Portulacaceae - family of usually succulent herbs; cosmopolitan in distribution especially in AmericasCalandrinia, genus Calandrinia - large genus of low-growing herbs; widespread throughout tropical and warm temperate regions having usually basal leaves and panicles of purplish ephemeral flowers Claytonia, genus Claytonia - genus of mainly North American succulent herbs with white or pink flowers usually in terminal racemes genus Lewisia, Lewisia - genus of western North American low-growing herbs having linear woolly leaves and large pink flowers genus Montia, Montia - small genus of densely tufted annual herbs; north temperate regions and South America and tropical Africa and Asia genus Spraguea, Spraguea - small genus of usually perennial herbs having deep woody taproots and flower heads of umbels or cymes |