单词 | tetrachaenium |
释义 | > as lemmastetrachaenium tetrachaenium n. Brit. , U.S. (pl. tetrachænia) Botany, pl. a fruit formed of four adherent achenes. [ < scientific Latin tetrachaenium (1847 or earlier), tetrachenium (1831 or earlier), tetrakenium (1824 or earlier) < tetra- tetra- comb. form + akenium achenium n.; compare French tétrakène (1822 or earlier), German Tetrakene (1828 or earlier).] ΘΚΠ the world > plants > part of plant > reproductive part(s) > fruit or reproductive product > [noun] > indehiscent fruit or achene key1440 samara1577 achenium1819 achene1825 caryopsis1830 key fruit1849 tetrachaenium1856 cremocarp1861 Cypsela1861 achaenocarp1874 triachaenium1882 pseudospermium1890 1856 J. S. Henslow Dict. Bot. Tetrachænium.., a fruit formed by the separating of a single ovary into four nuts; as in the Labiatæ. < as lemmas |
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