perianth; floral envelope
Botanical term for the collective outer parts of a flower (sepals and petals). Used in scientific or educational contexts.
花被は萼と花冠からなる。
The perianth consists of the calyx and the corolla.
achlamydeous flower; naked flower
From 花 (flower) + 被 (cover). The exact historical derivation is uncertain; the spelling is conventionally associated with the botanical meaning.