chorisis

== English == === Etymology === From Ancient Greek χώρισις (khṓrisis, “separation”). === Noun === chorisis (countable and uncountable, plural chorises) (botany) The separation of a leaf (or petal or sepal) into two more parts ==== Usage notes ==== In collateral chorisis the parts are side by side. In parallel or median chorisis they are one in front of another. ==== Related terms ==== choristate ==== See also ==== unline