Drosera subg. Lasiocephala

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Drosera subg. Lasiocephala
Drosera derbyensis ne1.JPG
Drosera derbyensis , a member of subgenus Lasiocephala
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Droseraceae
Genus: Drosera
Subgenus: Drosera subg. Lasiocephala
(Planch.) J.Schlauer
Type species
D. petiolaris
R.Br. ex DC.
Species

Drosera banksii
Drosera brevicornis
Drosera broomensis
Drosera caduca
Drosera darwinensis
Drosera derbyensis
Drosera dilatatopetiolaris
Drosera falconeri
Drosera fulva
Drosera kenneallyi
Drosera lanata
Drosera ordensis
Drosera paradoxa
Drosera petiolaris

Contents

Synonyms
  • D. sect. LasiocephalaPlanch.
  • D. ser. Lasiocephala(Planch.)  Diels

Drosera subg. Lasiocephala, sometimes collectively known as the petiolaris-complex, [1] is a subgenus of 14 species in the genus Drosera . These species are distinguished by their subpeltate to peltate lamina. [2]

Taxonomy

The subgenus was first formally described by Jules Émile Planchon in 1848 as a section. [3] Planchon included the species D. banksii in his arrangement, but it has been argued that D. banksii belongs in a clade with the more-closely allied D. subtilis . [1] Ludwig Diels reclassified the genus in his 1906 monograph of the family and recognizing this taxon as a series under section Rossolis. [4] In 1996, taxonomist Jan Schlauer argued for the recognition of this taxon at the rank of subgenus, noting that these closely related species share many affinities with subgenus Drosera but are different enough to warrant subgeneric status. [2] All species in this subgenus are native to northern Australia except for D. petiolaris , which is more widely distributed to as far as New Guinea. The plants in this subgenus or petiolaris-complex mostly look like variations of the eponymous D. petiolaris. [1]

ImageScientific nameDistribution
DroseraBanksiiLaminaDetail.jpg Drosera banksii R.Br. ex DC.northern Australia (Queensland, the Northern Territory, and Western Australia) and Southeast Asia (Papua New Guinea and Western New Guinea).
Drosera brevicornis LowrieAustralia(Northern Territory and Western Australia. )
DroseraBroomensisHabitus.jpg Drosera broomensis LowrieWestern Australia.
Drosera caduca LowrieWestern Australia.
Drosera darwinensis.jpg Drosera darwinensis LowrieNorthern Territory
Drosera derbyensis ne2.JPG Drosera derbyensis LowrieWestern Australia.
DroseraDilatatiopetiolarisJuvenilHabit.jpg Drosera dilatatopetiolaris K.KondoWestern Australia and the Northern Territory.
Drosera falconeri Darwiniana.jpg Drosera falconeri Tsang ex K.KondoNorthern Territory
D. Fulva Closeup.jpg Drosera fulva Planch.Northern Territory
Drosera kenneallyi habitus.jpg Drosera kenneallyi LowrieWestern Australia
Drosera lanata 2 Darwiniana.jpg Drosera lanata K.KondoNorthern Territory and Queensland
Drosera ordensis.jpg Drosera ordensis LowrieWestern Australia
Drosera paradoxa (1).JPG Drosera paradoxa LowrieNorthern Territory and Western Australia.
Drosera petiolaris flower 2 Darwiniana.jpg Drosera petiolaris Western Australia, the Northern Territory, and Queensland, and New Guinea;

See also

References

  1. 1 2 3 Rice, B. A. (2008). The Carnivorous Plant FAQ v. 11.5. Accessed online: 21 June 2010.
  2. 1 2 Schlauer, J. 1996. A dichotomous key to the genus Drosera L. (Droseraceae). Carnivorous Plant Newsletter , 25(3):67-88.
  3. "Plant name details". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens . Retrieved 21 June 2010.
  4. "Plant name details". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens . Retrieved 21 June 2010.