Botany. Of a flower, corolla, calyx, etc.: having its parts uniform in form and size; radially symmetric.

Characterized by ten stamens.

Botany and Zoology. Not having a definite, symmetrical, or uniform shape or arrangement; spec. of a flower, Having the members of the same cycle…

Having, consisting of, or characterized by four parts: spec.. Botany. Having the parts of the flower-whorl in series of four. (Often written 4-merous…

Botany. Having five parts, or parts in groups or multiples of five. (Often written 5-merous.)

Botany. Of a flower: Having the same number of parts in each whorl: = isomerous, adj. 1.

Botany. Having the parts of the flower-whorl six in number. (Often written 6-merous.)

Botany. Of a flower: Having the same number of parts in each whorl. (Said also of the whorls.) Opposed to heteromerous, adj. 2b.

Having parts arranged in groups of eight; having eight parts of a particular type.

not having equal, or the same number of, parts, unsymmetrical; esp. in Bot. having unequal numbers of parts in different whorls.

Having parts arranged in groups of eight; = octamerous, adj.

Applied to flowers which have the parts arranged spirally in such a manner that the transition from one series to another (e.g. from petals to…

Applied to a flower that is symmetrical about a single plane, i.e. divisible into similar lateral halves in only one way; = monosymmetrical, adj.

opposed to actinomorphous, adj.

Having four cycles or circles; spec. in Botany, having four whorls of floral organs.

Botany. Applied to flowers in which the members differ in number in the different whorls: opposed to isomerous.

Botany. = heteromerous, adj. 2b.

Botany. Having fewer divisions or parts than normal.

Of a floral whorl or flower: having more than the normal number of parts.

having ten sepals.