Re: colocasia,what is the largest?
Equally, Colocasia gigantaea gets quite a bit taller than most of the Alocasias, and is fairly easy to grow. However, if you want the truly huge-leafed aroids, you need to consider the Ecuadorean Anthurium giganteum and the other members of section Belolonchium. These grow tall (up to 10' standing alone on some species) and throw leaf blades that start at about 6' and go to about 20' in older specimens. A. angamarcanum in particular gets quite huge. There are also some strap-leaf Philodendrons, including a few species yet to be described, that go to about 18'.
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