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perianth
perianth
1.. Of a flower, the outer covering, composed of the floral leaves, usually an outer greenish calyx, and an inner, brightly coloured corolla.
2.. Of a liverwort, a tube-like or purse-like sheath which surrounds the archegonium.
1.. Of a flower, the outer covering, composed of the floral leaves, usually an outer greenish calyx, and an inner, brightly coloured corolla.
2.. Of a liverwort, a tube-like or purse-like sheath which surrounds the archegonium.
A Dictionary of Plant Sciences
MICHAEL ALLABY
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perianth
perianth The part of a flower situated outside the stamens and carpels. In dicotyledons it consists of two distinct whorls, the outer of sepals (see calyx) and the inner of petals (see corolla). In monocotyledons the two whorls are similar and often brightly coloured. In wind-pollinated flowers both whorls may be reduced or absent. In many horticultural varieties the number of perianth parts is multiplied, but the resulting `double' flowers are often sterile.
A Dictionary of Biology
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perianth
per·i·anth / ˈperēˌan[unvoicedth]/ • n. Bot. the outer part of a flower, consisting of the calyx (sepals) and corolla (petals).
The Oxford Pocket Dictionary of Current English
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perianth
perianth (bot.) †calyx, involucre XVIII; outer part of a flower XIX. — F. périanthe — modL. perianthium, f. Gr. PERI- + ánthos flower.
The Concise Oxford Dictionary of English Etymology
T. F. HOAD
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perianth
perianth Outer region of a flower. The perianth includes all the structures surrounding the reproductive organs and usually consists of an outer whorl of sepals (calyx) and an inner whorl of petals (corolla).
World Encyclopedia
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