Of, pertaining to, or resembling a reed or cane(adjective)
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Use "arundinaceous" in a sentence
"The country within is very level, and appeared during the wet season to be occasionally inundated: the soil where we landed is a sour stiff clay on which grew an arundinaceous grass."
"In all other directions the eye wandered over a dreary, low, and uninterruptedly flat country; which in most parts is covered with an arundinaceous grass."
"Meadows, partly covered with arundinaceous plants, corn-fields, and European fruit trees, alternated with small thickets and groves."