crassula

noun
cras·su·la | \ ˈkras(y)ələ \

Definition of crassula 

1 capitalized : a genus of chiefly South African succulent herbs (family Crassulaceae) having opposite leaves and flowers with petals separate or connate only at the base

2 plural crassulae\-ˌlē, -ˌlī\ also crassulas : a plant of the genus Crassula

3 plural crassulae : a thickening of the middle lamella and primary wall between or around bordered pits or pit fields especially prominent on the radial walls of tracheids in gymnosperm wood

called also bar of Sanio, rim of Sanio, Sanio's beam

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History and Etymology for crassula

New Latin, from Medieval Latin, stonecrop, orpine, from Latin crassus + -ula (diminutive suffix)

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