Talk:Nelumbo

Wiki Education Foundation-supported course assignment

This article is or was the subject of a Wiki Education Foundation-supported course assignment. Further details are available on the course page. Student editor(s): Madhavpatel516. Peer reviewers: Parisornthep.

Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT (talk) 05:05, 17 January 2022 (UTC)

Commons picture needs verification

Would someone who knows a lot more than me about botany please take a look at Commons:Image:Juanita Bay - lily pads.jpg and tell me if I am correct to identify these as Nelumbo lutea (and, if not, please change the caption and possibly the category accordingly). & then say here that this has been done so someone else doesn't waste their time. Thanks. - Jmabel | Talk 05:22, 30 July 2007 (UTC)

May be someone should add some more info in this topic. For example what can it be use for (Lotus seed bun). —Preceding unsigned comment added by 115.64.37.182 (talk) 09:30, 6 May 2009 (UTC) The article on Nelumbo has a section on thermoregulation already, but it is a very limited and narrow portion. I would improve it by adding the following information to the article:

Hello! I am editing this page as part of a college plant biology course. This is how I plan to improve this article! Thermoregulation 1) Lead: A unique property of the Nelumbo genus is that it can generate heat[10], which is does by using the alternative oxidase pathway (AOX)[2][8]. This pathway involves a different exchange of electrons from the usual pathway that electrons follow when generating energy in mitochondria.

2) The Alternative Oxidase Pathway in Nelumbo[9][4][3] : The typical pathway in plant mitochondria involves cytochrome complexes. The pathway used to generate heat in Nelumbo involves alternative oxidase, which is cyanide-resistant. The plant also reduces ubiquitin concentrations while in thermogenesis, which allows the AOX in the plant to function without degradation. This alternative pathway is used much more by the plant than the typical cytochrome pathway, and the excess heat produced allows the plant to heat itself up.

3) Location of thermogenesis in lotus [5] : thermogenesis is restricted to the receptacle, stamen, and petals of the flower, but each of these parts produce heat independently.

4) Purpose of thermogenesis in lotus[10][7][1] : Put simply, it attracts pollinators. Many theories are offered, but none have been conclusively proved. One theory says that heated flowers attract insect pollinators; as they warm themselves up in the flower, they deposit and pick up pollen onto and from the flower. Other theories say that the heat helps release volatile compounds into the air to attract pollinators that are flying over water, or that the heat is recognizable in the dark by thermo-sensitive pollinators.

5) Loss of thermogenicity[6]: the receptacle of the lotus transitions from a primarily thermogenic to a photosynthetic structure, as seen in the rapid and dramatic increase in photosystems, photosynthetically involved pigments, electron transport rates, and the presence of 13C in the receptacle and petals, all of which assist in increasing photosynthesis rates.