Biosystematics of the Monocotyledoneae-Flavonoid Patterns in Leaves of the Liliaceae (Record no. 51763)

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control field 20250625160214.0
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Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-17600
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Title Biosystematics of the Monocotyledoneae-Flavonoid Patterns in Leaves of the Liliaceae
490 0# - SERIES STATEMENT
Volume/sequential designation BioChemical Systematics and Ecology, 3, p.229-244, 1975
520 3# - SUMMARY, ETC.
Summary, etc. In a leaf survey of 168 species of the Liliaceae, most of the major flavonoid classes were found to be represented in the family. Flavonols occurred most frequently: quercetin and kaempferol were detected in 40 percent and 42 percent of the sample respectively, while the flavones luteolin and apigenin were present in only 24 percent and 20 percent of the sample. Methylated derivatives, i.e. isorhamnetin, diosmetin and tricin were rare. Procyanidins were present in 17 species, flavonoid sulphates in only one species and flavone C-glycosides in only three species. Anthraquinone pigments were identified in species of Aloe, Asphodeline and Asphodelus. Three new flavonoid glycosides were characterised during the course of the survey: diosmetin 7-diglucoside in Colchicurn byzanthinum and tricin 7-fructosylglucoside and tricin 7-rutinoside-4'-glucoside in Hyacinthus orientalis cv. 'Queen of the Pinks'. On the basis of the flavonoid survey, the subfamilies of the Liliaceae may be grouped into those containing flavonols only, those with flavones only or those having both flavonols and flavones. Members of the related families: Amaryllidaceae (17 species), Agavaceae (1 species)and Xanthorrhoeaceae (1 species)contained only flavonols. The subfamilies Scilloideae, Asphodeloideae and Melanthioideae show the most chemical variation whilst the Wurmbaeoideae and Lilioideae are the most homogeneous groups. The tribe Scilleae is unusual in that both flavone and flavonol-containing genera occur and a wide variety of flavonoid types are represented. A comparison of the leaf flavonoids of the Liliaceae with those found in families related to the grasses showed that all except two classes of flavonoid compound (5-methylated flavones and 5-deoxyflavonoids)found in the Juncaceae, Cyperaceae, Palmae and Gramineae are present in the Liliaceae thus supporting the view that all four families could have arisen from Liliaceae-like ancestors.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element LILIACEAE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element ANGIOSPERMAS
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element MONOCOTYLEDONEAE
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Williams, Christine A.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1z9NPQff39h8etXNpw_wYU-IoYTOE75RF/view?usp=drivesdk">https://drive.google.com/file/d/1z9NPQff39h8etXNpw_wYU-IoYTOE75RF/view?usp=drivesdk</a>
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-17600 25.06.2025 25.06.2025 Documentos solicitados