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Drift seed

Seeds and fruits adapted for long distance dispersal by water

Drift seed
Summary

Seeds and fruits adapted for long distance dispersal by water

NOTOC Drift seeds (also sea beans) and drift fruit are seeds and fruit adapted for long-distance dispersal by water. Most are produced by tropical trees, and they can be found on distant beaches after drifting thousands of kilometres through ocean currents. This method of propagation has helped many species of plant such as the coconut colonize and establish themselves on previously barren islands. Consequently, drift seeds and fruits are of interest to scientists who study these currents.

In botanical terminology, a drift fruit is a kind of diaspore, and drift seeds and fruits are disseminules.

Sources of drift seeds

ox-eye bean]]s (''[[Mucuna gigantea]]'')
  • Caesalpinia bonduc – grey nickernut
  • Caesalpinia major – yellow nickernut
  • Carapa guianensis – crabwood (New World tropics)
  • Entada gigas – seaheart, (New World tropics, Africa)
  • Entada rheedei – snuff box sea bean, from the tropics of the Indian Ocean
  • Erythrina fusca – bucayo (pantropical)
  • Erythrina variegata – tiger claw (Old World tropics)
  • Mucuna spp. – ox-eye bean, hamburger seed, deer-eye bean
  • Lathyrus japonicus – beach pea (circumboreal and Argentina)
  • Ormosia spp. – horse-eye bean, from the tropics
  • Terminalia catappa – tropical almond, from the tropics of Asia

Sources of drift fruit

  • Barringtonia asiatica – box fruit, from Polynesia
  • Cocos nucifera – coconut, from the tropics
  • Grias cauliflora – anchovy pear, from the tropics of the Americas
  • Heritiera littoralis – puzzle fruit, from Southeast Asia
  • Lodoicea maldivica – coco de mer, from the Seychelles
  • Manicaria saccifera – sea coconut, from South America
  • Pandanus spp. – screw pines, from the Old World tropics

Research

Enthusiasts founded an annual convention in 1996, the International Sea-bean Symposium, dedicated to the display, study, and dissemination of information concerning drift seeds and other flotsam.

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References

References

  1. Armstrong, Wayne P.. (May 2001). "Notes On The Ocean Dispersal of Coral Beans". The Drifting Seed.
  2. Ackerman, J.. (October 2000). "New Eyes on the Oceans". [[National Geographic Magazine]].
  3. "International Sea-Bean Symposium".
  4. "28th Annual International Sea-Bean Symposium and Beachcombers' Festival".
Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

plant-morphology plant-reproduction ocean-currents decorative-fruits-and-seeds
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