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Webster 1913 Edition

Parastichy

Pa-ras′ti-chy

,

Noun.

[Pref.

para-

+ Gr.

στίχοσ

a row.]

(Bot.)

A secondary spiral in phyllotaxy, as one of the evident spirals in a pine cone.

Definition 2024

parastichy

parastichy

English

Noun

parastichy ‎(plural parastichies)

(botany) A secondary spiral of leaves