Opuntia rileyi

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Opuntia rileyi
Systematics
Order : Clove-like (Caryophyllales)
Family : Cactus family (Cactaceae)
Subfamily : Opuntioideae
Tribe : Opuntieae
Genre : Opuntia ( Opuntia )
Type : Opuntia rileyi
Scientific name
Opuntia rileyi
JGOrtega

Opuntia rileyi is a species of plant in the genus Opuntia ( Opuntia ) from the cactus family(Cactaceae). The specific epithet honors the British botanist AM Riley (1888–1928).

description

Opuntia rileyi grows tree-shaped and reaches heights of 2 to 3 meters. The downy, narrow obovate shoot sections are 13 to 32 inches long and 9 to 13 inches wide. The small areoles are whitish. Their yellow glochids turn gray with age. The mostly single downwardly directed thorn that runs almost parallel to the shoot surface is whitish.

The flowers are yellow and can reach a diameter of up to 7 centimeters. Nothing is known about the fruit .

Distribution and systematics

Opuntia rileyi is widespread along the coast of the Mexican state of Sinaloa .

The first description by Jesús González Ortega was published in 1929. A nomenklatorisches synonym is Opuntia tomentosa var. Rileyi (JGOrtega) Backeb. (1958).

proof

literature

Individual evidence

  1. Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Birkhäuser 2004, ISBN 3-540-00489-0 , p. 203.
  2. Flora Indigena de Sinaloa . 1929, p. [33].