subject | relation | object |
---|---|---|
phloem | is_a | portion of vascular tissue (PO:0009015) |
subject | relation | object |
---|---|---|
sieve element (PO:0025406) | BFO:0000050 | phloem |
primary phloem (PO:0006075) | is_a | phloem |
phloem fiber cell (PO:0004519) | BFO:0000050 | phloem |
companion cell (PO:0000071) | BFO:0000050 | phloem |
albuminous cell (PO:0025412) | BFO:0000050 | phloem |
sieve tube (PO:0025416) | is_a | phloem |
secondary phloem (PO:0005043) | is_a | phloem |
phloem development stage (PO:0025426) | RO:0000057 | phloem |