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Drosera Petiolaris Complex Information

Introduction

Drosera petiolaris R.Br. ex DC. was first collected at Endeavour River, Queensland (Banks and Solander s.n., BM) and was described by Robert Brown (in de Candolle 1824). The type specimen was evidently collected very late in the season and has little fertile material present. The species was later found to be part of a morphologically variable complex distributed across northern Australia and Papua New Guinea. Tsang (1980) and Kondo (1984) recognized three additional taxa, namely D. dilatatopetiolaris K.Kondo, D. falconeri K.Kondo & Tsang and D. lanata K.Kondo, and were able to differentiate these from D. petiolaris based on floral and vegetative characters. These species were originally placed in Drosera subgenus Rorella sect. Lasiocephala Planch. (Planchon 1848; Marchant and George 1982) or ser. Lasiocephala (Planch.) Diels (Diels 1906) along with D. fulva Planch. and D. banksii R.Br. ex DC., and later under subg. Lasiocephala (Planch.) Schlauer (Lowrie 2013). In a recent classification, sect. Lasiocephala was included under subgenus Drosera (Seine and Barthlott 1994). A further eight species were subsequently described for the section from across northern Australia (Lowrie 1994, 1996a, 1996b, 1997, 1998, 2013) with a taxonomic key to all 14 species published by Lowrie et al. (2017).

Drosera petiolaris complex is a group of sundews that are native to northern Australia. They are characterized by their long, petiolated leaves that are covered in white hairs. The leaves are used to trap insects, which the plant then digests for nutrients.

Drosera petiolaris complex plants are relatively easy to care for. They prefer bright sunlight and moderate to high humidity. The soil should be kept moist, but not wet. 

Drosera petiolaris complex plants can be propagated from seed or from cuttings. Seed germination is relatively easy and should be the only way they are repriduced for the future benefit of the species. These plants add a touch of the tropics to any space.

Here are some additional information about Drosera petiolaris complex:

* The complex includes 14 species, including Drosera petiolaris, Drosera brevicornis, Drosera broomensis, Drosera darwinensis, Drosera derbyensis, Drosera falconeri, Drosera fulva, Drosera kenneallyi, Drosera lanata, Drosera ordensis, Drosera paradoxa, Drosera petiolaris var. petiolaris, and Drosera petiolaris var. paradoxa.
* The complex is found in a variety of habitats, including rainforests, open woodlands, and savannas.
* The plants are carnivorous and use their sticky leaves to trap insects.
* The insects are digested by the plants, which provides them with nutrients.
* The complex is a popular choice for carnivorous plant enthusiasts.
* The plants are relatively easy to care for and can provide a beautiful addition to any home or garden.



Drosera dilatato-petiolaris 'West Aligator River'

Drosera Dilatato-Petiolaris

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kenneallyi Mitchell Plateau, Kimberley

Drosera Kenneallyi

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Drosera Falconeri 'Fly Creek' 1

Drosera falconeri Information

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Drosera aff. ordensis 'Kingston Rest, Kimberley'

Drosera Ordensis

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Drosera fulva 'Noonamah, N. T.'

Drosera Fulva Information

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Drosera petiolaris 'Howard Springs'

Drosera Petiolaris

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