I regularly do quantitative analysis regarding the use of indoor decorative plants. I do it by scanning through thousands of RSS items in Google Reader. Blogs such as Apartment Therapy, Inhabitat and Treehugger (among many others) are high on the list of sites I scan because they reflect the consumer market.
I look for frequency of items (quantity) related to living indoor plants. The results are sparse. I find far more about cut flowers than living plants. There may be no plants in a room setting other than cut flowers such as Calla Lilies or a cut Monstera leaf.
When I do find living plants, most likely they are in orange clay pots with saucers.
To me all of this seems anything but green based on long experience successfully using sub-irrigation (aka self-watering) to maintain living plants.
I see both cut flowers and clay pot plants as the opposite of green. For me they are wasteful and in opposition to sustainability. What is your opinion?