habenaria: chiefly terrestrial orchids with tubers or fleshy roots often having long slender spurs and petals and lip lobes; includes species formerly placed in genus Gymnadeniopsis
group: any number of entities (members) considered as a unit
electronic mail: (computer science) a system of world-wide electronic communication in which a computer user can compose a message at one terminal that can be regenerated at the recipient's terminal when the recipient logs in