Apical dominance at work, allowing plants a practical way to have spare parts on hand. I recently got a tuber of Amorphoplallus napalensis in the mail, carelessly packed so the sprout broke off in transit. I planted it and hoped, and sure enough, new growths eventually sprouted. No bloom for this year, though.
A few years back, we had a bizarre hard freeze at the end of May, and all the large trees looked like someone took a blowtorch to them. All the leaves were black. But within a few days, dormant buds burst into growth and in maybe two weeks there was no evidence that anything had happened! Nature has had a long time to work on these problems, and the solutions are pretty elegant.
Bob
On Tuesday, June 30, 2020, 05:04:02 PM EDT, Robert Parks via pbs <pbs@lists.pacificbulbsociety.net> wrote:
Your mileage may vary. I've noticed that Amorphophallus corms have already
formed the flower bud when they go dormant, as well as the next year's leaf
bud. For extra confusion, one of mine had a leaf failure, and when that
fell away there was already a bud starting to expand from the same growing
point...even though normally they are a one leaf a year plant.
On Tue, Jun 30, 2020 at 12:01 PM Diane via pbs <
pbs@lists.pacificbulbsociety.net> wrote:
>
> When you buy flower bulbs, the flower is already present, squished
> inside. I’ve never cut a bulb open to see how developed the flower is.
>
> I wonder when they begin to form? When do conditions have to be right for
> this to happen?
>
> Have any of you bought bulbs that did not flower?
>
> This question was triggered by my bletilla corms producing only leaves for
> nine years.
>
> Diane Whitehead
> Victoria, British Columbia, Canada
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