Nepenthes deaniana

Nepenthes deaniana (/nɪˈpɛnθiːz ˌdiːniˈɑːnə/; after Dean C. Worcester) is a tropical pitcher plant endemic to the Philippines, where it grows at an altitude of 1180–1296 m above sea level.[3] The species is known only from the summit region of Thumb Peak, a relatively small, ultramafic mountain in Puerto Princesa Province, Palawan.

Nepenthes deaniana
A lower pitcher of Nepenthes deaniana. Thumb Peak (Mount Pulgar), Palawan.
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Nepenthaceae
Genus: Nepenthes
Species:
N. deaniana
Binomial name
Nepenthes deaniana

Nepenthes deaniana has no known natural hybrids.[3] No forms or varieties have been described.

In his Carnivorous Plant Database, taxonomist Jan Schlauer treats N. gantungensis, N. leonardoi and N. mira as heterotypic synonyms of N. deaniana.[4]

Adolph Daniel Edward Elmer recorded a plant from Mount Pulgar (now known as Thumb Peak) matching the description of N. deaniana. He made mention of this discovery in the April 20, 1912 issue of Leaflets of Philippine Botany, in his formal description of N. graciliflora:[5]

Recently the writer [Elmer] observed a large sterile species on mount Pulgar of Palawan. Some of its pitchers were a foot long and six inches thick!


References
  1. Clarke, C.M.; Lee, C. (2014). "Nepenthes deaniana". IUCN Red List of Threatened Species. IUCN. 2014: e.T39653A19631578. doi:10.2305/IUCN.UK.2014-1.RLTS.T39653A19631578.en.
  2. Macfarlane, J.M. 1908. Nepenthaceae. In: A. Engler Das Pflanzenreich IV, III, Heft 36: 1–91.
  3. McPherson, S.R. 2009. Pitcher Plants of the Old World. 2 volumes. Redfern Natural History Productions, Poole.
  4. Schlauer, J. N.d. Nepenthes deaniana. Carnivorous Plant Database.
  5. Elmer, A.D.E. 1912. Nepenthaceae. [pp. 1494–1496] In: Two score of new plants. Leaflets of Philippine Botany 4: 1475–1520.

Further reading
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