Definition of alternate-pinnate in English:

alternate-pinnate

adjective

Botany

Having the pinnae or leaflets of a compound leaf alternate upon the midrib or petiole; (of leaf venation) consisting of a series of lateral branches arising alternately on each side of the midrib.

Origin

Mid 19th century; earliest use found in Thomas Moore (1821–1887), gardener and writer on horticulture. Perhaps after French alternati-penné; compare slightly earlier alternipinnate.

Definition of alternate-pinnate in US English:

alternate-pinnate

adjective

Botany

Having the pinnae or leaflets of a compound leaf alternate upon the midrib or petiole; (of leaf venation) consisting of a series of lateral branches arising alternately on each side of the midrib.

Origin

Mid 19th century; earliest use found in Thomas Moore (1821–1887), gardener and writer on horticulture. Perhaps after French alternati-penné; compare slightly earlier alternipinnate.

词汇	alternate-pinnate
释义	Definition of alternate-pinnate in English: alternate-pinnate adjective Botany Having the pinnae or leaflets of a compound leaf alternate upon the midrib or petiole; (of leaf venation) consisting of a series of lateral branches arising alternately on each side of the midrib. Origin Mid 19th century; earliest use found in Thomas Moore (1821–1887), gardener and writer on horticulture. Perhaps after French alternati-penné; compare slightly earlier alternipinnate. Definition of alternate-pinnate in US English: alternate-pinnate adjective Botany Having the pinnae or leaflets of a compound leaf alternate upon the midrib or petiole; (of leaf venation) consisting of a series of lateral branches arising alternately on each side of the midrib. Origin Mid 19th century; earliest use found in Thomas Moore (1821–1887), gardener and writer on horticulture. Perhaps after French alternati-penné; compare slightly earlier alternipinnate.
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