Plant Identification Flashcards
Define basal
bottom/ or base of the plant, e.g basal leaves
Define Bract
A modified leaf that subtends an inflorescence
Define corollas
the second whorl of the flower organ, enclosed by the calyx
Define summit
top/apex of an organ, facing away from its attachment point
Define whorled
the arrangement of a node bearing 3 or more similar organse.e leaves/flowers
Define labellum
In orchids, the lowest , highly modified petal
Define monocot
a plant whose embryos have only one leaf
Describe monocot
Flowers with 3 or 6 petals, often radially symmetrical
Define parallel veins
veins run side by side and do not converge
Define disk flowers
tiny flowers located in the center of a composite head (centre of a daisy)
Define ray flowers
a flower with a single, long strap-lke ray petal that form the outer rinf of a composite head
Define sepal
each individual part of the calyx
Define tepal
sepals and petals that are indistinguishable from each over save from their position
Define spur
a tapering, sometimes curving projection
Define compound
made of of two or more discrete leaflets
Define define rosette plants
leaves produced at ground level, little or no stepm
Define cut leaves
The blade is separated into lobes by slits
Define revolute leaves
the leaf margin is rolled under the leaf blade
Define stipule
small leaf-like projections from the base of the leaf stalk
Define petiole
the leaf stalk
Define pinnate
A form of divided leaf where pairs of leaflets are arranged opposite one another along the rhachis.
