Definitions for "Distichous"
Keywords:  rows, stem, ranks, leaves, gasteria
Disposed in two vertical rows; two-ranked.
a. (Gr. distichos, having two rows) two-ranked; in the case of plants with alternate leaves, the arrangement is such that 1st is directly below the 3rd.
two rows of upright leaves, common in Gasteria seedlings--------------------Y-Z
pattern in which a single primordia is inserted at a time and the next primordium is inserted 180° from it. Classified as (1,1).