See Also: crassula(dictionary)

crassula (iou)



crassula noun. , -las. LME.
[medieval Latin, dim. of Latin crassus thick: see -ULE.]
Orig., any of certain kinds of stonecrop, esp. orpine, Sedum telephium. Now, any of numerous succulent herbaceous plants and shrubs constituting the related, chiefly southern African, genus Crassula, some of which are grown as house-plants. LME.
Botany. A thickening between the pits of gymnosperm tracheids, made up of primary wall and intercellular material. M20.