phloem
noun
phlo·em ˈflō-ˌem 
: a complex tissue in the vascular system of higher plants that consists mainly of sieve tubes and elongated parenchyma cells usually with fibers and that functions in translocation and in support and storage compare xylem
Example Sentences
Recent Examples on the Web Trees that have been completely girdled all the way around, (360 degrees), will have a difficult time recovering since the voles likely chewed through the phloem and cambium. 
oregonlive, 10 Sep. 2022 The beetles burrow into the pines’ bark and lay eggs in living tissues, which the larvae eat through, creating galleries in the trees’ phloem and cambium, eventually disrupting the transport of water and nutrients from the roots to branches. Brian Maffly, The Salt Lake Tribune, 29 July 2022 Then their offspring — spruce beetle larvae — feed on the tree’s phloem tissue, the sometimes green, sappy layer just below that bark. Morgan Krakow, Anchorage Daily News, 25 July 2022 In the flytrap, the phloem—the tissue that transports nutrients through a plant—contains ion channels through which charged particles can flow. Joanna Thompson, Scientific American, 1 Mar. 2022 The fungi thrive in those channels and the phloem and wood around it. Star Tribune, 10 Mar. 2021 Larvae hatch from eggs and chew side galleries, feeding on the phloem and the fungi. Hillary Rosner, National Geographic, 1 Oct. 2020 The galleries block nutrient flow in the tree’s phloem layer. Hillary Rosner, National Geographic, 1 Oct. 2020 Just inside the bark is a cylinder of tissue known as the phloem. Neil Sperry, ExpressNews.com, 16 Apr. 2020 See More
oregonlive, 10 Sep. 2022 The beetles burrow into the pines’ bark and lay eggs in living tissues, which the larvae eat through, creating galleries in the trees’ phloem and cambium, eventually disrupting the transport of water and nutrients from the roots to branches. Brian Maffly, The Salt Lake Tribune, 29 July 2022 Then their offspring — spruce beetle larvae — feed on the tree’s phloem tissue, the sometimes green, sappy layer just below that bark. Morgan Krakow, Anchorage Daily News, 25 July 2022 In the flytrap, the phloem—the tissue that transports nutrients through a plant—contains ion channels through which charged particles can flow. Joanna Thompson, Scientific American, 1 Mar. 2022 The fungi thrive in those channels and the phloem and wood around it. Star Tribune, 10 Mar. 2021 Larvae hatch from eggs and chew side galleries, feeding on the phloem and the fungi. Hillary Rosner, National Geographic, 1 Oct. 2020 The galleries block nutrient flow in the tree’s phloem layer. Hillary Rosner, National Geographic, 1 Oct. 2020 Just inside the bark is a cylinder of tissue known as the phloem. Neil Sperry, ExpressNews.com, 16 Apr. 2020 See More Word History
Etymology
German, from Greek phloios, phloos bark; perhaps akin to Greek phlein to teem, abound, phlyein, phlyzein to boil over — more at fluid
First Known Use
1872, in the meaning defined above