Cactaceae Taxa treated:
Opuntia ficus-indica
Pereskia aculeata
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by Thomas Karlsson
(6b, 20070320)

 © Flora Nordica

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This treatment is partly outdated - the final version will appear in print.
1 Stem not succulent, terete; leaves well-developed
- Stem succulent, ± flattened; leaves vestigial or absent

1. Pereskia Mill.

Miller, Gard. dict. abr. ed. 4 (1754).

Pereskia aculeata Mill. 1754. D Tornet Trækaktus. F puukaktus. Fa . I . N . S trädkaktus. - Scrambling shrub, glabrous except for axillary tufts of wool-hairs. Stem not succulent, terete; spines often in pairs at the nodes, usually recurved. Leaves alternate, thin, deciduous, elliptic, 6­-8 × 2.5-4.5 cm; apex acute. Flowers (not present in the Nordic material) in panicles, white.
Grown indoors. A cultivar with leaves variegated yellow to pink was found on throwout in S Sk Kropp (Filborna) 2003. - Tropical America. - Map (not in the book).

2. Opuntia Mill.

Miller, Gard. dict. abr. ed. 4 (1754).

Opuntia ficus-indica (L.) Mill. 1754. D Ægte Figenkaktus. F viikunaopuntia. Fa . I . N . S fikonkaktus. - Shrub. Stem succulent, segmented; segments obovate to elliptic, flattened, with evenly spaced tubercles carrying dense tufts of small glochidiate bristles and one or a few straight spines. Leaves very small, caducous. Flowers (not present in the Nordic material) single, yellow.
A food refuse alien. S Sk Kropp (Filborna) 2002 (sewage sludge; Ljungstrand 2003). - Mexico; grown for shelter and for the edible fruit in areas with a Mediterranean climate, and widely naturalized. - Map (not in the book).

References   To top

Ljungstrand, E. 2003: Fikonkaktus Opuntia ficus-indica funnen i Skåne. Bot. Notiser 136(3): 19-23.