esculent

Rampion, ram′pi-on, n. a perennial plant with esculent root.

From Chambers's Twentieth Century Dictionary (part 3 of 4: N-R) by Various

The cultivation of gourds began far beyond the dawn of history, and the esculent species have become so modified by culture that the original plants from which they have descended can no longer be traced.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" by Various

Turnip, tur′nip, n. a biennial plant, with lyrate hispid leaves, the upper part of the root becoming, esp. in cultivation, swollen and fleshy—cultivated as a culinary esculent, and for feeding cattle and sheep.—n.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

The noxious Russulas have a bitter taste, and in appearance resemble closely the esculent ones, so care is required to discriminate them.

From The Century Cook Book by Mary Ronald

Many smaller gourds are cultivated in India and other hot climates, and some have been introduced into English gardens, rather for the beauty of their fruit and foliage than for their esculent qualities.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" by Various