Seed Coat Characteristic Features (IMAGE) University of New Hampshire Caption Characteristic features of the seedcoat of Portulaca oleracea , an annual succulent commonly known as verdolaga or purslane. A) Photograph of the P. oleracea flower, B) Photograph of the tiny black seeds from P.oleracea , C) SEM image of the P. oleracea seedcoat, D) a magnified area of the seedcoat of P.oleracea. Credit UNH Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.