Uebelmannia pectinifera

Uebelmannia pectinifera is a species of plant in the family Cactaceae. It is endemic to Brazil. Its natural habitats are dry savanna and rocky areas. It is threatened by habitat loss.

Uebelmannia pectinifera
CITES Appendix I (CITES)[2]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Uebelmannia
Species:
U. pectinifera
Binomial name
Uebelmannia pectinifera
Buining

Description

Uebelmannia pectinifer is a solitary and globular species, becoming columnar with age, grows with dark reddish-brown to grayish, more or less cylindrical bodies that reach heights of growth of up to 100 centimeters and a diameter of up to 15 centimeters. The epidermis usually appears granular and is covered with waxy white scales. The 15 to 40 ribs are sharp-edged. The brownish to gray felty areoles on it are very close together. The 1 to 4 brown to almost black spines are protruding, often intertwine and then form a "comb". They are up to 2 centimeters long.

The slender, funnel-shaped, light yellow flowers that bloom diurnal in the summer, up to 1.5 centimeters long and reach a diameter of 1 centimeter. The pear-shaped to cylindrical fruits are purple-red and 1.5 to 2.5 centimeters long,the seeds are small and black.[3]

Subspecies

Accepted subspecies:[4]

ImageSubspeciesDescriptionDistribution
Uebelmannia pectinifera subsp. pectinifera0.5 m in height for about 18 ribs, found in high montane dry savanna around 1,000 metersBrazil (Minas Gerais)
Uebelmannia pectinifera subsp. flavispina (Buining & Brederoo) P.J.Braun & Esteves0.35 m high and up to 20 ribsSE. Brazil (west of Diamantina, Minas Gerais)
Uebelmannia pectinifera subsp. horrida (P.J.Braun) P.J.Braun & Esteves1 m high, from 23 to 40 ribsSE. Brazil (Serra do Espinhaço)
Uebelmannia pectinifera subsp. eriocactoides (Řepka, Krajča & V.Toman) GuiggiTall upright habit, gold spines, 18-25 ribs, elevation of 700-1100 mBrazil (Minas Gerais)

Distribution

Uebelmannia pectinifera is widespread in the Brazilian state of Minas Gerais and grows on sandstones containing quartzite

Taxonomy

The first description was made in 1967 by Albert Frederik Hendrik Buining. The specific epithet pectinifera is derived from the Latin words pecten for 'comb' and -fer for '-bearing' and refers to the comb-like spines of the species.

References
  1. Machado, M.; Taylor, N.P.; Braun, P. (2013). "Uebelmannia pectinifera". IUCN Red List of Threatened Species. 2013: e.T40955A2946752. doi:10.2305/IUCN.UK.2013-1.RLTS.T40955A2946752.en. Retrieved 16 November 2021.
  2. "Appendices | CITES". cites.org. Retrieved 2022-01-14.
  3. Anderson, Edward F.; Eggli, Urs; Anderson, Edward F. (2005). Das große Kakteen-Lexikon (in German). Stuttgart (Hohenheim): Ulmer. p. 637–638. ISBN 3-8001-4573-1.
  4. "Uebelmannia pectinifera Buining — Plants of the World Online". Plants of the World Online. Retrieved 2023-09-16.
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