Blossfeldia

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Blossfeldia
Blossfeldia liliputana1MW.jpg
Scientific classification e
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Blossfeldia
Species: B. liliputana
Binomial name
Blossfeldia liliputana
Werderm.[1]
Synonyms[1]
  • Blossfeldia atroviridis F.Ritter
  • Blossfeldia campaniflora Backeb. nom. inval.
  • Blossfeldia cryptocarpa (R.Kiesling & Piltz) Halda
  • Blossfeldia fechseri Backeb. nom. inval.
  • Blossfeldia minima F.Ritter
  • Blossfeldia pedicellata F.Ritter
  • Parodia liliputana (Werderm.) N.P. Taylor

Blossfeldia is a genus of cactus (family Cactaceae) containing only one species, Blossfeldia liliputana,[1] native to South America in northwestern Argentina[2] (Jujuy, Salta, Tucumán and Catamarca Provinces[citation needed]) and southern Bolivia[2] (Potosí Department[citation needed]). It grows at 1,200–3,500 m altitude in the Andes, typically growing in rock crevices,[2] and often close to waterfalls.[citation needed]

It is of note as the smallest cactus species in the world, with a mature size of around 10–12 mm diameter. The flowers are white or rarely pink, 6–15 mm long and 5–7 mm diameter.[2]

The species is named after the fictional country Lilliput where all the inhabitants are minute.

Taxonomy[edit]

The genus and species were first described in 1937 by Erich Werdermann after being discovered in northern Argentina by Harry Blossfeld and Oreste Marsoner. The genus name honours Blossfeld.[2] Blossfeldia liliputana has several features making it unique among cacti, including a very small number of stomata, the absence of a thickened cuticle, and hairy seeds with an aril. It is placed in the subfamily Cactoideae, and traditionally in the tribe Notocacteae.[2] However, molecular phylogenetic studies have repeatedly shown that it is sister to the remaining members of the subfamily, and well removed from other genera placed in the Notocacteae:[3][4]

subfamily Cactoideae

Blossfeldia




tribe Cacteae



core Cactoideae, including traditional members of tribe Notocacteae




Recognizing the position of Blossfeldia, Nyffler and Eggli in their 2010 classification of Cactaceae placed it in a separate tribe, Blossfeldieae, within Cactoideae.[5] Earlier, Blossfeldia had been placed in an entirely separate subfamily, Blossfeldioideae.[6]

References[edit]

  1. ^ a b c "Blossfeldia liliputana Werderm.". The Plant List. Retrieved 2017-04-01. 
  2. ^ a b c d e f Anderson, Edward F. (2001). The Cactus Family. Pentland, Oregon: Timber Press. pp. 129–130. ISBN 978-0-88192-498-5. 
  3. ^ Bárcenas, Rolando T; Yesson, Chris & Hawkins, Julie A (2011). "Molecular systematics of the Cactaceae". Cladistics. 27 (5): 470–489. doi:10.1111/j.1096-0031.2011.00350.x. 
  4. ^ Hernández-Hernández, Tania; Hernández, Héctor M.; De-Nova, J. Arturo; Puente, Raul; Eguiarte, Luis E. & Magallón, Susana (2011). "Phylogenetic relationships and evolution of growth form in Cactaceae (Caryophyllales, Eudicotyledoneae)". American Journal of Botany. 98 (1): 44–61. doi:10.3732/ajb.1000129. PMID 21613084. 
  5. ^ Nyffeler, R. & Eggli, U. (2010). "A farewell to dated ideas and concepts: molecular phylogenetics and a revised suprageneric classification of the family Cactaceae". Schumannia. 6: 109–149. doi:10.5167/uzh-43285. 
  6. ^ Crozier, B.S. (2004). "Subfamilies of Cactaceae Juss., including Blossfeldioideae subfam. nov.". Phytologia. 86: 52–64. Retrieved 2017-04-01. 

Bibliography[edit]

External links[edit]