Results 51 to 60 of about 25,486 (227)

Tirucallane-Type Triterpenoids from the Dysoxylum gaudichaudianum Stem Bark: Phytochemical Study and Cytotoxicity Evaluation Against Human HeLa Cervical Cancer Cells

open access: yesIndonesian Journal of Chemistry
A total of three tirucallane-type triterpenoids were successfully isolated from the n-hexane extract of the stem bark of Dysoxylum gaudichaudianum: 4,4,14-trimethyl-3-oxo-24-nor-5α,13α,14β,17α,20S-chol-7-en-23-oic (1), toonapubesin B (2), and 3β,22S ...
Faizah Maira   +5 more
doaj   +1 more source

Physical properties of four ring-porous hardwood species: Influence of wood rays on tangential and radial wood shrinkage [PDF]

open access: yes, 2019
Some relationships between ray proportions, strength and shrinkage properties and basic density in hardwood species were highlighted. A better understanding of their relationships caused by the variation in moisture content in the hygroscopic domain ...
Candelier, Kévin   +4 more
core   +1 more source

Meliaceae africanae [PDF]

open access: yesNotizblatt des Königl. botanischen Gartens und Museums zu Berlin, 1917
n ...
openaire   +2 more sources

Intercontinental comparisons of invasive spotted lanternfly egg mass densities and mortality patterns

open access: yesEcosphere, Volume 17, Issue 4, April 2026.
Abstract Spotted lanternfly, Lycorma delicatula (White) (Hemiptera: Fulgoridae), is an invasive species of planthopper native to China. Populations of this invasive insect have been detected in South Korea (2006), Japan (2009), and the United States (2014).
Matthew T. Kamiyama   +11 more
wiley   +1 more source

Meliaceae

open access: yes, 1995
Meliaceae Juss., Gen. P1. (1789) 263 (‘Meliae’); T.D. Penn. & Styles, Blumea 22 (1975) 419—540; Mabb. in Fl. Nouv.-Caléd. et Dép. 15 (1988) 17—89; Mabb. & Pannell in Tree Fl. Malaya 4 (1989) 199—260. Cedrelaceae R.Br. in Flinders, Voy. Terra Austr. 2, App. (1814) 64 (‘ Azedarachaceae Cedreleae’). Schultes in Roem. & Schultes, Syst. Veg.
Mabberley, D.J. (David)   +2 more
openaire   +3 more sources

INFLUENCE OF EXTRACTION METHODS ON THE HEPATOTOXICITY OF AZADIRACHTA INDICA BARK EXTRACT ON ALBINO RATS [PDF]

open access: yes, 2009
The influence of extraction methods: Cold aqueous (CA) hot aqueous (HA) and alcoholic extraction (AE) methods on the hepatotoxic effect of Azadirachta indica bark extract (ABC) was investigated using albino rats.
Iweala, E. E. J., Nwachukwu, N
core   +2 more sources

IUCN Red List Regional Assessment of the Flora of Niue Utilising Indigenous Local Knowledge and Botanical Information

open access: yesJournal of the Royal Society of New Zealand, Volume 56, Issue 2, April 2026.
A regional assessment of the indigenous vascular plants of Niue is presented using the IUCN Red List criteria. The assessment was undertaken during a community workshop that drew on the indigenous local knowledge and scientific information. The assessment comprised 197 named taxa and 8 indeterminate entities, with 4 (2.0%) taxa assessed as Extinct and ...
Peter B. Heenan   +2 more
wiley   +1 more source

Dispersal and delimitation: Phylogenomics of Connaraceae prompts revised generic delimitation in Cnestideae and reveals global biogeographic patterns

open access: yesTAXON, Volume 75, Issue 2, April 2026.
Abstract The tempo and mode of assembly of the world's most diverse, tropical floras remain poorly known. Evolutionary relationships within pantropical plant clades such as Connaraceae (Oxalidales, ca. 220 species) offer an opportunity to address this issue.
Serafin J.R. Streiff, Jurriaan M. de Vos
wiley   +1 more source

Brine Shrimp Toxicity Evaluation of Some Tanzanian Plants Used Traditionally for the Treatment of Fungal Infections. [PDF]

open access: yes, 2006
Plants which are used by traditional healers in Tanzania have been evaluated to obtain preliminary data of their toxicity using the brine shrimps test. The results indicate that 9 out of 44 plant species whose extracts were tested exhibited high toxicity
Hamza, Omar J M   +10 more
core   +1 more source

Causal Analysis of a Migration of the Snout Butterfly, Libytheana bachmanii Iarvata (Strecker) (Libytheidae) [PDF]

open access: yes, 1983
Observation of a massive migration of the snout butterfly, Libytheana bachmanii larvata (Strecker), in central Texas in 1971 is described. An association of peak migration periods and periodic precipitation episodes is believed to be causal in nature ...
Neck, Raymond W.
core   +1 more source

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