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| Titel: |
Taxonomic Study of the Genus <i>Launaea</i> L. from Pakistan |
| Auteur: |
Sohail Jamil Qureshi Abdul Ghani Awan Mir Ajab Khan Sofia Bano |
| Verschenen in: |
Journal of biological sciences |
| Paginering: | Jaargang 2 (2002) nr. 5 pagina's 315-319 |
| Jaar: |
2002 |
| Inhoud: |
The genus <i>Launaea</i> L. belongs to the tribe Lactuceae in family Asteraceae/Compositae whose taxonomic study has been carried out from Pakistan. The genus <i>Launaea</i> belongs to the tribe Lactuceae of Asteraceae. In this genus eight species were considered for morphological study i.e. <i>Launaea intybacea, L. aspelinifolia, L. capitata, L. procumbens, L. microcephala, L. spinosa, L.</i> <i>massauensis </i>and <i>L. residifolia. </i>Material for taxonomic studies was obtained from naturally occurring population and from herbarium of Quaid-i-Azam University (ISL). In <i>Launaea asplinifolia</i> the achenes are elliptical, + 5-ribs are present on each face and neck absent. In <i>L. capitata</i> the leaves are mostly basal while <i>L. intybacea</i> leaves ½ amplexicaul, auriculate, auricles rounded with long fine points. <i>Launaea microcephala </i>differs from <i>Launaea procumbens</i> in being annual, sparsely pubescent to villous herb and in possessing terminal heads on the dichotomously branched flowering stem, involucral bracts many-seriate, and the achenes are of one type. |
| Uitgever: |
Asian Network for Scientific Information, Pakistan (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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