- The
cortex is
rather thick in
covering a
partially hollow medulla (“
subfistulose”), 100–150(-200) µm thick,
olive green in
color with smooth, reticulate...
- 75–25 µm thick. This
thinning of the
cortex and the
development of a
subfistulose medulla probably relates to the
coiling of the branches.
Black dot-like...
- to 35–75 µm thick, in the
closely related Niebla undulata,
covering a
subfistulose medulla, the
cortex eroding on
terminal branches, the
medulla exposed...
-
divaricatic acid, with triterpenes. The
cortex surrounds a
fistulose to
subfistulose medulla,
varying from 55–175 µm thick,
generally thinner on the branches...
