Editing Drosera (section)

=== Roots ===
[[File:Drosera anglica ne2.jpg|thumb|''Drosera anglica'' with prey]]
The root systems of most ''Drosera'' are often only weakly developed or have [[vestigiality|lost their original functions]].<ref name="Adlassnig-2005">{{cite journal |last1=Adlassnig |first1=Wolfram |last2=Peroutka |first2=Marianne |last3=Lambers |first3=Hans |last4=Lichtscheidl |first4=Irene K. |date=July 2005 |title=The Roots of Carnivorous Plants |url=https://link.springer.com/article/10.1007/s11104-004-2754-2 |journal=Plant and Soil |volume=274 |issue=1–2 |pages=127–140 |doi=10.1007/s11104-004-2754-2|bibcode=2005PlSoi.274..127A |s2cid=5038696 }}</ref> They are relatively useless for nutrient uptake, and they serve mainly to absorb water and to anchor the plant to the ground; they have long [[root hair|hair]]s.<ref name="Adlassnig-2005"/>

A few South African species use their roots for water and food storage. Some species have wiry root systems that remain during frosts if the stem dies. Some species, such as ''D. adelae'' and ''[[Drosera hamiltonii|D. hamiltonii]]'', use their roots for asexual propagation, by sprouting plantlets along their length. Some Australian species form underground [[corm]]s for this purpose, which also serve to allow the plants to survive dry summers. The roots of pygmy sundews are often extremely long in proportion to their size, with a 1-cm (0.4-in) plant extending roots over {{convert|15|cm|in|abbr=on}} beneath the soil surface. Some pygmy sundews, such as ''[[Drosera lasiantha|D. lasiantha]]'' and ''[[Drosera scorpioides|D. scorpioides]]'', also form [[adventitious root]]s as supports.

''[[Drosera intermedia|D. intermedia]]'' and ''[[Drosera rotundifolia|D. rotundifolia]]'' have been reported to form [[arbuscular mycorrhiza]]e, which penetrate the plant's tissues,<ref name="Wang-2006">{{cite journal |last1=Wang |first1=B. |last2=Qiu |first2=Y.-L. |title=Phylogenetic distribution and evolution of mycorrhizas in land plants |journal=Mycorrhiza |date=July 2006 |volume=16 |issue=5 |pages=299–363 |doi=10.1007/s00572-005-0033-6|pmid=16845554 |bibcode=2006Mycor..16..299W |s2cid=30468942 }}</ref> they also host fungi like [[endophyte]]s to collect nutrients when they grow in poor soil and form [[symbiosis|symbiotic relationships]].<ref>{{cite journal |last1=Quilliam |first1=Richard S. |last2=Jones |first2=David L. |title=Fungal root endophytes of the carnivorous plant Drosera rotundifolia |url=https://link.springer.com/article/10.1007/s00572-009-0288-4 |journal=Mycorrhiza |date=June 2010 |volume=20 |issue=5 |pages=341–348 |doi=10.1007/s00572-009-0288-4 |pmid=20012108 |bibcode=2010Mycor..20..341Q |s2cid=11825262 }}</ref>