From: Corey W <cewickliffe at gmail.com>
on 2015.05.13 at 14:35:36
Thank you Peter! Call me a nerd, but I love learning those definitions and how they apply to ecological niches.
I was trained in zoology to recognize traits that hinted at lifestyle, but sadly never took botany that taught me the same. Always happy to find sources to learn from!
All these new species are exciting!
Corey
On May 13, 2015 10:12 AM, "Peter Boyce" < phymatarum@gmail.com> wrote: Hi Cory,=C2=A0
Streamlined leaf blades are widely associated rheophytism and with aquatic plants - indeed before the term 'rheophytism' was coined by van Steenis, Ridley, who termed it =E2=80=98stenophylly=E2=80=99, mentioned the ecological nice and its adaptations in "On the Flora of the Eastern Coast of the Malay Peninsula - [Transactions of the Linnean Society of London. 2nd series, Botany 3(10), 267-408].
By the way, the "wider" leaf blade in the image is an undescribed Aridarum, also a rheophyte, and these blades still classify as narrow.
This is a nice paper dealing with morphological adaptations associated with rheophytism:
Kind Regards
Peter
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