Phellogen is under the epidermis and cork, notice the thin, radially flattened row of cells directly underneath. Lenticular phellogen forms under the stoma and divides more rapidly, eventually causing the outward bulging of the epidermis and the formation of the lenticel. As this happens it merges with the cork cambium/phellogen, which of course divides more slowly and is involved in the formation of the cork… I think. I’m a hobbyist lol
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Phellogen is under the epidermis and cork, notice the thin, radially flattened row of cells directly underneath. Lenticular phellogen forms under the stoma and divides more rapidly, eventually causing the outward bulging of the epidermis and the formation of the lenticel. As this happens it merges with the cork cambium/phellogen, which of course divides more slowly and is involved in the formation of the cork… I think. I’m a hobbyist lol