perianth: meaning, definition, pronunciation and examples
C2Technical/Botanical
Quick answer
What does “perianth” mean?
The outer part of a flower, consisting of the calyx (sepals) and corolla (petals), especially when these are not clearly differentiated.
Audio
Pronunciation
Definition
Meaning and Definition
The outer part of a flower, consisting of the calyx (sepals) and corolla (petals), especially when these are not clearly differentiated.
A collective term for the sterile, non-reproductive floral parts that serve a protective and/or attractive function. In botany, it refers specifically to the floral envelope.
Dialectal Variation
British vs American Usage
Differences
No significant difference in technical meaning. The term is used identically in scientific contexts. Colloquially, the word is equally rare in both varieties.
Connotations
Purely technical, formal, and academic. Carries no regional cultural connotations.
Frequency
Extremely low frequency in general language; high frequency within specific botanical texts and advanced horticultural discourse.
Grammar
How to Use “perianth” in a Sentence
The [ADJ] perianth of the [PLANT] is [ADJ].Botanists study the structure of the perianth.The perianth consists of [NUMBER] segments.Vocabulary
Collocations
Examples
Examples of “perianth” in a Sentence
noun
British English
- The tulip's perianth is brightly coloured and acts as a visual lure for pollinators.
- In this species, the perianth is undifferentiated into separate sepals and petals.
American English
- The lily's showy perianth is a key feature for gardeners.
- The perianth of the magnolia is quite large and fragrant.
Usage
Meaning in Context
Business
Virtually never used.
Academic
Standard term in botany, plant morphology, and horticulture papers and textbooks.
Everyday
Extremely rare. An average speaker would say 'flower petals' or 'the coloured parts of the flower'.
Technical
Essential term for precise description of floral anatomy. Used in keys for plant identification.
Vocabulary
Synonyms of “perianth”
Strong
Neutral
Weak
Vocabulary
Antonyms of “perianth”
Watch out
Common Mistakes When Using “perianth”
- Mispronouncing as /ˈpɪəriənθ/ or /pɛriˈænθ/.
- Confusing it with 'petiole' (leaf stalk) or 'pedicel' (flower stalk).
- Using it in non-botanical contexts.
FAQ
Frequently Asked Questions
No, it is a highly specialized botanical term. It is almost never used in everyday conversation.
'Petals' refer specifically to the often colourful inner whorl. 'Perianth' is a broader term encompassing both the outer whorl of sepals (usually green) and the inner whorl of petals, especially when they look similar.
Only in very advanced or technical gardening discussions, e.g., among botanists or serious plant breeders. Most gardeners simply refer to 'petals' and 'sepals'.
It derives from French 'périanthe', from modern Latin 'perianthium', and ultimately from Greek 'peri-' (around) + 'anthos' (flower).
The outer part of a flower, consisting of the calyx (sepals) and corolla (petals), especially when these are not clearly differentiated.
Perianth is usually technical/botanical in register.
Perianth: in British English it is pronounced /ˈpɛrɪˌanθ/, and in American English it is pronounced /ˈpɛriˌænθ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None”
Learning
Memory Aids
Mnemonic
Think: 'PERI' (around) + 'ANTH' (flower) = the parts AROUND the FLOWER's reproductive centre.
Conceptual Metaphor
A PROTECTIVE ENVELOPE or WRAPPING for the delicate reproductive parts of the plant.
Practice
Quiz
In which of the following contexts is the word 'perianth' MOST appropriately used?