单词 | tripinnate |
释义 | tripinnate (once / 844237 pages) adj WORD FAMILY tripinnate USAGE EXAMPLESPinna, a primary division with its leaflets of a bipinnate or tripinnate leaf. Gray, Asa, The Elements of Botany—For Beginner...(2010) When a frond is tripínnate the last complete divisions are called ultimate pinnules or segments. Tilton, George Henry, The Fern Lover's Companion—A Guide...(2010) From a systematic point of view these leaves indicate the origin of the water-parsnips from ordinary umbellifers, which generally have bi- and tripinnate leaves. Vries, Hugo de, Species and Varieties, Their Origin...(2010) adj (of a leaf shape) thrice pinnate Syn tripinnated compound composed of more than one part |
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