Assertion: angiosperm's structure | /r/HasProperty | keating
Facets:
Source sentences:
text: Additional synapomorphies may include an irregular "first-rank" leaf venation (Hickey and Wolf, 1975; Doyle and Endress, 2000), features of stelar and nodal structure (Keating, 2000), and vascularization of the seeds (Deroin, 2000).