P3R1O1T1O1P3H4L1O1E1M3
20 points
PROTOPHLOEM is validvalid
[n PROTOPHLOEMS]
the first-formed phloem that develops from procambium, usually associated with a region of rapid growth [n -S]
[n PROTOPHLOEMS]
the first-formed phloem that develops from procambium, usually associated with a region of rapid growth [n -S]