First post I think. I've been lurking on this list for a while watching for information on Bucephalandra plants, but this post caught my eye. Just to add to the discussion on bullate leaf form. My hobby centers on Aquatic Gardening and many plants in the
Genus Cryptocoryne have bullate leaves.
Cryptocoryne aponogetifolia https://crypts.home.xs4all.nl/Cryptocoryne/Gallery/apo/apo.html
C. bullosa https://crypts.home.xs4all.nl/Cryptocoryne/Gallery/bul/bul.html
C. crispatula var. balansae https://crypts.home.xs4all.nl/Cryptocoryne/Gallery/bal/bal.html
C. hudoroi https://crypts.home.xs4all.nl/Cryptocoryne/Gallery/hud/hud.html
C. usteriana https://crypts.home.xs4all.nl/Cryptocoryne/Gallery/ust/ust.html
I may have missed a few species, but these are the ones I am familiar with. Some of these plants grow in fairly swiftly flowing water at times in the year while at other times they grow emersed during low water.
Some at least keep the bullated leaf form while growing emersed.
Date: Fri, 24 Jun 2016 15:18:37 -0400
From: Corey W <firstname.lastname@example.org>
Subject: Re: [Aroid-l] Fiction of bullate leaves
To: Discussion of aroids <email@example.com>
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Ah yes, Ted, you are right in line with my thinking!
I'm thinking bullate leaves likely is a functional form that is then
further modified by things like cuticle, leaf thickness, etc., and the
"bullate"-ness of a leaf may be a term capturing multiple different things.
I googled "bullate anthurium" and came up with A. radicans, a species I
adore. It is distinctly bullate, but also distinctly happy as a houseplant
in my conditions and is not limited to high humidity... but those are some
mighty thick leaves with a nice waxy cuticle. The mystery continues!