virginian stock: erect branching herb cultivated for its loose racemes of fragrant white or pink or red or lilac flowers; native to sands and sea cliffs of southwestern Greece and southern Albania
flower: a plant cultivated for its blooms or blossoms
cyanophyta: prokaryotic organisms sometimes considered a class or phylum or subkingdom; coextensive with the Cyanophyceae: cyanobacteria (blue-green algae)