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61 - Droseraceae

from Division 5 - Magnoliophyta

Peter Sell
Affiliation:
University of Cambridge
Gina Murrell
Affiliation:
University of Cambridge
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Summary

Perennial insectivorous herbs. Leaves all in basal rosettes, reddish and covered with sticky glandular hairs, petiolate, with stipules. Inflorescence a simple cyme on a peduncle from ground level; flowers bisexual, actinomorphic, hypogynous, usually remaining closed. Calyx 5- to 8-lobed. Petals 5–8, white. Stamens 5–8. Styles 2–6, often deeply divided above and free or fused below; stigmas linear. Ovary 1-celled, with many ovules. Fruit a capsule.

Contains 4 genera found throughout the world but concentrated in Australia and New Zealand.

Sundews entrap insects, which are caught on the sticky glandular hairs of the outer edge of the leaves. The leaf then coils over the insect and uses the shorter glandular hairs on the centre of the leaf to digest it.

Drosera L.

As family.

Contains about 100 species in acid, sandy, stony and boggy places.

Type
Chapter
Information
Publisher: Cambridge University Press
Print publication year: 2018

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  • Droseraceae
  • Peter Sell, University of Cambridge, Gina Murrell, University of Cambridge
  • Book: Flora of Great Britain and Ireland
  • Chapter DOI: https://doi.org/10.1017/9780511980091.077
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  • Droseraceae
  • Peter Sell, University of Cambridge, Gina Murrell, University of Cambridge
  • Book: Flora of Great Britain and Ireland
  • Chapter DOI: https://doi.org/10.1017/9780511980091.077
Available formats
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Save book to Google Drive

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

  • Droseraceae
  • Peter Sell, University of Cambridge, Gina Murrell, University of Cambridge
  • Book: Flora of Great Britain and Ireland
  • Chapter DOI: https://doi.org/10.1017/9780511980091.077
Available formats
×