spininess
/ˈspaɪnɪnɪs/.[uncountable] the quality or state of being covered with or having spines多刺的性质或状态
noun [专属名词] 尖刺状;多针
The outer wall of epidermal cells with spininess becomes slightly thick at mature pollen stage. 表皮细胞外壁在花粉成熟时期略有增厚,且具小刺状突起。