adventitious root nodule
Term Information
- Accession
- PO:0000040
- Aspect
- plant anatomy
- Synonyms
- related: stem primordium
- exact: nódulo de la raíz adventicia (Spanish)
- exact: 不定根根粒 (Japanese)
- Definition
- Enlargement or swelling at position of dormant adventitious root primordium (on the stem), inhabited by nitrogen-fixing bacteria. [source: TAIR:Katica_Ilic]
- Comment
- Unlike the root nodules, these contain functioning chloroplasts in the nodule cortex and are therefore capable of carbon fixation. Note: stem nodule is commonly used term for this structure, although the nodules are formed at positions of dormant adventitious root primordia.
Back to top