stem solitary, rigid, branching from the middle, solid, acute-ridged, deeply fluted, nodes puberulent or glabrous.

  • 茎单生,硬质,中间分枝,实心,锐尖使成脊状,深深具沟,节被微柔毛或无毛。

  • 互联网摘选 2026-07-14 03:12:07

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