Botany. The main axis of an inflorescence; esp. (in grasses) the axis on which the spikelets are borne (cf. rachilla, n.).
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| 单词 | θ21712 |
| 释义 | the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > inflorescence or collective flower > [noun] > central column or axis (2) rachis1777 Botany. The main axis of an inflorescence; esp. (in grasses) the axis on which the spikelets are borne (cf. rachilla, n.). axis1786 Botany. The central column of the inflorescence or other whorl of growth. |
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