Results 51 to 60 of about 6,584 (193)

Cytotoxic Activity of Opopanax hispidus (Friv.) Griseb.: Characterization of a New Chalcone‐type Compound

open access: yesChemistry &Biodiversity, Volume 22, Issue 11, November 2025.
ABSTRACT The present study aimed to investigate cytotoxic compounds of Opopanax hispidus (Friv.) Griseb. through in vitro, in silico, and phytochemical analyses. The cytotoxic activity of O. hispidus was evaluated against four different cancer cell lines – lung (A549), breast (MCF‐7), liver (HepG2), and cervix (HeLa) – as well as one healthy cell line (
Kevser Taban   +7 more
wiley   +1 more source

1,3-Diarilpropanos de Iryanthera paraensis e Iryanthera tricornis [PDF]

open access: yesActa Amazonica, 1984
Iryanthera paraensis e I. tricornis (Myristicaceae) contêm na madeira de seus troncos 1-(2', 4' - dihidroxifenil) -3- (4", 5"-metilenodoxi-2" -metoxifenil) -propano (1a 1-(2', 4' dihidroxifenil) -3-(3", 4" -metilenodioxifenil)-propano (1b) e 1-(4 ...
José Jerônimo da Silva   +3 more
doaj   +1 more source

The Fossil higher plants from the Canal Zone [PDF]

open access: yes, 1918
Fossil flora described in the present report is too limited for purposes of exact correlation, which may be expected to be settled by the marine faunas present at most horizons in the Isthmian region.
Berry, Edward W.
core  

The Light Bite: Red‐Nosed Cuxiu (Chiropotes albinasus, Primates) Exploit Differential Penetrability of Hard Fruit Husks When Selecting Dental Puncture Sites

open access: yesBiotropica, Volume 57, Issue 6, November 2025.
Red‐nosed cuxiu are specialists in unripe seeds of hard‐husked fruits, which they access with massive jaw muscles and enlarged canines. But this costs energy and risks tooth breakage. The monkeys reduce both by biting at the softest spots on the fruit surface.
Adrian A. Barnett   +15 more
wiley   +1 more source

The tropical tree family Myristicaceae in Valle del Cauca department, Colombia

open access: yesBiota Colombiana, 2000
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Charlotte M. Taylor   +1 more
doaj   +1 more source

The Variety of Forest Vegetations in Southeastern Cameroon,with Special Reference to the Av ailability of Wild Yams for the Forest Hunter-Gatherers [PDF]

open access: yes, 2009
Annually reproducing wild yam species (Dioscorea praehensilis and D. semperflorens) are considered to be the most important food for hunter-gatherer subsistence in terms of energy sources in the central African rainforests.
YASUOKA, Hirokazu
core   +1 more source

Potensi Biomassa Dan Cadangan Karbon Kebun Raya Balikpapan, Kalimantan Timur [PDF]

open access: yes, 2015
Kebun Raya Balikpapan dengan luas area 309,22 ha merupakan sebagian kecil dari 10.000 ha Hutan Lindung Sungai Wain di Kalimantan Timur, Indonesia, yang dialihfungsikan sebagai Kebun Raya.
Asikin, D. (Djauhar)   +3 more
core   +2 more sources

Spatial distribution patterns and formation of global spermatophytes

open access: yesJournal of Integrative Plant Biology, Volume 67, Issue 10, Page 2668-2685, October 2025.
The global Spermatophyte Spatial Evolutionary System defines 18 distribution types and six supertypes across three floristic elements, primarily formed between the Eocene and Miocene and shaped by climate, long‐distance dispersal, and tectonic movement, revealing that similar distribution patterns of spermatophytes were driven by comparable formation ...
Xian‐Han Huang   +13 more
wiley   +1 more source

Pengaruh Aktivitas Wisatawan terhadap Keanekaragaman Tumbuhan di Sulawesi [PDF]

open access: yes, 2013
Tourist arrival and its effects on the sustainability of biodiversity in Sulawesi is one of the interesting public issues discussed at this time. Object of the most visited by tourists are protected forest ecotourism.
Butarbutar, R. R. (Regina)   +1 more
core   +1 more source

Exploration of Flora Diversity and Recommending Species for Reclamation of Coal Mining with Biodiversity Concept in Besiq Bermai Forest, East Borneo [PDF]

open access: yes, 2018
This research was conducted to gather basic information to support recovery coal mining area with study of flora biodiversity. Plants inventory were conducted explorative in Besiq Bermai forest. Some observations were conducted on plants as integral part
Shofiah, F. (Fita)   +1 more
core   +1 more source

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