sepal

As a noun sepal

is (botany) one of the component parts of the calyx, when this consists of separate (not fused) parts.

As an adjective undefined is

lacking a definition or value.

In botany terms the difference between sepal and stipule

is that sepal is one of the component parts of the calyx, when this consists of separate (not fused) parts while stipule is basal appendage of a typical leaf of a flowering plant, usually appearing paired beside the petiole although sometimes absent or highly modified.

Bractofflower is likely misspelled.

Bractofflower has no English definition.

As a noun sepal is

one of the component parts of the calyx, when this consists of separate (not fused) parts.

As nouns the difference between sepal and testa

is that sepal is (botany) one of the component parts of the calyx, when this consists of separate (not fused) parts while testa is head.

As nouns the difference between carpel and sepal

is that carpel is one of the individual female reproductive organs in a flower. A carpel is composed of an ovary, a style, and a stigma, although some flowers have carpels without a distinct style. In origin, carpels are leaves (megasporophylls) that have evolved to enclose the ovules. The term pistil is sometimes used to refer to a single carpel or to several carpels fused together while sepal is one of the component parts of the calyx, when this consists of separate (not fused) parts.

As a noun sepal

is (botany) one of the component parts of the calyx, when this consists of separate (not fused) parts.

As an adjective partite is

divided into parts.

In botany terms the difference between bract and sepal

is that bract is a leaf or leaf-like structure from the axil out of which a stalk of a flower or an inflorescence arises while sepal is one of the component parts of the calyx, when this consists of separate (not fused) parts.

As a noun sepal

is one of the component parts of the calyx, when this consists of separate (not fused) parts.

As an adjective setal is

of, pertaining to, or having setae.

As a noun sepal

is one of the component parts of the calyx, when this consists of separate (not fused) parts.

As an adjective seral is

of or pertaining to a sere.