The nectaries were composed of epidermis, nectariferous tissue and vascular bundle which only consisted of phome.
英
美
- 蜜腺由分泌表皮、产蜜组织和仅含韧皮部的维管束组成。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries