Rhipsalideae
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The Rhipsalideae are a tribe in the subfamily Cactoideae from the cactus family .
description
Rhipsalideae are usually pendulous, sometimes creeping or shrubby, but only exceptionally climbing epiphytes or lithophytes . Their round, angular or flattened shoots in cross-section are structured. The small, polysymmetrical to asymmetrical flowers that appear on the side of the shoot open during the day and often stay open throughout the night. Your pericarpell is bare and rarely covered with areoles . The fleshy, berry-like fruits do not tear open. The small to medium-sized seeds have no specific surface structure. The hilum and micropyle of the seeds are united with one another, a slimy covering is present.
Systematics and distribution
The tribe Rhipsalideae are mainly found in eastern South America . Some species occur in Central and North America . One species ( Rhipsalis baccifera ) also grows in the Old World . The tribe was set up in 1828 by Augustin-Pyrame de Candolle . The following genera belong to the tribe:
- Hatiora Britton & Rose
- Lepismium whistle.
- Rhipsalis Gaertn.
- Schlumbergera Lem.
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 59 .
Individual evidence
- ^ Edward F. Anderson : The great cactus lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 59 .
further reading
- Wilhelm Barthlott, Nigel P. Taylor: Notes towards a Monograph of Rhipsalideae (Cactaceae) . In: Bradleya . Volume 13, 1995, pp. 43-79.
- Nadja Korotkova, Thomas Borsch, Dietmar Quandt, Nigel P. Taylor, Kai F. Müller, Wilhelm Barthlott: What does it take to resolve relationships and to identify species with molecular markers? An example from the epiphytic Rhipsalideae (Cactaceae) . In: American Journal of Botany . Volume 98, Number 9, 2011, pp. 1549-1572 ( doi: 10.3732 / ajb.1000502 ).
Web links
- Identification keys (Engl.)