Click on a term to go to the online illustrated glossary. Many terms include an image (click on “eye” icon) and a pronunciation guide (click on “speaker” icon). The linked word should appear at the top of the page unless it is at the end of a Glossary section (A-D, E-H, I-M, N-R, S-V, W-Z).
callus
canker
compartmentalization
cork
cork cambium
dioecious
gallery
haustorium (pl. haustoria)
heartwood
hypovirulence
lenticel
mutualism
mycorrhiza (pl. mycorrhizae)
phloem
rhizomorph
sapwood
secondary growth
secondary phloem
secondary xylem
sieve tube/sieve element
synnema (pl. synnemata)
tracheid
tylosis (pl. tyloses)
vascular cambium
vascular wilt disease
vessel
witches’ broom
wood
xylem