Botany. The point of attachment of a seed to its seed-vessel; the scar on the ripe seed.
单词 | θ22106 |
释义 | the world > plants > part of plant > reproductive part(s) > seed > [noun] > parts of > hilum or cicatrix (9) hilum1753 Botany. The point of attachment of a seed to its seed-vessel; the scar on the ripe seed. cicatrix1826 Botany. The scar left by the fall of a leaf, frond, etc.; the hilum of seeds. cicatricula1828 Botany. Applied to the hilum of grains and to the mark of attachment of leaves to branches. caruncle1830 Botany. ‘An excrescence at or about the hilum of certain seeds’ (Gray). omphalodium1832 Botany. A protrusion in the centre of the hilum of a seed through which nutrient vessels pass. strophiole1839 An excrescence or tubercle surrounding the hilum of certain seeds. omphalode1850 = omphalodium, n. nucleus1861 Botany. The hilum of a starch-granule. Now rare. wound stump1923 = cicatrix, n. 2. |
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