English

Adjective

heterochlamydeous ‎(comparative more heterochlamydeous, superlative most heterochlamydeous)

1. (botany) Having a perianth in which the calyx and corolla are differentiated, usually by colour or texture
   • 1927 China Ling - Lingnan Science Journal

     Flowers single or in cymes, regular, usually unisexual, enclosed in a spathe, mostly with petals and sepals clearly differentiated (heterochlamydeous)....

References

• OED 2nd edition 1989