vocab Flashcards
acute
leaf bases or apex less than 90 degrees
apex
the tip of the leaf
apophysis
when a cone is closed it is the only part you can see
bract
on doug-firs mouse tails on the cone scales
compound leaf
a leaf comprised of two or more leaflets
conifer
a cone bearing plant
deciduous
the annual dropping of leaves
decussate
opposite leaves in four rows up and down the stem
niche
a habitat supplying the factors necessary for a species to live
fascicle
a condensed close cluster as most pine needles
glandular
having glands or organs
globose
like a globe or sphere
imbricate
overlapping, as the shingles of a roof
intolerant
unable to grow in the shade of other trees
lanceolate
lance shaped, wider base than apex
linear
long and narrow sides parallel like the blades of grass
midrib
the main rib of a leaf
node
growing point on the stem where leaves are produced
persistent
remaining attached, leaves stay on the tree until new ones grow
petiolate
having a stalk or petiole
pubescent
having hairs
rank
the arrangement of leaves on a twig in a vertical row
serrate
a leaf margin that is saw toothed with teeth
sessile
not stalked no petiole
simple
no leaflets
strobile
a cone like mass having imbricated bracts or scales
subglobose
somewhat globular
umbo
a conical projection arising from the surface a small point on the end of the cone