08-10-2010, 02:56 PM
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I noticed this in the photos yesterday in your other thread. Sorry, I forgot to mention it there.
Yes, Dracanea is a terrestrial plant; there are several varieties of house plant in this genus. Peter Hiscock says it will survive for several months submerged, then rot. It is best with the roots in water and the leaves in air, such as in a plaudarium or terrarium. It is most assuredly not an aquatic plant.
The grass plant you have in the photos is commonly called a Fountain Plant (due to the shape the leaves grow), or scientifically the genus Ophiopogon. Also not a true aquatic, but the species O. japonicus (which is the most commonly available) will, according to Hiscock, do better submerged. Some other species in the genus will also eventually die submerged, but he does not say that about this one.
It is regrettable that the chain stores seem to carry these types of plants predominantly, and of course in most cases they fail to properly advise customers. We live and learn.
The Wisteria is a true aquatic, a beautiful stem plant. Leaf shape is determined by the amount of light; lower light leaves will be less pinnate than in higher light.
Last edited by Byron; 08-10-2010 at 02:58 PM..