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Handedness of spathes and leaves of alocasia brisbanensis (Araceae), mainly in Queensland

Shaw, D.E. and Kopittke, R.A. (2000) Handedness of spathes and leaves of alocasia brisbanensis (Araceae), mainly in Queensland. Proceedings of the Royal Society of Queensland, 109 . pp. 63-72. ISSN 0080-469X

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Article Link: https://www.researchgate.net/publication/329162301...


The numbers of left-and right-handed spathes of Alocasia brisbanensis (totalling 2,613 of which 92.3% were from Queensland) examined during nine seasons, were not significantly different from a 1:1 ratio. In addition, 48 individual spathes exhibited both left-and right-hand folding. The numbers of left-and right-folded leaves of 103 flowering plants were also not significantly different from a 1:1 ratio, but those of 20 non-flowering plants were significantly different (P <0.01), the reason for which is unexplained. Occasional reversals and re-reversals of direction occurred in left-and right-hand sequences in both spathes and leaves. The mechanism underlying 1:1 handedness, reversals, re-reversals and mixed individual spathes of this species, and of this phenomenon in other plants, needs to be investigated.

Item Type:Article
Subjects:Plant culture
Plant culture > Flowers and flower culture. Ornamental plants > Culture of individual plants
Live Archive:08 Jan 2024 01:14
Last Modified:08 Jan 2024 01:14

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