A Grammatical Dictionary of Botanical Latin

Transition, a change from one state to another, e.g. passage, change, transformation, alteration: transitus,-us (s.m.IV), abl.sg. transitu; transitio,-onis (s.f.III), abl.sg. transitione;

- laminis zona transitionis supra basem e cellulis parvis composita, with laminae with a zone of transition zone of transition above the base composed of small cells.

- area transitus ad medium capsulae, area of transition at the middle of the capsule.

- transitus per Spiraeas conspicuus est, the transition through the Spiraeas is conspituous.

- stirps a Ricinocarpo ad Bertyam transitum clarum efficit (F. Muell.), the plant makes a [clear transition] from Ricinocarpus to Bertya.

- ab Ilicineis differunt disci praesentia, ovulis saepissime erectis, petalisque liberis, sed mediantibus Microtropide et Cassine transitus obvius est (B&H), they differ from the Ilicineae by the presence of a disc, by the ovules most often erect and the petals free, but the transition is easy to see [i.e. obvious] by the intermediates Microtropis and Cassine.