Also found in: Thesaurus, Medical, Encyclopedia.


n. pl. ca·lyc·u·li (-lī′)
1. Biology A small cup-shaped structure.
2. Botany A group of small bracts that resembles a calyx.

[Latin, diminutive of calyx, calyc-, calyx; see calyx.]

ca·lyc′u·lar adj.
ca·lyc′u·late (-lĭt, lāt′) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.calyculus - a group of bracts simulating a calyx as in a carnation or hibiscuscalyculus - a group of bracts simulating a calyx as in a carnation or hibiscus
bract - a modified leaf or leaflike part just below and protecting an inflorescence
2.calyculus - a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp)
optic cup, eyecup - (embryology) a two-walled cuplike depression that develops into the pigmented and sensory layers of the retina
anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical part of a living thing; "he has good bone structure"
References in periodicals archive ?
Mexico Afinidad # de Biogeografica Catalogo DIVISION CHLOROPHYTA CLASE ULVOPHYCEAE ORDEN ULVALES Familia Ulvaceae Enteromorpha intestinalis (Linnaeus) Link Cosmopolita 2130 Ulva lactuca Linnaeus Cosmopolita 2131 ORDEN CLADOPHORALES Familia Cladophoraceae Chaetomorpha linum (Muller) Kutzing Templado 2132 Cladophora columbiana Collins Templado 2133 Cladophora microcladioides Collins Templado 2134 ORDEN SIPHONOCLADALES Familia Siphonocladaceae Dictyosphaeria cavernosa (Forsskal) Borgesen Tropical 2135 ORDEN DASYCLADALES Familia Dasycladaceae Acetabularia calyculus Quoy & Gainard Tropical 2136 Neomeris annulata Dickie Tropical 2137 ORDEN CAULERPALES Familia Caulerpaceae Caulerpa racemosa (Forsskal) J.
The new taxa is native to the east flank of the eastern range of the Colombian Andes and is characterized by: oblanceolate, glabrescent and attenuate leaves; calyculus with double number of bracts; and ligulate flowers with staminodia and without papillae.