Tag Archives: Plants

The Thalia

As I mentioned before, the Thalia is quite tall.  On the way to the fence, it peaks around 3 m high in waist deep water.  In other areas, there are points where the Thalia approaches 4 m and is incredible difficult to pass through.

Again, much of the Thalia has been consumed by a moth larva (the moths themselves emerge around dusk and fly across the wetland by the millions!).  What is left by the larva are stems and razor sharp, pointed ‘leaves’.  Essentially, all that remains of the leaves is the center, supporting vein.  Whole leaves look similar to banana leaves.  It’s interesting that this defoliation is occurring at flower/seed set for the plants.  As Mark pointed out, what implications does this have for the recruitment?  I haven’t encountered any untouched plants, but it would be interesting to see if seeds are more numerous or weigh more (or something along those ‘fecundity’ lines).  The plant is perennial too, and I wonder if the herbivory influences underground energy storage and likelihood that an individual will survive to the next season.

Tall Thalia genticulata - 10.14.2009 - 08.20.34 Thalia herbivory - 10.15.2009 - 11.49.32

Frakin’ tomatoes

I think this is an alien Solanaceae that I found in Kent bog.  Another Solananaceae I discovered was in Palo Verde and was covered in spines.  It inhabited nearly the entire wetland area while the wetland was dry and, when the first rains came, the plants quickly grew, flowered and set fruit.  As the wetland became inundated, the plants died and their fruits and spines were dispersed.  These spines eventually forced me to abandon my tennis shoes while wading in favor of hot, rubber waders.

Solanaceae - Solanum dulcamara - Bittersweet Nightshade - 09.04.2009 - 15.09.40 Solanaceae - Solanum dulcamara - Bittersweet Nightshade - 09.04.2009 - 15.10.20