Bitegmic ovules

Ans. Bitegmic ovules are found in plants of Order Gnetales.
Gnetales:-
> Gnetales is an order of the gymnospermic seed plants. 
> The members of the order Gnetales are characterized by the presence of compound staminate strobili, opposite or whorled leaves. 
> The vessels are present in the secondary wood and absence of resin canals.