Main morphological characters of Chlorospatha silverstonei and C. minima. A, B, E C. silverstonei C, D, F, G C. minima A adult plant B abaxial blade surface C abaxial blade surface D adult plant E cataphyll and inflorescence in post anthesis, note spathe acuminate and longer than the spadix F Inflorescence in anthesis (right) and post-anthesis (left) G shoot, showing young infructescence with deciduous spathe blade and young inflorescence.