Re: Inflorescence Odor Changes in Response to Temperature

From: Rand Nicholson <writserv at nbnet.nb.ca> on 1997.12.16 at 14:15:12(1763) >The temperature is again tonight dropping into the low 50degF point and >it is very windy. Since the wind chill will probably put the effective >temperature far below 50, once again the water dwellers will spend their >night in the garage. The Uropspathas have a number of inflorescences most >of which this afternoon were exuding their characteristicly sweet >melon-like odor. Just a few hours later, the fragrance is gone. I know >this is not a response to darkness, as they were quite fragrant last >night at 11PM. (Snip) >But I have not night heard of plants with flowers that respond to >temperature. > >Don It would make sense that plants that produce volatile oils and such to produce an odour to attract pollinators would shut down below a certain temperature. Most insects also shut down and become torpid at lower temperatures, also. Kind Regards, Rand (-18 C) +More Rand Nicholson New Brunswick Maritime Canada, Z 5b

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