Divided so that segments resemble the two lips when the mouth is more or less open; bilabiate.(adjective)
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Use "two-lipped" in a sentence
"These plants, which are mostly natives of mild climates of the old world, are characterized by having square stems; opposite, simple leaves and branches; and more or less two-lipped flowers which appear in the axils of the leaves, occasionally alone, but usually several together, forming little whorls, which often compose loose or compact spikes or racemes."
"Sporangia clustered around the slender bristle, which is the prolongation of a vein, and surrounded by a vase-like, slightly two-lipped involucre."
"From the flower often being two-lipped (see Fig. 120), the name of the order (_Labiatifloræ_) is derived."