Does Laelia or Aster have more species?
Aster (genus) Aster is a genus of flowering plants in the family Asteraceae. Its circumscription has been narrowed, and it now encompasses around 180 species, all but one of which are restricted to Eurasia; many species formerly in "Aster" are now in other genera of the tribe Astereae.
× Sophrolaeliocattleya × "Sophrolaeliocattleya" (from "Sophronitis", "Laelia" and "Cattleya", its parent genera) is a nothogenus of artificial intergeneric orchid hybrids. It is abbreviated as Slc. in the horticultural trade.