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Geocarpy

In today's world, Geocarpy is a topic that has captured the attention of millions of people around the world. Whether due to its historical relevance, its impact on modern society or simply because of its popularity, Geocarpy is a topic that leaves no one indifferent. From its origins to the present day, Geocarpy has played a crucial role in people's lives, and that is why more and more people are seeking to learn more about this fascinating topic. In this article, we will explore in depth the different facets of Geocarpy, from its origins to its influence today, to discover its true reach and relevance in society.

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Geocarpy in Spigelia genuflexa
Peanut fruit have formed below the ground.

Geocarpy is "an extremely rare means of plant reproduction",[1] in which plants produce diaspores within the soil.[2] This may occur with subterranean flowers (protogeocarpy), or from aerial flowers, parts of which penetrate the soil after flowering (hysterocarpy). It has evolved as an effective means of ensuring a suitable environment for the plant's offspring.[2]

Geocarpy is also linked with solifluction soils, where rapid thawing and freezing of surface soil causes almost continuous movement.[3] This phenomenon is prevalent in high altitude areas of East Africa.[3] In order to reproduce, geocarpic plants bend their stems so that the fruit can be embedded in the soil during the freezing process while the fruit is still attached to the plant itself.[3]

Geocarpy is most frequent in tropical or semi-desert areas,[2] and geocarpic species may be found in the families Araceae, Begoniaceae, Brassicaceae (Cruciferae), Callitrichaceae, Convolvulaceae, Cucurbitaceae, Fabaceae (Leguminosae), Loganiaceae, Moraceae and Rubiaceae.[2][4][5] The best-known example is the peanut, Arachis hypogaea.

References

  1. ^ J. D. Skinner; Christian T. Chimimba (2005). "Order Tubulidentata". The Mammals of the Southern African Sub-region. Cambridge University Press. pp. 35–40. ISBN 9780521844185.
  2. ^ a b c d Karen van Rheede van Oudtshoorn & Margaretha W. Van Rooyen (1999). "Geocarpy". Dispersal Biology of Desert Plants. Springer. pp. 117–118. ISBN 978-3-540-64886-4.
  3. ^ a b c Agnew, A.D.Q.; Hedberg, O. (1969). "Georcapy as an adaptation to afroalpine solifluction soils" (PDF). Journal of the East Africa Natural History Society and National Museum. XXVII (3): 215. Retrieved 14 September 2015.
  4. ^ Suzanne I. Warwick (2010). "Brassicaceae in agriculture". In Renate Schmidt; Ian Bancroft (eds.). Genetics and Genomics of the Brassicaceae. Plant Genetics and Genomics. Vol. 9. Springer. pp. 33–66. ISBN 9781441971180.
  5. ^ Alex V. Popovkin; Katherine G. Mathews; José Carlos Mendes Santos; M. Carmen Molina; Lena Struwe (2011). "Spigelia genuflexa (Loganiaceae), a new geocarpic species from the Atlantic forest of northeastern Bahia, Brazil". PhytoKeys (6): 47–65. doi:10.3897/phytokeys.6.1654. PMC 3261033. PMID 22287919.


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