noun. collective term for the outer parts of a flower consisting of the calyx and corolla and enclosing the stamens and pistils.
- natural covering
- floral envelope
- plant organ
- -anth (English)
- ἄνθος (Ancient Greek (to 1453))
- peri- (English)
- περί (Ancient Greek (to 1453))
Example sentences of the word perianth
1. Noun, singular or mass
The study concluded that the key to developing a true blue tulip lay in the amount of ferric ions the bulb distributes to the perianth.
The nodding flower has anthers about 1/2 inch long, and its yellow-spotted perianth segments curve in the middle.