allotriploid Lycoris radiata was: Re: Transplanting spring-foliage Lycoris?

Tony Avent
Wed, 03 Apr 2019 12:14:38 PDT
Hi Jim;

To my knowledge, the only form of L. radiata to be confirmed as a sterile autotriploid is L. radiata var. radiata by Nishiyama in 1928 and confirmed by Inariyama in 1951.  So, whey would the other forms of L. radiata need a different name just because of the ploidy difference?

Tony Avent
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From: pbs <> On Behalf Of Jim McKenney via pbs
Sent: Tuesday, April 02, 2019 12:29 PM
To: Pacific Bulb Society <>
Cc: Jim McKenney <>
Subject: [pbs] allotriploid Lycoris radiata was: Re: Transplanting spring-foliage Lycoris?

allotriploid, Lycoris × hubeiensis hybr. nov. was mentoned.

It's long been known that the late blooming, typical form of Lycoris radiata is triploid. And I've long wondered if it is also an allotriploid. The fact that it and the diploid forms have such  distinct blooming seasons suggests as much to me.Does anyone know: have there been studies which have confirmed that the triploid Lycoris radiata is autotriploid? Or has that simply been assumed?
The answer to that question could have consequences for nomenclature. If the triploid form is autotriploid, then its name, Lycoris radiata, remains the name for both the triploid and diploid forms. But if it's allotriploid, then the triploid form gets the name Lycoris radiata and the diploid form needs a new name.
Jim McKenneyMontgomery County, Maryland, USA, USDA zone 7 where the greater Washington, D.C. area is as beautiful as anyplace ever gets thanks to millions of cherry and other fruit tree blossoms, magnolia blossoms, forsythia flowers, daffodils and a host of minor players. Add to that the  batrachian choruses at the ponds and burgeoning bird song as more and more migrants begin to appear, and there is no other place I would rather be now.

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