1) Primrose 2) Primula 3) Primula polyantha 
• (n.) The oxlip. So called because the peduncle bears a many-flowered umbel. See Oxlip. (b) A bulbous flowering plant of the genus Narcissus (N. Tazetta, or N. polyanthus of some authors). See Illust. of Narcissus.
(from the article `primrose`) The fairy primrose (P. malacoides) and the Chinese primrose (P. sinensis) are generally grown in greenhouses. The polyanthus hybrids, probably ...
Pol`y·an'thus noun ; plural Polyanthuses . [ New Latin , from Greek ... rich in flowers; 
[n] - florists` primroses
polyanthus, polyanthous 1. Any of a group of hybrid garden primroses having clusters of variously colored flowers. 2. A hybrid primrose with bright flowers in a variety of colors.
Primula polyantha noun florists` primroses; considered a complex hybrid derived from oxlip, cowslip, and common primrose
Cultivated variety of primrose, with several flowers on one stalk, bred in a variety of colours. (Family Primulaceae, Primula × polyantha.)