Hi, On 21/03/2018 14:48, Jane Sargent wrote: > Are there other plants that make heat metabolically rather than just > focusing light like Ranunculus or trapping heat in a greenhouse like > Rheum nobile? See: https://pacificbulbsociety.org/pbswiki/index.php/… Search that page for "thermogenic" and "infrared" -- David Pilling http://www.davidpilling.com/ _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/…