Kalanchoe delagoensis
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Bryophyllum delagoense |
Kalanchoe delagoensis is a succulent plant native to Madagascar. In common with the other members of the Bryophyllum section of the genus Kalanchoe, K. delagoensis is notable for vegetatively growing small plantlets on the fringes of its leaves, leading to its common names of mother of thousands and mother of millions.
The plant's capability for vegetative reproduction, its resistance to drought, and its popularity as a garden plant, have allowed the plant to become an invasive weed in places such as eastern Australia and many Pacific islands. In the Neotropics it even gets pollinated by hummingbirds on occasion[1].
As well as displacing native plants, K. delagoensis is also unwelcome because it contains bufadienolide cardiac glycosides[2] which can cause cardiac poisoning, particularly in grazing animals[3].
[edit] Footnotes
- ^ For example Sapphire-spangled Emerald (Amazilia lactea) in Brazil (Baza Mendonça & dos Anjos 2005)
- ^ Bryotoxins A, B and C: McKenzie et al. (1987), Steyn & van Heerden (1998)
- ^ McKenzie & Dunster (1986), McKenzie et al. (1987)
[edit] References
- Baza Mendonça, Luciana & dos Anjos, Luiz (2005): Beija-flores (Aves, Trochilidae) e seus recursos florais em uma área urbana do Sul do Brasil [Hummingbirds (Aves, Trochilidae) and their flowers in an urban area of southern Brazil]. [Portuguese with English abstract] Revista Brasileira de Zoologia 22(1): 51–59. doi:10.1590/S0101-81752005000100007 PDF fulltext
- McKenzie, R.A. & Dunster, P.J. (1986): Hearts and flowers: Bryophyllum poisoning of cattle. Australian Veterinary Journal 63(7): 222-227. PMID 3778371 (HTML abstract)
- McKenzie, R.A.; Franke, F.P. & Dunster, P.J. (1987): The toxicity to cattle and bufadienolide content of six Bryophyllum species. Australian Veterinary Journal 64(10): 298-301. PMID 3439945 (HTML abstract)
- Steyn, Pieter S & van Heerden, Fanie R. (1998): Bufadienolides of plant and animal origin. Nat. Prod. Rep. 15(4): 397-413. doi:10.1039/a815397y PDF fulltext
