late 16th cent. (denoting a mark made by pricking or branding): via Latin from Greek stigmaa mark made by a pointed instrument, a dot; related to stick
styles geniculate at base , gradually thickened upward , often sparsely papillose , apically curved downward forming a hooked beak a smaller stigma hole at tip of beak .花柱膝曲的在基部,向上逐漸加厚,通常稀疏具乳頭,先端向下彎曲形成一鉤狀的喙,在喙先端具小的柱頭孔。