luuseeme hõlmab seemet ja seemnekestaga kokkukasvanud vilja sisekesta ehk endokarpi
luuvili - hrl üheseemneline vili, milles seemet ümbritseb puitunud sisekest (nn luu ehk kivi), seda katab lihakas (ploomil), kiuline (kookospähklil) või kuiv keskkest (mandlil) ja seda omakorda nahkjas väliskest
stone - the hard wood-like endocarp of a stone-fruit or drupe, inclosed by the pulpy pericarp, and inclosing the seed or kernel. Also applied to the hard seeds of some pulpy fruits, as the grape.
Pit fragments of less than 5mm in greatest dimension which do not have sharp points or edges are disregarded. Pieces of pits are considered equivalent to one pit when:
- one piece is larger than one half pit, or
- a total of three pieces have been found ...
