Alternate phyllotaxy in which the sixth leaf lies above the first leaf after completing two circles is known as

Question

Alternate phyllotaxy in which the sixth leaf lies above the first leaf after completing two circles is known as (A) distichous (B) tristichous (C) pentastichous (D) octastichous

Tardigrade Admin · Accepted Answer

Pentastichous is simplest of spiral phyllotaxy. It is found in grasses. In 2/5 phyllotaxy, there are 5 vertical rows (pentastichous) and 2 circles having 5 leaves at angular divergence.

Q. Alternate phyllotaxy in which the sixth leaf lies above the first leaf after completing two circles is known as

distichous

tristichous

pentastichous

octastichous

Pentastichous is simplest of spiral phyllotaxy. It is found in grasses. In 2/5 phyllotaxy, there are 5 vertical rows (pentastichous) and 2 circles having 5 leaves at angular divergence.