Results 131 to 140 of about 1,667 (170)

Comparative leaf anatomy of two species of <i>Ipomoea</i> L. (Convolvulaceae): taxonomic importance and adaptations to xeric conditions of the cangas. [PDF]

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Silva JCR, Silva KR, Caldeira CF, Oriani A, Watanabe MTC.   +4 more
europepmc   +1 more source

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Artemisia annua glandular secretory trichomes: the biofactory of antimalarial agent artemisinin

Science Bulletin, 2016
Artemisinin, the key ingredient of first-line antimalarial drugs, has large demand every year. The native plant, which produces small quantities of artemisinin, remains as its main source and thus results in a short supply of artemisinin. Intensified efforts have been carried out to elevate artemisinin production.
Hexin Tan
exaly   +2 more sources

Structure and development of secretory trichomes on Myriophyllum spicatum L.

Aquatic Botany, 1990
Abstract Development of secretory trichomes was followed on Myriophyllum spicatum L. leaves and stem. Secretory trichomes occurred on very young plants and abscised early, leaving behind a scar. Analysis of the chemical composition indicated that Myriophyllum trichomes contain polysaccharides and lipophilic substances.
C Nalewajko
exaly   +2 more sources

Development and morphology of secretory trichomes of Calceolaria volckmanni (Scrophulariaceae)

Nordic Journal of Botany, 1996
The development and morphology of secretory trichomes of Calceolaria volckmanni was examined with light and electron microscopy. The formation and development of the glandular trichomes began with the outgrowth of a single epidermal cell which progressively increased in height and evolved ...
Gianni Sacchetti, Marcello Nicoletti
exaly   +2 more sources

Anatomical studies of the secretory structures: Glandular trichomes and ducts, in Grindelia pulchella Dunal (Astereae, Asteraceae)

Flora: Morphology, Distribution, Functional Ecology of Plants, 2011
Abstract The ultrastructure of the glandular trichomes and secretory ducts of Grindelia pulchella was studied. Plastids, mitochondria and endoplasmic reticulum are involved in the secretory process of both, trichomes and ducts. A special tissue with “transfer cells” is associated with the duct epithelial cells.
BEATRIZ Galati
exaly   +3 more sources

Plant epidermis‐derived secretory structures: from glandular trichomes to secretory cavities

New Phytologist
Summary Trichomes develop as outward projections from the epidermal surface. By contrast, as subepidermal secretory cavities, citrus oil glands originate from epidermal cells and develop into specialized hollow structures. During the development of these epidermis‐derived structures in vascular plants, transcription factors, such as ...
Deng Xiuxin
exaly   +3 more sources

Developmental Ultrastructure of Glandular Trichomes of Rosmarinus officinalis: Secretory Cavity and Secretory Vesicle Formation

Journal of Plant Biology, 2011
Glandular trichomes in the leaf lamina of Rosmarinus officinalis L. were examined by scanning and transmission electron microscopy. The leaves were characterized by an abundance of two types of glandular trichomes—small capitate and large peltate glandular trichomes.
Jang-Sun Choi, Na Young Lee, Seung-Eun Oh, Ki-Cheol Son, Eun-Soo Kim   +4 more
exaly   +2 more sources

Secretory Trichomes, a Substitutive Floral Nectar Source in Lundia A. DC. (Bignoniaceae), a Genus Lacking a Functional Disc [PDF]

Annals of Botany, 2002
This is the first report of corolla-borne secretory trichomes that substitute in role for a non-functional disc in a species of the neotropical genus Lundia A. DC. (Bignoniaceae). The floral biology and flowering phenology of Lundia cordata were investigated at two remnants of tropical rainforest in northeastern Brazil.
Isabel Cristina Machado, Ariadna Valentina Lopes, Stefan Vogel   +2 more
exaly   +4 more sources

Development, structure, and occurrence of secretory trichomes ofPharbitis

Protoplasma, 1974
Secretory trichomes develop from epidermal cells on the leaf primordia and stem ofPharbitis nil. Following an initial growth phase, trichomes begin active secretion of a protein-carbohydrate mucilage. This mucilage covers the shoot apex and developing leaves ofPharbitis.
Jayne M. Unzelman, Patrick L. Healey
exaly   +2 more sources