Grusonia dumetorum
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| ( A. Berger ) EFAnderson |
Grusonia dumetorum is a species of plant in the genus Grusonia fromthe cactus family (Cactaceae). Thespecific epithet dumetorum means' (genitive plural from Latin dumetum) thicket, scrub; as much as out of the thicket '.
description
Grusonia dumetorum forms clumps up to 50 centimeters high. The more or less cylindrical, greyish green shoot sections are somewhat downy-haired and slightly humped. The circular areoles are covered with white wool, a few white hairs and whitish glochids . There are several unequal, spreading, yellowish brow thorns 1.2 to 1.5 centimeters long.
Nothing is known about the flowers and fruits .
Distribution and systematics
Grusonia dumetorum is common in the Mexican state of Tamaulipas .
It was first described as Opuntia dumetorum in 1929 by Alwin Berger . Edward Frederick Anderson placed the species in the genus Grusonia in 1999 . Synonyms are Corynopuntia dumetorum (A.Berger) FMKnuth (1936) and Platyopuntia dumetorum (A.Berger) F.Ritter (1979, incorrect name, ICBN article 11.4).
Grusonia dumetorum is not well known.
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 305-306 .
Individual evidence
- ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Birkhäuser 2004, ISBN 3-540-00489-0 , p. 70.
- ↑ cacti . Eugen Ulmer, Stuttgart 1929, p. 58.
- ^ Cactus and Succulent Journal . Volume 71, Number 6, Cactus and Succulent Society of America, 1999, p. 325.