Young Leaf of Codon royenii (Codonaceae) (image) University of Bonn Share Print E-Mail Caption With already strongly mineralized trichomes (red) facing in different directions like „teeth". Credit © Adeel Mustafa/Uni Bonn Usage Restrictions This photo may be used with the press release. Share Print E-Mail 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.