Rebutia Minuscula
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Rebutia Minuscula

Rebutia minuscula
Rebutia minuscula1.jpg
Rebutia minuscula, typ.
Scientific classification edit
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Rebutia
Species:
R. minuscula
Binomial name
Rebutia minuscula

Rebutia minuscula is a species of cactus from northern Argentina.[1] It is the type species of the genus Rebutia.[2]

The status of the species of Rebutia is currently uncertain; indeed the genus as defined by Anderson (2001) has been shown to be polyphyletic.[3] Anderson describes R. minuscula as consisting of globe-shaped stems with a diameter of up to 5 cm (2 in), forming large clusters. The stem has 16-20 ribs with small but distinct tubercles ("bumps"). Each areole produces 25-30 fine whitish spines, 1-3 mm (0.0-0.1 in) long. As in other species of Rebutia, the flowers are not produced at the top of the stem, but from around the base. They are red, up to 4 cm (1.6 in) long.[1] Other sources include species such as R. marsoneri with yellow to orange flowers[4] in R. minuscula,[5] giving the species a much broader range of flower colour.

Rebutia minuscula K. Sch.

Schumann, Karl Moritz; Monatsschr. f. Kakt.-Kunde, 5: 102, 1895

Synonyma:

  • Echinopsis minuscula (K.Sch.) Web.; Dictionary Hort. Bois, p. 471, 1896
  • Echinocactus minusculus (K.Sch.) Web.; in K. Schumann, Gesamtbeschreibung der Kakteen, p. 395, 1898
  • Lobivia minuscula (K.Sch.) Kelsey & Dayton; Standard. Pl. Names, p. 73, 1942

References

  1. ^ a b c Anderson, Edward F. (2001), The Cactus Family, Pentland, Oregon: Timber Press, ISBN 978-0-88192-498-5, p. 605
  2. ^ Anderson 2001, p. 599
  3. ^ Ritz, Christiane M.; Martins, Ludwig; Mecklenburg, Rainer; Goremykin, Vadim & Hellwig, Frank H. (2007), "The molecular phylogeny of Rebutia (Cactaceae) and its allies demonstrates the influence of paleogeography on the evolution of South American mountain cacti", American Journal of Botany, 94: 1321-1332, doi:10.3732/ajb.94.8.1321, PMID 21636499
  4. ^ Anderson 2001, p. 604
  5. ^ Sheader, Martin (2012), "Show Reports: Summer Show South", The Alpine Gardener, 80 (1): 88-91

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

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