Does Laelia or Aster have more species?
Laelia Laelia is a small genus of 25 species in the orchid family (Orchidaceae). "Laelia" species are found in areas of subtropical or temperate climate in Central and South America, but mostly in Mexico. "Laelia" is abbreviated L. in the horticultural trade.
Lathraea Lathraea (toothwort) is a small genus of five to seven species of flowering plants, native to temperate Europe and Asia. They are parasitic plants on the roots of other plants, and are completely lacking chlorophyll. They are classified in the family Orobanchaceae.