australian Biological Resources Study. p. 383. Retrieved 5 August 2020.{{cite book}}: |first2= has generic name (help)
  11. 1 2 "Philotheca gardneri subsp. gardneri". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  12. ↑ Wilson, Paul G.; Wilson, Annette J.G. (ed.) (2013). Flora of Australia (Volume 26). Canberra: Australian Biological Resources Study. p. 383. Retrieved 5 August 2020.{{cite book}}: |first2= has generic name (help)
  13. 1 2 "Philotheca gardneri subsp. globosa". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  14. ↑ "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 5 August 2020.
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