ink of growing pine tree with some grass. sumi-e, u-sin, gohua painting style. silhouette made up of black brush

art nature isolated drawing illustration artwork tree black graphic ink plant forest line handmade traditional sumie usin draw artistic outdoor grass east asian landscape china japanese painting watercolor chinese oriental season background wood style garden branch beautiful countryside view environment seasonal pine paper natural leaf decoration shape doodle growing some sumi-e u-sin gohua silhouette made brush strokes white grass style