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Pharmacobotanic characterization of young stems and stem barks of Rauvolfia sellowii Müll. Arg., Apocynaceae BJPS
Baratto,Leopoldo Clemente; Duarte,Márcia do Rocio; Santos,Cid Aimbiré de Moraes.
Rauvolfia sellowii Müll. Arg. (Apocynaceae), a Brazilian native tree rich in indole alkaloids, is known as "pau-pra-tudo" and popularly used as hypocholesterolemic, hypoglycemic and antihypertensive. The aim of this work was to study the anatomy of the young stems and stem barks of this medicinal plant, in order to contribute to the identification of the species as a drug. The plant material was fixed and prepared according to standard microtechniques. The young stems have remaining epidermis, but a suberified peridermis is evident. The phellogen is located in the cortical region, forming suber externally. Underneath the phellogen, lies the phelloderm and collenchymatic region. In the cortex, there are numerous laticifers and some fibers. There is an...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Rauvolfia sellowii/pharmacognosy; Apocynaceae/pharmacognosy; Medicinal plants; Vegetal anatomy; Internal phloem; Laticiferous ducts; Calcium oxalate crystals.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502010000300020
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Rubus alutaceus (Rosaceae), a new species for Colombia with agronomic potential Rev. Bras. Frutic.
Moreno–Medina,Brigitte Liliana; Casierra–Posada,Fánor; Albesiano,Sofía.
Abstract In Gachantivá, Colombia, Rubus alutaceus has been used for commercial purposes for more than one decade but so far with unknown taxonomic identity. For its identification, the anatomical and morphological characteristics of its flowers, fruits, leaves, stems, and seeds, as well as the physicochemical characteristics of its fruits such as color, equatorial and polar diameter, fresh weight, pH and total soluble solids (TSS), were studied. Qualitative and quantitative morphological parameters were evaluated, and longitudinal and transverse cuts were made for histological studies. The plants were found to have trifoliate and pentafoliate leaves; whitish–yellow subglobose polydrupes, fully mature fruits with 8.8°Brix TSS; elliptical, subglobose seeds...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Calcium oxalate crystals; Colleters; Histology; Taxonomic novelty; Postharvest parameters.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452020000200201
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