What is (a) The stalk or petiole of a frond, as of a fern. (b) The stalk of a pistil. (c) The trunk of a tree. (d) The stem of a fungus or mushroom called?

stipe — (a) The stalk or petiole of a frond, as of a fern. (b) The stalk of a pistil. (c) The trunk of a tree. (d) The stem of a fungus or mushroom. (Webster's 1913.)

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