The present invention also in the case of opening the clamp pieces of the stem housing portion, there is provided a plant stem retainer which can be operated easily with one hand without damaging the stems of the seedlings. Comprising A first clamping piece 2 which forms the stem housing portion 4 of the first hinge portion H1 which bind freely opened and closed and a second holding piece 3, in the vicinity of the base end portion of the one end a first clamping piece and a clamping piece connecting portion 5 has the other end connected by second hinge H2 is connected by a third hinge H3 near the proximal end of the second clamping piece, the first hinge portion includes a first and a second one clamping piece When the two clamping pieces are opened and closed, a straight line connecting the second hinge part and the third hinge part by a boundary, when fully open the stem housing part side, so is fully closed to move the clamping piece connecting portion It is formed, on the outer side of the first clamping piece and a second clamping piece and communicating a second hinge and a third hinge open knob 7,8 for opening the first clamping piece and a second clamping piece as a fulcrum each set to. The clamping piece coupling portion, a support portion piercing the soil may be provided integrally. .BACKGROUND【課題】茎収容部の挟持片を開く場合にも、苗の茎を傷めず片手で簡単に操作することのできる植物茎保持具を提供する。【解決手段】茎収容部4を形成する第1挟持片2と第2挟持片3とを開閉自在に結合する第1ヒンジ部H1を有し、一端が第1挟持片の基端部近傍に第2ヒンジ部H2により連結され他端が第2挟持片の基端部近傍に第3ヒンジ部H3により連結される挟持片連結部5を備え、第1ヒンジ部は、第1挟持片と第2挟持片が開閉するときに、第2ヒンジ部と第3ヒンジ部とを結ぶ直線を境にして、全開時は茎収容部側に、全閉時は挟持片連結部側に移動するように形成され、第1挟持片および第2挟持片の外側に、第2ヒンジ部および第3ヒンジ部をそれぞれ支点として第1挟持片および第2挟持片を開くための開放摘み7,8を連設する。挟持片連結部に、土中に突き刺す支柱部を一体的に設けてもよい。【選択図】図1
