plastid membrane
Any lipid bilayer that surrounds a plastid or is part of the plastid envelope. Primary plastids (in plants, green algae, red algae, and glaucophytes) are surrounded by two membranes; complex plastids derived from secondary endosymbiosis are surrounded by three or four membranes.
GO:0031090
organelle membrane
is_a
GO:0009526
plastid envelope
part_of