''Drosera petiolaris'' is a

carnivorous plant Carnivorous plants are plants that derive some or most of their nutrients from trapping and consuming animals or protozoans, typically insects and other arthropods, and occasionally small mammals and birds. They have adapted to grow in waterlo ...

in the genus ''

Drosera ''Drosera'', which is commonly known as the sundews, is one of the largest genus, genera of carnivorous plants, with at least 194 species. 2 volumes. These members of the family Droseraceae lure, capture, and digest insects using stalked mucil ...

'' and is the eponymous species of the ''petiolaris''

species complex In biology, a species complex is a group of closely related organisms that are so similar in appearance and other features that the boundaries between them are often unclear. The taxa in the complex may be able to hybridize readily with each oth ...

, which mostly refers to the entire subgenus '' Lasiocephala''. It is native to Northern Australia, including the northern regions of

Western Australia Western Australia (WA) is the westernmost state of Australia. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to the south, the Northern Territory to the north-east, and South Australia to the south-east. Western Aust ...

, the

Northern Territory The Northern Territory (abbreviated as NT; known formally as the Northern Territory of Australia and informally as the Territory) is an states and territories of Australia, Australian internal territory in the central and central-northern regi ...

, and

Queensland Queensland ( , commonly abbreviated as Qld) is a States and territories of Australia, state in northeastern Australia, and is the second-largest and third-most populous state in Australia. It is bordered by the Northern Territory, South Austr ...

, and

New Guinea New Guinea (; Hiri Motu: ''Niu Gini''; , fossilized , also known as Papua or historically ) is the List of islands by area, world's second-largest island, with an area of . Located in Melanesia in the southwestern Pacific Ocean, the island is ...

; this distribution is the largest in the subgenus and the only that extends beyond Australia. Its leaves are arranged in a compact basal

rosette Rosette is the French diminutive of ''rose''. It may refer to: Flower shaped designs * Rosette (award), a mark awarded by an organisation * Rosette (design), a small flower design *hence, various flower-shaped or rotational symmetric forms: ** R ...

with long, narrow petioles emerging from the center of the rosette. Carnivorous leaves are held at the end of the petiole with long retentive glands.Lowrie, A. 1990
The ''Drosera petiolaris'' complex.
''

Carnivorous Plant Newsletter The ''Carnivorous Plant Newsletter'' is the official publication of the International Carnivorous Plant Society (ICPS), the largest such organization in the world. It is headquartered in Walnut Creek, California. History and editorship The news ...

'', 19(3-4):65-72.Lowrie, A. 1998
''Carnivorous Plants of Australia''.
Vol. 3. Nedlands, Western Australia: University of Western Australia Press. pp. 20-23.

Botanical history

''Drosera petiolaris'' was first formally described by the Swiss botanist

Augustin Pyramus de Candolle Augustin Pyramus (or Pyrame) de Candolle (, , ; 4 February 17789 September 1841) was a Swiss people, Swiss botany, botanist. René Louiche Desfontaines launched de Candolle's botanical career by recommending him at a herbarium. Within a couple ...

in the first volume of '' Prodromus Systematis Naturalis Regni Vegetabilis'' in 1824. In this description, de Candolle cited an unpublished description by Scottish botanist

Robert Brown Robert Brown may refer to: Robert Brown (born 1965), British Director, Animator and author Entertainers and artists * Washboard Sam or Robert Brown (1910–1966), American musician and singer * Robert W. Brown (1917–2009), American printmaker ...

as a basis for his valid description of the species. The

type specimen In biology, a type is a particular wikt:en:specimen, specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally associated. In other words, a type is an example that serves to ancho ...

was collected at the

Endeavour River The Endeavour River ( Guugu Yimithirr: ''Wabalumbaal''), inclusive of the Endeavour River Right Branch, the Endeavour River South Branch, and the Endeavour River North Branch, is a river system located on Cape York Peninsula in Far North Queens ...

in Queensland by

Joseph Banks Sir Joseph Banks, 1st Baronet, (19 June 1820) was an English Natural history, naturalist, botanist, and patron of the natural sciences. Banks made his name on the European and American voyages of scientific exploration, 1766 natural-history ...

and

Daniel Solander Daniel Carlsson Solander or Daniel Charles Solander (19 February 1733 – 13 May 1782) was a Sweden, Swedish naturalist and an Apostles of Linnaeus, apostle of Carl Linnaeus. Solander was the first university-educated scientist to set foot o ...

on the

first voyage of James Cook The first voyage of James Cook was a combined Royal Navy and Royal Society expedition to the south Pacific Ocean aboard HMS Endeavour, HMS ''Endeavour'', from 1768 to 1771. The aims were to observe the 1769 transit of Venus from Tahiti and to ...

aboard .de Candolle, A.P. 1824.
Prodromus Systematis Naturalis Regni Vegetabilis
', 1: 318.

References

External links

Carnivorous plants of Australia Caryophyllales of Australia Flora of New Guinea Flora of Queensland Flora of the Northern Territory Flora of Western Australia Plants described in 1824 petiolaris {{Droseraceae-stub

Botanical history

See also

References

External links