Portulaca molokiniensis: A Rare, Endemic Hawaiian Succulent Shrub

Portulaca molokiniensis, known locally as 'ihi, is a critically endangered succulent shrub endemic to the tiny islet of Molokini off Maui. It forms a small, branching shrub with thick, cylindrical, gray-green leaves clustered at branch tips. Yellow flowers appear in summer. Its rarity and unique habit make it a prized conservation subject and a conversation piece for specialist collectors.

Taxonomic Profile

Conservation and Culture

Full sun, extremely well-drained, sandy soil. Very drought-tolerant. Frost tender; protect below 50°F (10°C). Cultivated plants help preserve genetic diversity. Propagate from cuttings or seeds. Not for casual gardening—requires commitment to conservation ethics.