Re: Introduction

Fri, 14 Jan 1994 23:48:42 -0700 (MST)

On Fri, 14 Jan 1994 09:10:11 -0800 Barry Meyers-Rice said:
>>Does anybody know how to break seed dormancy with this group of
>>sundews really efficiently?
>Andreas: I have no advice for you on this, but a few thoughts which perhaps
>our xerophytically inclined colleague M.Chamberland can destroy.

Actually I have had pretty good luck in my attempts with tuberous Drosera
seed! :-) I got all mine from the seedbank though, so it's likely they
were harvested from cultivated plants.

>I get the impression that the seeds of plants which grow in seasonally
>very dry climates (like the desert plants of Arizona or Western Australia)
>are very slow to germinate. Apparently they are very cautious about

On the other hand there are many quick-germinating desert plants. Not just
annuals, some true xerophytes like Stapelia and Pachypodium have have
quick-germinating, short-lived seeds.
I believe the Australian climes inhabited by tuberous Drosera are radically
different from our Arizona deserts. Just sprinkle some D. ramellosa seed out
by Ajo and wait! :-) I wonder if fire plays any part in the germination of