In botany , phyllotaxis or
phyllotaxy is the arrangement of leaves on a plant stem (from Ancient Greek phýllon "leaf" and táxis "
Kaynak: PhyllotaxisParastichy, in
phyllotaxy , is the (invisible) spiral line of the pattern of the areole s on some plants, such as cactuses and pinecones
Kaynak: ParastichyThe
phyllotaxy is usually opposite and decussate , but leaves have a spiral or alternate arrangement in some groups. As with other
Kaynak: Gesneriaceae"Tetragona" comes from the
phyllotaxy of the leaves. It is popularly named the "miniature pine tree" among ornamental plant enthusiasts,
Kaynak: Crassula tetragonaIn maize , a mutation in only one gene called ABPHYL (ABnormal
PHYLlotaxy) was enough to change the
phyllotaxy of the leaves.
Kaynak: Evolutionary history of plantsThe spatial pattern of the arrangement of leaves is called
phyllotaxy whereas the time between successive leaf initiation events is called
Kaynak: PlastochronHis particular fields of interest were
phyllotaxy , the development and arrangement of parts of the flower and one-celled sea plants He
Kaynak: Arthur Harry ChurchThis arrangement later became known as 2/5
phyllotaxy , a system where repetitions of five leaves occur in two turns of the axis.
Kaynak: Symmetry in biologyThe
phyllotaxy is opposite or in whorls of three, simple (not pinnate , like most other jasmines They are smooth (glabrous) except for a
Kaynak: Jasminum sambacerratic genius after obtaining a remarkable grasp of philosophical botany and laying the foundations of
phyllotaxy abandoned the subject entirely.
Kaynak: George Engelmann