Matucana madisoniorum

Matucana madisoniorum is a species of Matucana found in Peru.[2]

Matucana madisoniorum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Matucana
Species:
M. madisoniorum
Binomial name
Matucana madisoniorum
(Hutchison) G.D.Rowley 2006
Synonyms
  • Anhaloniopsis madisoniorum (Hutchison) Mottram 2014
  • Borzicactus madisoniorum Hutchison 1963
  • Eomatucana madisoniorum (Hutchison) F.Ritter 1981
  • Loxanthocereus madisonorum (Hutchison) Buxb. 1974
  • Submatucana madisoniorum (Hutchison) Backeb. 1966

Description

Matucana madisoniorum usually grows solitary and only rarely sprouts with flattened, spherical to broadly columnar, cloudy grey-green shoots and reaches a height of up to 15 centimeters with a diameter of 10 centimeters. There are seven to twelve flat and broad transversely furrowed ribs. The up to five blackish-brown, curved, flexible and slightly falling spines, which can also be absent, turn gray with age. They are up to 3 centimeters long.

The narrow, funnel-shaped, slightly crooked, orange-red flowers are 8 to 10 centimeters long and have a diameter of 4 to 5.5 centimeters. The spherical, hairy fruits reach a diameter of up to 2 centimeters.[3]

Distribution

Matucana madisoniorum is found in the Peruvian Amazon region northeast of the city of Bagua in the valley of the Río Marañón at altitudes of 400 to 1000 meters.

Taxonomy

The first description as Borzicactus madisoniorum was in 1963 by Paul Clifford Hutchison.[4] The specific epithet madisoniorum honors US attorney Marshall Pierce Madison (1895–1977), his wife Elena Eyre Madison, and the Madison Fund in San Francisco for supporting the University of California Botanical Garden. Gordon Douglas Rowley placed the species in the genus Matucana in 1973. Other nomenclature synonyms are Submatucana madisoniorum (Hutchison) Backeb. (1966), Loxanthocereus madisoniorum (Hutchison) Buxb. (1974), Eomatucana madisoniorum (Hutchison) F.Ritter (1981) and Anhaloniopsis madisoniorum (Hutchison) Mottram (2014).

References

  1. Assessment), Jose Roque (Global Cactus (2011-05-05). "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. Retrieved 2023-08-26.
  2. "Matucana madisoniorum (Hutchison) G.D.Rowley ex D.R.Hunt". Plants of the World Online. Retrieved 2023-08-26.
  3. Anderson, Edward F.; Eggli, Urs (2005). Das grosse Kakteen-Lexikon (in German). p. 420. ISBN 3-8001-4573-1.
  4. "Cactus and Succulent Journal Nov-Dec 1963: Vol 35 Iss 6 : Free Download, Borrow, and Streaming : Internet Archive". Internet Archive. 2023-03-25. Retrieved 2023-08-26.
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