Kevin D. Preuss hyline@tampabay.rr.com
Sat, 24 Apr 2004 06:25:21 PDT
Phil -
This seems to be the case in the West Indes and Meso America - one grows
along the coast and the other is more riparian.
Typically H. carribbeae occurs on the island while latifolia gows on the
coastline of the Gulf dwn into Central America beaches.
I've yet to figure out what H. expansa is ( I think this one lacks a neck).
H. aerenicola I am not that familiar with.  (mine has a neck and 3 offsets).
The other plant you have could be H. expansa as I have heard of this
occurring on one end of an island while H. carribeae formed large colonies
on the other side of the isalnd.

Kevin Preuss

> The out islands of the northern Bahamas have two 'endemic' Hymenocallis
> (that I've seen). I hesitate on the endemic status of these because
> I've seen one them frequently in the wild, the area has been settled for
> quite a while and I keep second-guessing myself as to the species.  One is
> relatively large-bulbed (H. arenicola?) and grows in the coral sand dunes
> right up to the storm line.  The bulbs are oten deeply buried.  It does
> divide and is remarkable tolerant of salt and the winter drought.  It is
> interesting to observe this lily growing out of the debris line from past
> hurricanes on some of the uninhabited shorelines.  Its not clear how far
> these plants have been carried by the storms.
> The second species grows more inland, offsets freely and has smaller,
> narrower, more upright leaves that come to a distinct point.  The flowers
> are correspondingly smaller and have a relatively small corolla.    I've
> never observed this species on the dunes and its usually associated with
> human habitation- often with abandoned settlements.
> Virtually all plants exhibit some degree of infection (Cercospora?) as
> begin to go dormant during the dry season although plants on the dunes
> appear to be much less susceptible.
> Thanks for the useful discussion,
> Phil Andrews
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