Non-descript

On the top of it we gathered ſeveral ſpecies of heath, ſome wild celery, a few ſhrubs, and ſome non-deſcript plants; […]

Source: wiktionary

THE curiosity of the scientific world has for a long time been justly excited by the fossil remains of a non-descript animal, which have been found in North America and Siberia, but generally in so mutilated a condition as to give but very imperfect ideas either of the size or kind of animal to which they must have belonged.

Source: wiktionary

[…] the pedestal, which is an irregular octagon, is ornamented with four non-descript animals, scaled over their breasts; […]

Source: wiktionary

We drank, talked, and eventually we enjoyed some quite non-descript food.

Source: wiktionary