Drosera subg. Lasiocephala

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]

Drosera subg. Lasiocephala
Drosera derbyensis, a member of subgenus Lasiocephala
Scientific classification
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
Species

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

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

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]

See also

References
  1. Rice, B. A. (2008). The Carnivorous Plant FAQ v. 11.5. Accessed online: 21 June 2010.
  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. Retrieved 21 June 2010.
  4. "Plant name details". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew. Retrieved 21 June 2010.


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