1) Chiefly old world herbs 2) Dicot genus 3) Genus anagallis 4) Magnoliopsid genus 
Anagallis is a genus of about 20–25 species of flowering plants in the family Myrsinaceae, commonly called pimpernel and perhaps best known for the scarlet pimpernel referred to in literature. The botanical name is from the Greek, ana, `again`, and agallein, `to delight in`, and refers to the opening and closing of the flowers in response to...
[n] - chiefly Old World herbs
genus Anagallis noun chiefly Old World herbs