Results 81 to 90 of about 3,704 (213)

Progress and problems in the assessment of flower morphology in higher-level systematics [PDF]

open access: yes, 2018
Floral features used for characterization of higher-level angiosperm taxa (families, orders, and above) are assessed following a comparison of earlier (precladistic/premolecular) and current classifications.
Endress, Peter, Matthews, Merran
core  

Floral Ontogeny and Phylogeny in Malvaceae. [PDF]

open access: yes, 2000
Floral ontogeny in representatives of Malvaceae was compared using scanning electron microscopy. Many aspects of floral development have been resolved by this research, including the presence of a petal-stamen ring meristem in malvaceous taxa.
Crozier, Teresa Shuff
core   +2 more sources

Transcriptomic immune response of the cotton stainer Dysdercus fasciatus to experimental elimination of vitamin-supplementing intestinal symbionts. [PDF]

open access: yesPLoS ONE, 2014
The acquisition and vertical transmission of bacterial symbionts plays an important role in insect evolution and ecology. However, the molecular mechanisms underlying the stable maintenance and control of mutualistic bacteria remain poorly understood ...
Eugen Bauer   +4 more
doaj   +1 more source

Chromosomal variation in some members of Malvales Juss. from Rajasthan, India

open access: yesThe Nucleus, 2016
The present paper deals with the meiotic study of 15 species belonging to 7 genera of 3 families of order Malvales i.e. Malvaceae, Sterculiaceae and Tiliaceae from different geographical areas of Rajasthan. Out of 15 species, intraspecific cytotypes at tetraploid and diploid level of Triumfetta rhomboidea has been reported for ...
Kuljit Kaur, Raghbir Chand Gupta
openaire   +2 more sources

Angiosperm diversity in Bhadrak region of Odisha, India

open access: yesJournal of Threatened Taxa, 2020
We present the information about angiosperm species in Bhadrak District of Odisha, India. In so doing, we assess the state of floristic knowledge across ecoregions of the district and pinpoint our understanding of the district flora.
Taranisen Panda   +4 more
doaj   +1 more source

New Thinking in Punt Morphology [PDF]

open access: yes, 1971
This note is to reflect the thoughts, practical work and hopes of two workers in the Netherlands who are angaged in this branch of science, Dr.
Heel, W. A. (W)
core  

Taxonomic significance of inflorescences, floral morphology and anatomy in Passerina (Thymelaeaceae)

open access: yesBothalia: African Biodiversity & Conservation, 2001
Comparative studies were undertaken on the inflorescence, bracts and floral morphology of all taxa of the genus Passerina L. in southern Africa. Information is given in tabular form and a key based on bract morphology is presented.Floral morphology ...
C. L. Bredenkamp, A. E. van Wyk
doaj   +1 more source

Keanekaragaman tumbuhan survival di bagian selatan Bukit tlogodringo tawangmangu karanganyar [PDF]

open access: yes, 2016
Indonesia has a very abundant biodiversity one plant diversity. Plant survival is a plant that is safe for consumption by humans. Tlogodringo hill has a peak altitude of 2,054 m. asl in the form of fairly dense forest.
Argiyanti, Anna   +1 more
core  

PENGEMBANGAN ATLAS KEANEKARAGAMAN FLORA DI KAMPUS UNIVERSITAS NEGERI SURABAYA SEBAGAI SARANA IDENTIFIKASI [PDF]

open access: yes, 2017
Materi keanekaragaman hayati tingkat gen dan jenis maupun angiospermae di dalamnya terdapat kegiatan pengamatan, menggolongkan tumbuhan, dan identifikasi, sehingga dibutuhkan sarana identifikasi untuk membantu guru dan calon guru agar dapat mencapai KD ...
WAHYUNINDITA, VERINA
core   +2 more sources

Taxonomy and phylogeny of the Old World jumping plant-louse genus Paurocephala (Insecta, Hemiptera, Psylloidea) [PDF]

open access: yes, 2002
Fifty-one species are recognized in the genus Paurocephala, with an additional 14 species which remain unnamed. Thirty-five species are described as new, and five species are synonymized: P. pumilae and P. zhejiangensis with P.
Burckhardt, Daniel, Mifsud, David
core   +2 more sources

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