Portulaca Yubi Primrose is a new variety of Portulaca oleracea. The assembly can include a check-valve chamber, an inlet port and an outlet port formed from at least one layer of liquid crystal polymer film to form a substrate. The compositions may comprise 85-100 wt % long-chain fatty acids, 0-15 wt % esters, wherein the fatty acid comprises between 15-60 wt % long chain di-acids and 40-85 wt % long chain mono-acids.