Table 5. A comparison in selected embryological characters among genera of Onagraceae. 
Tobe & Raven, Embryology of Onagraceae (Myrtales) 
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^ Data from Tobe & Raven (1985). Dermal = the outer integument (oi) is formed only by derivatives of dermal initials of an ovule primordium, no derivatives of subdermal initials contributing to 
the formation of oi; Partially subdermal I and II = derivatives of subdermal initials participate in the formation of the oi but are restricted to the basal part of oi (I) or reach more than half as much 
as (but less than) the whole length of oi (II); Subdermal = derivatives of subdermal initials participate well in the formation of the oi and reach up to its tip. 
^ Data from Tobe & Raven (1986b). 
