decussate

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decussate

[′dek·ə‚sāt]
(botany)
Of the arrangement of leaves, occurring in alternating pairs at right angles.
(science and technology)
To intersect in the form of an X.
References in periodicals archive ?
Effects of environmental conditionson planktonic abundances, benthic recruitment and growth rate of the bivalve mollusc Ruditapes decussates in a Portuguese coastal lagoon.
Because of the possibility of sexual differentiation in biochemical composition, as shown in the clam Ruditapes decussates (L.
Gametogenesis and spawning in the carpet-shell clam, Ruditapes decussates (L.