Seed

Seed characters are those relating to the "unit[s] of sexual reproduction developed from the fertilised ovule" [Hickey et al, 2000].
The next step is to select one of the characters from the list on the left-hand side in order to view definitions of its various features.
Here is a list of the possible seed characters to choose from:

whether endospermic

endosperm type (ruminate or not)

size

hairyness

presence of testa

whether winged

testa surface (smooth, with spines or with tubercles)

testa colour pattern (homogeneous or conspicuously colour patterned)

testa colour

area of scar to testa %

scar position (basal, lateral or apical)

Glossary: 

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Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith