From a traditional terminology to an adapted one

morphological structure

number of wall

outer wall

inner wall

radial intervallar structure

tabulae

other intervallar structure

Hierarchy

knowledge base
 |
 |_ structure
    |
    |_ Cup shapes {number of wall , outer wall , inner wall , radial intervallar structure , tabulae , other intervallar structure}
    |
    |_ Shape of cup bulges {number of wall , outer wall , inner wall , radial intervallar structure , tabulae , other intervallar structure}
    |
    |_ Number of walls {morphological structure , outer wall , inner wall , radial intervallar structure , tabulae , other intervallar structure}
    |
    |_ Habitus {number of wall , outer wall , inner wall , radial intervallar structure , tabulae , other intervallar structure}
    |
    |_ Central Cavity (or internal if one wall) {number of wall , outer wall , inner wall , radial intervallar structure , tabulae , other intervallar structure}
    |
    |_ Carcass perforations: outer wall or single wall (OW/SW) {morphological structure , number of wall , inner wall , radial intervallar structure , tabulae , other intervallar structure}
    |
    |_ Carcass bumps: outer wall or single wall (OW/SW) {morphological structure , number of wall , inner wall , radial intervallar structure , tabulae , other intervallar structure}
    |
    |_ Carcass external plates: outer wall or single wall (OW/SW) {morphological structure , number of wall , inner wall , radial intervallar structure , tabulae , other intervallar structure}
    |
    |_ Stipules {morphological structure , number of wall , radial intervallar structure , tabulae , other intervallar structure}
    |
    |_ Type of morphological tubes (OW/SW) {morphological structure , number of wall , inner wall , radial intervallar structure , tabulae , other intervallar structure}
    |
    |_ Carcass perforations: inner wall (IW) {morphological structure , number of wall , outer wall , radial intervallar structure , tabulae , other intervallar structure}
    |
    |_ Carcass external plates: inner carcass wall (IW) {morphological structure , number of wall , outer wall , radial intervallar structure , tabulae , other intervallar structure}
    |
    |_ Type of morphological tubes (IW) {morphological structure , number of wall , outer wall , radial intervallar structure , tabulae , other intervallar structure}
    |
    |_ Additional sheath {morphological structure , number of wall , radial intervallar structure , tabulae , other intervallar structure}
    |
    |_ Thorny corolla {number of wall , outer wall , inner wall , radial intervallar structure , tabulae , other intervallar structure}
    |
    |_ Vertical intervallar structures {morphological structure , number of wall , outer wall , inner wall , tabulae , other intervallar structure}
    |
    |_ Link between vertical intervallar structures {morphological structure , number of wall , outer wall , inner wall , radial intervallar structure , tabulae}
    |
    |_ Intervallar cells {morphological structure , number of wall , outer wall , inner wall , radial intervallar structure , tabulae}
    |
    |_ Tabulae {morphological structure , number of wall , outer wall , inner wall , radial intervallar structure , other intervallar structure}
    |
    |_ Chambers {number of wall , outer wall , inner wall , radial intervallar structure , tabulae , other intervallar structure}
    |
    |_ Other aquiferous unit {number of wall , outer wall , inner wall , radial intervallar structure , tabulae , other intervallar structure}