PO:0000022 plant cuticle A portion of plant substance (PO:0025161) composed of cutin (PO:0025385), a polyester matrix of hydroxy- and hydroxy epoxy fatty acids C16 and C18 chains, embedded and overlayed with cuticular wax (PO:0025386) and forming a layer on the surface of a plant epidermis (PO:0005679). PMID 17138699 MADS18 GR_gene 0080025 PMID 17323080 WS-DGAT SGN_gene 4614 PMID 25774204 ALE1 TAIR At1g62340 PMID 25774204 DSO4 TAIR At1g17840 PMID 25774204 CD2 SGN_gene 8308 PMID 25774204 cwp1 SGN_gene 4495 PO:0025386 cuticular wax A portion of plant substance (PO:0025161) comprised predominantly of very long chain aliphatic lipids and is part of a plant cuticle (PO:0000022). PMID 25774204 LTPG TAIR At1g27950 PMID 25774204 MAH1 TAIR At1g57750 PMID 21423772 gl15 MaizeGDB 12247 PMID 21423772 gl1 MaizeGDB 12242 PMID 21423772 gl2 MaizeGDB 12252 PMID 21423772 gl8 MaizeGDB 12263 PO:0025388 epicuticular wax A portion of cuticular wax (PO:0025386) that forms crystalloids or a smooth film on the exterior of a plant cuticle (PO:0000022). PMID 17138699 WDA1 GR_gene 0080022