- The
velamen or
velamen radi**** ("covering of the roots" in Latin) is a spongy,
multiple epidermis that
covers the
roots of some
epiphytic or semi-epiphytic...
- In the
older parts of the roots, a
modified spongy epidermis,
called a
velamen, has the
function of
absorbing humidity. It is made of dead
cells and can...
-
surprising results in
studies on
aerial roots of
orchids show that the
velamen (the
white spongy envelope of the
aerial roots), are
actually totally waterproof...
-
which contains two genera:
Cestum and
Velamen. Each
genus contains one species.
Cestum veneris Lesueur, 1813
Velamen parallelum (Fol, 1869) Barnes, Robert...
-
Velamen is a
genus of ctenop****s
belonging to the
family Cestidae. It
contains a
single species,
Velamen parallelum. The
species is less than 20 cm long...
- Baissac, Yves; Jay-Allemand, Christian; Renner,
Susanne S. (2015). "The
velamen protects photosynthetic orchid roots against UV-B damage, and a
large dated...
- plants.
veinlet A
small vein; the
ultimate (visible)
division of a vein.
velamen A
spongy tissue covering the
aerial roots of
orchids and some
other epiphytes...
- to 1.5
meters (4.9 ft) long, and can
undulate slowly or
quite rapidly.
Velamen parallelum,
which is
typically less than 20
centimeters (0.66 ft) long...
- base of the stem. The root is
composed of a
spongy outer layer called the
velamen,
which is
responsible for
protecting underlying cells from UV rays and...
- all the plant's photosynthesis.
Their outer layer is an
example of the
velamen typical of most
epiphytic orchids. Its
functions include the absorption...