Results 81 to 90 of about 3,713 (201)

Early floral development of Camellioideae (Theaceae) [PDF]

open access: yesAmerican Journal of Botany, 1998
The early floral development of Camellioideae was studied. Two major evolutionary lineages were recognized for this subfamily. The earlier evolved lineage (Camellia, Polyspora, and Pyrenaria) has normally 11–14 perianth members, which are initiated in a continuous spiral and are differentiated into sepals and petals at late floral development, and ...
openaire   +2 more sources

Flora da Serra do Cipó, Minas Gerais: Theaceae

open access: yes, 2004
Espécies pertencentes a Theaceae - Theoideae sensu Cronquist são consideradas neste tratamento, enquanto o gênero Ternstroemia será tratado na família Pentaphylacaceae.
Udulutsch, Renata Giassi   +3 more
core   +1 more source

Vegetational Characteristics in Natural Habitat and Population Structure of the Endangered Plant Tigridiopalma Genus

open access: yesEcology and Evolution, Volume 16, Issue 4, April 2026.
First comprehensive ecological assessment of the endangered genus Tigridiopalma, covering two China endemic Plant Species with Extremely Small Populations (PSESP), T. magnifica and the newly described T. exalata. T. magnifica exhibits broader habitat diversity and understory resilience, while T.
Peishan Zou   +7 more
wiley   +1 more source

Elevation, soil pH and calcium availability shape regional and local scale spatial patterns of PhoD gene abundance in tropical and subtropical forests

open access: yesFunctional Ecology, Volume 40, Issue 4, Page 983-1000, April 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Organic phosphorus mineralization is a critical process in the phosphorus cycle, governing phosphorus bioavailability for plants. The PhoD gene, which encodes the key enzyme alkaline phosphatase, serves as a valuable biomarker for this process.
Sandhya Mishra   +3 more
wiley   +1 more source

Orthoquinone, Cyclic, and Acyclic α‐Diketone Natural Products: From Food Applications to Pharmacotherapy

open access: yesPhytochemicals in Food and Medicine, Volume 1, Issue 1, March 2026.
The orthoquinone metabolites from plants have antimicrobial, antioxidant, antiviral, cytotoxic, and anti‐inflammatory effects. ABSTRACT The structural diversity of natural products is vast and fascinating, and they have been recognized as an enormously diverse source of new lead compounds.
Hidayat Hussain   +5 more
wiley   +1 more source

Current perspectives on Pyrenaria: An updated review of a lesser-known genus in Theaceae

open access: yes
The family Theaceae, commonly known as tea family, comprises approximately 600-760 accepted species distributed across tropical and subtropical regions of Asia and America. The genus Pyrenaria Blume, belongs to the family Theaceae, distributed throughout
Bijoy Neog, Kaumudi Devi
core   +1 more source

FIGURE 2 in Taxonomic notes on Camellia crassicolumna and its related species (Theaceae)

open access: yes, 2023
FIGURE 2. Morphological comparisons between Camellia crassicolumna (A, C, E) and C. kwangsiensis var. kwangnanica (B, D, F). A, B. Young branches and terminal buds. C, D. Ovaries. E, F. Abaxial surface of sepals and petals. Photos A, C, E by S.X.
Peng, Hua   +4 more
core   +1 more source

Decoding the complete organelle genomic architecture of Stewartia gemmata: an early-diverging species in Theaceae

open access: yesBMC Genomics
Background Theaceae, comprising 300 + species, holds significance in biodiversity, economics, and culture, notably including the globally consumed tea plant.
Daliang Liu   +8 more
doaj   +1 more source

The complete chloroplast genome sequence of rare and endangered Camellia pubipetala Y. Wan & S. Z. Huang (Theaceae) of South China

open access: yes, 2021
The complete chloroplast genome sequence of rare and endangered Camellia pubipetala Y. Wan & S. Z. Huang (Theaceae) was mentioned in this research. By studying comparatively, we found that the C. pubipetala Y. Wan & S. Z. Huang chloroplast genome was 156,
Xiao-xia Ye   +5 more
core   +1 more source

BOTANY OF SOME USEFUL PLANTS.-VI

open access: yesMadras Agricultural Journal, 1929
This is a small family confined to the tropics consisting of shrubs and trees with leathery ever- green exstipulate alternate leaves. The flowers are regular and usually hermaphrodite with sepals and petals in fives (or 4 to 7 rarely).
S. N. CHANDRASEKHARAN   +1 more
doaj   +1 more source

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