Definify.com

Webster 1913 Edition

Noun.

A plant growing on another, as the mistletoe; an epiphyte.

[Obs.]

Bacon.

Noun.

[super and plant.] A plant growing on another plant; as the mistletoe. [Not used.] [We now use parasite.]

superplant ‎(plural superplants)

(obsolete) A plant growing on another, such as the mistletoe; an epiphyte.
(Can we find and add a quotation of Bacon to this entry?)