blooming today ... Hymenocallis sp
James SHIELDS (Thu, 13 Mar 2014 13:49:54 PDT)

Jonathan,

I think the best way is having pictures of each but otherwise,
narcissiflora has straighter tepals while Festalis has longer, more curved
tepals. Festalis is pretty common, while true narcissiflora is very rare.
Other than Festalis, one usually sees only "Advance" in cultivation.
Ismene longipetala has a somewhat curved cup. Ismene amancaes and its
hybrids are yellow or yellowish.

Jim

At 01:45 PM 3/13/2014, you wrote:
Jim, how does one distinguish between I.narcissiflora and I. 'Festalis'?

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James Shields jshields46074@gmail.com
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