> It wouldn't be bamboo, as bamboo is wind-pollinated (no nectar lures), and
> the internal fluids are not particularily sugary, even if it were oozing
> from damaged areas.
 
Granted the dark honey described originally may not be Bamboo honey,
but just because a plant is wind polonated, bees do visit these
plants occasionaly and gather pollen from them.  It can be quite a
useful source of pollen during spring buil up.
 
Adrian.