Zobrazeno 1 - 10
of 67
pro vyhledávání: '"Victor W Steinmann"'
Publikováno v:
Frontiers in Plant Science, Vol 4 (2013)
Malpighiaceae possess flowers with a unique bilateral symmetry (zygomorphy), which is a hypothesized adaptation associated with specialization on neotropical oil bee pollinators. Gene expression of two representatives of the CYC2 lineage of floral sy
Externí odkaz:
https://doaj.org/article/cb9ffdd1592944fda3c8e8f98a7cb7a0
Autor:
Victor W. Steinmann
Publikováno v:
Taxonomy, Vol 2, Iss 3, Pp 291-297 (2022)
Euphorbia marciae, a new species from the lowlands of the Balsas Depression in southwestern Mexico, is described and illustrated. The species was first collected by the renowned botanist George B. Hinton during his explorations of the area in the 193
Externí odkaz:
https://doaj.org/article/789062760ec4408e842d248ab971c5bb
Autor:
Victor W. Steinmann, Warren D. Stevens
Publikováno v:
Botanical Sciences, Vol 100, Iss 3 (2022)
Background: Polystemma (Apocynaceae subfamily Asclepiadoideae) is a small genus currently with seven species characterized by having white glandular trichomes becoming crystalline in age; filiform corona appendages; and fusiform, smooth, mottled foll
Externí odkaz:
https://doaj.org/article/2adf38f3bca8460ea01678bc1368e6fc
Autor:
Victor W. Steinmann
Publikováno v:
Botanical Sciences, Vol 99, Iss 3 (2021)
Antecedentes: Entender la distribución y composición de los ecosistemas es fundamental para la conservación. Los estudios florísticos y de vegetación son de vital importancia en las Áreas Naturales Protegidas dado que albergan recursos biológi
Externí odkaz:
https://doaj.org/article/44a826a28a584850833fc2f5d928af5e
Autor:
Eduardo Ruiz-Sanchez, Carlos Alonso Maya-Lastra, Victor W. Steinmann, Sergio Zamudio, Eleazar Carranza, Rosa María Murillo, Jerzy Rzedowski
Publikováno v:
Botanical Sciences, Vol 97, Iss 4 (2019)
Background: GenBank is a public repository that houses millions of nucleotide sequences. Several software have been developed to extract information stored in GenBank. However, none of them are useful to extract and organize GenBank accession based o
Externí odkaz:
https://doaj.org/article/4d96557137cc4e518f7721f4ff4921f5
Publikováno v:
Systematic Botany. 47:477-497
— Acalypha (Euphorbiaceae: Acalyphoideae) is a large, monophyletic genus distributed worldwide in tropical and subtropical regions, with a few species extending into temperate areas of southern Africa, Asia, and North and South America. We reconstr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0dadfa643d1002b69e514d0b703b9db
https://doi.org/10.1600/036364422x16512572275034
https://doi.org/10.1600/036364422x16512572275034
Autor:
Victor W. Steinmann, Libertad Arredondo-Amezcua, Rodrigo Alejandro Hernández-Cárdenas, Yocupitzia Ramírez-Amezcua
Publikováno v:
Diversity, Vol 13, Iss 1, p 31 (2021)
Alpine vegetation is scarce in central Mexico (≈150 km2) and occurs on the 11 highest peaks of the Trans-Mexican Volcanic Belt (TMVB). Timberline occurs at (3700) 3900 m, and at 4750 m vascular plants cease to exist. The alpine vascular flora compr
Externí odkaz:
https://doaj.org/article/144ffb709b7a4fc591824b8b3f8d36f1
Publikováno v:
Brittonia.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed6829cd3090a101fe87b98e5b1a9b77
https://doi.org/10.1007/s12228-022-09736-6
https://doi.org/10.1007/s12228-022-09736-6
Autor:
Victor W. Steinmann
Publikováno v:
Taxonomy; Volume 1; Issue 4; Pages: 395-424
Taxonomy, Vol 1, Iss 29, Pp 395-424 (2021)
Taxonomy, Vol 1, Iss 29, Pp 395-424 (2021)
A taxonomic and nomenclatural review of the genus Croton (Euphorbiaceae) in the Mexican state of Michoacán is presented. Six sections and 20 species are here reported. The greatest diversity is in the Balsas Depression province, where at least 12 sp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e36f981eeb5eabfc8f525b96138dfa2
https://doi.org/10.3390/taxonomy1040029
https://doi.org/10.3390/taxonomy1040029
Autor:
VICTOR W. STEINMANN
Euphorbi berryi is described and illustrated with photos. It is known from the Cerrado vegetation of Maranhão, Brazil, where it occurs on sandy soils in the municipality of Carolina at elevations of 187 to 350 m. The precise affinities of Euphorbia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1bfa1f9476253f20522a0bb7921a607f
https://zenodo.org/record/6534599
https://zenodo.org/record/6534599
