Plerandra (Dizygotheca) elegantissima 'False Aralia'False Aralia, Spider Aralia, Threadleaf aralia: Long, narrow, dark green leaves with saw tooth edges are coppery colored at first, but as they mature they turn dark green, appearing almost black on some plants. Bright light causes dark, blackish green color on mature leaves. False aralia is usually purchased as a tabletop plant, but with proper care, it can grow 5 6' tall over a period of several years.