Results 11 to 20 of about 694 (177)

Monocotyledon fossil leaf from the Early Cretaceous of India

open access: yesActa Botânica Brasílica, 2022
Reports of the angiosperm macrofossils from the Early Cretaceous sediments of India are relatively poor, with only one report from the Krishna-Godavari Basin.
Chinnappa Chopparapu   +3 more
doaj   +1 more source

Biomassa de Egeria densa nos reservatórios da hidroelétrica de Paulo Afonso-Bahia Egeria densa biomass in the Paulo Afonso-Bahia hydroelectric plant

open access: yesPlanta Daninha, 2008
Com o objetivo de conhecer a produção de biomassa de Egeria densa, foi monitorado o crescimento de 50 ápices de diferentes plantas, em três reservatórios situados na cidade de Paulo Afonso-BA. Os ápices inicialmente medidos receberam uma marcação e foram
P.R.F. Nascimento   +2 more
doaj   +1 more source

Addition to the summary “Flora of the Lower Volga Region” of the class of Liliopsida Typhaceae – Hydrocharitaceae (according to the Engler system) based on the materials of the herbarium of the SARAT State University [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Серия Химия. Биология. Экология
The article presents the results of a comparative analysis of the distribution of plant species belonging to the families Typhaceae, Potamogetonaceae, Ruppiaceae, Juncaginaceae, Alismataceae, Butomaceae, Hydrocharitaceae in the Lower Volga region based ...
Boldyrev, Vladimir Alexandrovich   +2 more
doaj   +1 more source

Generic phylogeny, historical biogeography and character evolution of the cosmopolitan aquatic plant family Hydrocharitaceae

open access: yesBMC Evolutionary Biology, 2012
Background Hydrocharitaceae is a fully aquatic monocot family, consists of 18 genera with approximately 120 species. The family includes both fresh and marine aquatics and exhibits great diversity in form and habit including annual and perennial life ...
Chen Ling-Yun   +3 more
doaj   +1 more source

Ottelia fengshanensis, a new bisexual species of Ottelia (Hydrocharitaceae) from southwestern China [PDF]

open access: yesPhytoKeys, 2019
Ottelia fengshanensis, a new species (Hydrocharitaceae) from southwest China is here described and illustrated. Comparing its morphological features to putative close relatives O. guanyangensis, it has 3–4 flowers (vs.
Zhi-Zhong Li   +7 more
doaj   +3 more sources

Phylogenetic phytogeography of selected groups of seagrasses (Monocotylendoneae - Alismatales) based on analysing of genes 5.8S rRNA and RuBisCo large subunit

open access: yesGeography, Environment, Sustainability, 2022
Seagrasses are representatives of the families Cymodoceaceae, Posidoniaceae, Zosteraceae, Hydrocharitaceae (Monocotylendoneae - Alismatales), adapted to growing in seawaters and all their important life circle events are taking place under the water ...
Anton A. Iurmanov
doaj   +1 more source

Angiosperm flora from wetlands of Kanyakumari district, Tamilnadu, India [PDF]

open access: yesCheck List, 2011
Qualitative floristic surveys were carried out during 2007-2009 in the wetland ecosystem of Kanyakumari district, Tamilnadu, India. During the survey, 124 species of angiosperms belonging to 31 families and 81 genera were documented.
Selvamony Sukumaran, Solomon Jeeva
doaj   +3 more sources

First record of Egeria densa Planch. (Hydrocharitaceae) for the aquatic Flora of Egypt [PDF]

open access: yesTaeckholmia, 2020
Egeria densa Planch. is reported for the first time for the aquatic flora of Egypt. This species is a South American aquatic plant species considered highly invasive outside of its original range.
Hasnaa Hosni, Eman Shamso
doaj   +1 more source

Characterization of the complete chloroplast genome of an endangered aquatic macrophyte, Ottelia cordata (Hydrocharitaceae)

open access: yesMitochondrial DNA. Part B. Resources, 2019
Ottelia cordata (Wallich) Dandy (Hydrocharitaceae) is an endangered aquatic macrophyte. The complete chloroplast genome sequence of O. cordata was generated by de novo assembly using whole genome next-generation sequencing.
Hai-Xia Wang   +4 more
doaj   +1 more source

Diferenciação entre Egeria densa e Egeria najas pelos caracteres anatômicos foliares Differentiation between Egeria densa and Egeria najas by leaf anatomic characters

open access: yesPlanta Daninha, 2006
Dentre as plantas daninhas aquáticas imersas de maior importância nos reservatórios de usinas hidrelétricas e em represas de pequeno porte no Brasil, destacam-se as espécies Egeria densa e Egeria najas, cuja identificação pode ser difícil na fase ...
R.A. Rodella   +3 more
doaj   +1 more source

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