nectaries

The extrafloral nectaries derived from the 4~5 layers initial cells of involucre lobes.

虎刺花外蜜腺起源于总苞裂片顶端表面的4～5层原始细胞.

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The floral nectaries Trifolium repens L . are located on the base of filaments.

白车轴草花蜜腺位于雄蕊花丝的基部,属雄蕊蜜腺.

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