corolla

Từ điển WordNet v3.1 - WordNet Dictionary

noun

(botany) the whorl of petals of a flower that collectively form an inner floral envelope or layer of the perianth
- we cultivate the flower for its corolla
• Topics:
botany, phytology
• Hypernyms:
coil, whorl, roll, curl, curlicue,
ringlet, gyre, scroll
• Part Holonyms:
perianth, chlamys, floral envelope, perigone, perigonium
• Part Meronyms:
petal, flower petal, corona