花梗亦称花柄。单生花的柄或花序中每朵花着生的小枝。它支持着花，使花位于一定的空间；同时又是茎和花相连的通道。 花柄的长短因植物种类而异，也有无花柄的花。花梗不分枝或分枝，分枝的花梗称为小梗。
A culture system was established to induce flower stalk buds of P. aphrodite. A serial of culture media was screened out, which were suitable for induction and proliferation of P. aphrodite PLBs from different explants.
建立了适宜蝴蝶兰花梗腋芽诱导的培养体系,筛选出了适宜不同外植体诱导原球茎产生和增殖的培养基。
参考来源 - 蝴蝶兰原球茎诱导及辐射对原球茎增殖和分化的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
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