與羅馬式及早期哥德式柱頭具有特殊聯繫的紋飾，由寬闊光滑的葉片（通常有4片）形狀所組成，除了一條中央褶紋之外，並無稜紋，葉片褶紋向上和外彎曲，直至與方形或八角形柱冠接合，尖端才轉為蜷曲。水葉的蜷曲尖端可能小且平滑，或者大而呈球根狀；通常向內朝柱冠蜷曲，但偶爾也可能朝外翻。後發展為科林斯柱式的華麗詮釋；該名稱用指眾人認為與此紋飾相似的葉片形式，包括：水葉科植物、百合葉，和對開蕨。

水葉(植物紋飾)　(P,,U,繁體中文-偏好,D,U,U)
水跡葉(,U,繁體中文-非偏好,UF,U,U)
water leaf(motif)　(P,,U,英文-偏好,D,U,U)
waterleaf(motif)　(,U,英文-非偏好,UF,U,U)
water-leaf(motifs)　(,U,英文-非偏好,UF,U,U)
lily leaf(motif)　(,U,英文-非偏好,UF,U,U)
hart's-tongue(motif)　(,U,英文-非偏好,UF,U,U)
waterbladmotief(P,,U,荷蘭語-偏好,D,U,U)
waterblad(motiev)　(,U,荷蘭語-非偏好,UF,U,U)
hoja acuática(motivo)　(P,,U,西班牙語-偏好,D,U,U)

藝術與建築詞典根目錄
....物理特質層面
........設計元素 (層級名)
............設計元素 (特質)
................母題
....................<植物紋飾>
........................水葉 (植物紋飾)

derived from....	對開蕨(種)
derived from....	百合屬(屬)
derived from....	田基麻科(科)

英文....	Motif particularly associated with a style of Romanesque and Early Gothic capital that is formed of broad, smooth leaf-shapes (typically four in number), unribbed except for a central fold, which curve upward and outward before curling over at the tips where they meet the square or octagonal abacus. The curled tip of the waterleaf may be small and neat or large and bulbous; it usually curves inward towards the abacus, but may occasionally turn outwards. Developed as a fanciful interpretation of the Corinthian order; the names refer to various types of leaves that the motif was thought to resemble: waterleaf plant, lily leaf, and hart's tongue fern.
荷蘭語....	Verscheidene bladachtige vormen, meestal zonder ribbels en kartels, gebruikt als decoratieve motieven vooral op laat twaalfde-eeuwse kapitelen.
西班牙語....	Diversas formas semejantes a hojas, normalmente sin estrías y sin espinas, usados como motivos decorativos, especialmente comunes en los capiteles de fines del siglo XII.

water leaf(motif)............	[VP]
.................	Harris, Historic Architecture Sourcebook (1977)
.................	Oxford Companion to the Decorative Arts (1975) illustration
.................	Sturgis, Dictionary of Architecture and Building (1902)
waterleaf(motif)............	[VP]
.................	Lewis and Darley, Dictionary of Ornament (1986) illustration; waterleaf
.................	Getty Vocabulary Program rules
water-leaf(motifs)............	[VP]
.................	Fleming and Honour, Dictionary of the Decorative Arts (1977)
.................	Fleming et al., Penguin Dictionary of Architecture (1981)
.................	Curl, Encyclopedia of Architectural Terms (1993)
lily leaf(motif)............	[VP]
.................	Lewis and Darley, Dictionary of Ornament (1986)
hart's-tongue(motif)............	[VP]
.................	Lewis and Darley, Dictionary of Ornament (1986)
waterbladmotief............	[VP]
.................	AAT-Ned (1994-)
waterblad(motiev)............	[VP]
.................	AAT-Ned (1994-)
hoja acuática(motivo)............	[VP]
.................	Meyer, Manual de Ornamentación (2004)
.................	Monje Ayala, El Arte de la Encuadernación (2000)
Subject:............	[Bureau AAT]
.................	Bureau AAT, RKD
.................	Van Dale hedendaags Nederlands (1994)

Getty AAT: 300165019 Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300165019
聯合目錄： 水葉 、水跡葉 、water leaf 、waterleaf 、water-leaf 、lily leaf 、hart's-tongue 、waterbladmotief 、waterblad 、hoja acuática