rachiform n stresses
biol.	стержневидный; стержнеобразный
rachiform ['reikəfɔːm] adj.
Gruzovik, biol.	стержневидный (having the form of a rachis [a. an axial structure: such as a (1) the elongated axis of an inflorescence; (2) an extension of the petiole of a compound leaf that bears the leaflets; b. the distal part of the shaft of a feather that bears the web]); стержнеобразный (= стержневидный)