| 单词 | parastichy |
| 释义 | parastichy /pi ras"ti kee/, n. , pl. parastichies. Bot. one of a number of seemingly secondary spirals or oblique ranks winding around the stem or axis to the right and left in a spiral arrangement of leaves, scales, etc., where the internodes are short and the members closely crowded, as in the houseleek and the pine cone. [1870-75; PARA-1 + STICH1 + -Y3] |
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