of a fruit, when it dehisces through the centres of loculi; cf. septicidal.
• (a.) Dehiscent through the middle of the back of each cell; -- said of capsules.
said of a capsule, longitudinally dehiscent through the ovary wall at or near the center of each chamber or locule (compare poricidal, septicidal)
Of the dehiscence of a fruit, along lines coinciding with the centres of loculi. ... Compare: septicidal. ... (09 Oct 1997) ... 
said of a capsule, longitudinally dehiscent through the ovary wall at or near the center of each chamber or locule (compare poricidal, septicidal)
Describing a capsule which splits open longitudinally to expose the locules of the ovary, each suture corresponding to the midrib of one of the carpels comprising the ovary.
Loc'u·li·ci`dal adjective [ Latin loculus cell + caedere to cut: confer French loculicide .] (Botany) Dehiscent through the middle of the back of each cell; -- said of capsules. 
Dehiscence between the partitions into the cavity.
When a fruit capsule dehisces along lines coinciding with the centers of loculi (the enclosed compartments within the ovary). Compare septicidal.
(of a capsule) splitting lengthwise so as to divide each locule into two parts.