pbs Digest, Vol 67, Issue 1

Rick Rodich via pbs pbs@lists.pacificbulbsociety.net
Fri, 02 Sep 2022 13:09:39 PDT
I continue to ask Lilium experts how do you know that a species is self-pollinating or is freely apomictic?
Haven't found anyone with an answer yet.  Apparently, no one seems to care and there has been no scientific testing that I can find.    That said, L. formosanum is generally spoken of as self-fertile and L. regale as freely apomictic.  I did find one instance of a report from the US Fish & Wildlife Service that L. occidentale is self-fertile.  Although the writer does realize this is a rare occurrence in the genus, I am not sure if the report is credible as it is mentioned only in passing.  There are also instances for several other Lilium spp. where apomixis has been documented, but the impetus is not well understood and it can't be predicted, as far as I know.  After L. formosanum and L. regale, L. pumilum and L. martagon have the next highest probability, but there is a huge gap between the two pairs of Lilium spp.  And yes, I have recently read about the apomictic (or self-fertile) possibility of L. wardii.  Although, don't get your hopes up too much:  fat Lilium pods void of via
 ble seed is not uncommon, especially if they are hybrids.  I keep a running list of this characteristic on a spread sheet, and I would be interested to know your results with wardii, if you could keep us updated.  Rick Rodichjust west of Minneapolis, MN  
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