White-flowered billardiera
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Apiales
Family: Pittosporaceae
Genus: Billardiera
Species:
B. floribunda
Binomial name
Billardiera floribunda
(Putt.) F.Muell.[1]
Occurrence data from Australasian Virtual Herbarium

Billardiera floribunda, commonly known as white-flowered billardiera,[2] is a species of flowering plant in the family Pittosporaceae and is endemic to the south-west of Western Australia. It is a robust twining shrub or climber that has thick, leathery, elliptic leaves and white or pinkish flowers arranged in groups of ten or more.

Description

Billardiera floribunda is a robust, twining shrub or climber with glabrous, reddish-brown stems. The adult leaves are elliptic, thick and leathery, 44–117 mm (1.7–4.6 in) long and 20–60 mm (0.79–2.36 in) wide on a petiole up to 6 mm (0.24 in) long. The flowers are arranged in corymbs of ten or more, the sepals narrowly triangular and 6–8 mm (0.24–0.31 in) long. The petals are white or pale pink, turning pink as they age, 17–27 mm (0.67–1.06 in) long and spatula-shaped. Flowering occurs in summer and the mature fruit is a berry 20–25 mm (0.79–0.98 in) long.[2][3]

Taxonomy

White-flowered billardiera was first formally described in 1839 by Alois Putterlick who gave it the name Marianthus floribundus in Novarum Stirpium Decades.[4][5] In 1882, Ferdinand von Mueller transferred the species to Billardiera as B. floribunda.[6] The specific epithet (floribunda) means "flowering profusely".[7]

Distribution and habitat

White-flowered billardiera grows in forest and woodland from near Perth and south to Augusta then east to Albany and the Porongurups in the Jarrah Forest, Swan Coastal Plain and Warren bioregions of south-western Western Australia.[2][3]

References

  1. ↑ "Billardiera floribunda". Australian Plant Census. Retrieved 1 June 2023.
  2. 1 2 3 "Billardiera floribunda". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  3. 1 2 "Billardiera floribunda". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 1 June 2023.
  4. ↑ "Marianthus floribundus". APNI. Retrieved 1 June 2023.
  5. ↑ Endlicher, Stephan F.L. (1839). Endlicher, Stephan F.L.; Fenzl, Edouard (eds.). Novarum Stirpium Decades. Vol. 4. pp. 61–62. Retrieved 1 June 2023.
  6. ↑ "Billardiera floribunda". APNI. Retrieved 1 June 2023.
  7. ↑ William T. Stearn (1992). Botanical Latin. History, grammar, syntax, terminology and vocabulary (4th ed.). Portland, Oregon: Timber Press. p. 200.
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