1) Across 2) Crossed 3) Intersectant 4) Intersecting 
opposite, with successive pairs borne at right angles to the last; generally applied to the arrangement of leaves.
having paired organs with successive pairs at right angles to give four rows
to divide in the form of an X; to cross or intersect
• (v. t.) To cross at an acute angle; to cut or divide in the form of X; to intersect; -- said of lines in geometrical figures, rays of light, nerves, etc. • (a.) Alt. of Decussated
arranged in pairs along the stem with each pair at right angles to the one above and below
In pairs, with successive pairs borne at right angles to each other. ... (09 Oct 1997) ... 
(de-kus´āt) to cross in the form of an X. crossed like the letter X.
arranged in pairs along the stem with each pair at right angles to the one above and below
Describing opposite leaves that alternate at right angles to the pairs directly above and below them.
De·cus'sate transitive verb [ imperfect & past participle Decussated ; present participle & verbal noun Decussating .] [ Latin decussatus , past participle of decussare to cross like an X, from decussis (orig. equiv...
Opposite leaves in four rows up and down the stem; alternating in pairs at right angles.
Type: Term Pronunciation: dē-kŭs′āt Definitions: 1. To cross. 2. Crossed like the arms of an X.
[adj] - crossed or intersected in the form of an X 2. [v] - cross or intersect so as to form a cross
intersectant adjective crossed or intersected in the form of an X
In botany, leaves cross or intersect each other or in whorls of three.
In botany, leaves cross or intersect each other or in whorls of three.