Ipomoea plummerae var. plummerae is a pinkish purple morning glory with corollas 2-3 cm in diameter at the top. The foliage is pedately divided-- into finger like segments. The foliage resembles that of Ipomoea costellata, but the flowers are much larger and deeper in color. In addition, the sepals of Ipomoea capillacea have conspicous excrescences on them. Ipomoea plummerae var. plummerae is twining when mature, but may appear upright and be confused with Ipomoea capillacea when still immature. Ipomoea plummerae var. plummerae has a nearly globose bulb while Ipomoea capillacea has an elongate bulb.