Leaf anatomy of Cordiera sessilis (Vell.) Kuntze (RUBIACEAE)

Teixeira, Thaiz Rodrigues; Pádua, Marlúcia Souza; Castro, Ana Hortência Fônseca

doi:10.4025/actascibiolsci.v38i3.29902

Cited by 7 publications

(7 citation statements)

References 25 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…According to Mattos (2011) and Teixeira et al (2016), trichomes have taxonomic value in the Rubiaceae. Their importance may vary according to the hierarchical level analyzed, with Kocsis et al (2004) demonstrating that trichome types, especially abaxial leaf trichomes, can be used to distinguish Rodeletia species.…”

Section: Discussionmentioning

confidence: 99%

Leaf anatomy of Rubiaceae species in a semiarid area of Brazil

et al. 2020

View full text Add to dashboard Cite

Resumo Dada a importância dos caracteres anatômicos para delimitação de subgrupos de Rubiaceae, a dificuldade na identificação de determinados táxons, bem como aa escassez de trabalhos sobre o grupo no semiárido, este trabalho objetivou caracterizar a anatomia das folhas de 15 espécies pertencentes aos gêneros Borreria (2), Cordiera (1), Eumachia (1), Hexasepalum (4), Mitracarpus (4), Richardia (1), Staelia (1) e Tocoyena (1) coletados na APA Serra Branca/Raso da Catarina (Jeremoabo-BA, Brasil), e destacar os elementos úteis para subsidiar a taxonomia do grupo. Os resultados mostraram que houve variação quanto ao formato e contorno das células epidérmicas, presença, ausência e tipos de tricomas, tipo de mesofilo, posição e tipo de estômato, formato das células subsidiárias, organização do sistema vascular, ocorrência de células coletoras e estômatos geminados. Foi observado que as características anatômicas, quando utilizadas em conjunto, servem como uma boa ferramenta taxonômica na separação de gêneros e espécies de Rubiaceae.

show abstract

Section: Discussionmentioning

confidence: 99%

Leaf anatomy of Rubiaceae species in a semiarid area of Brazil

et al. 2020

View full text Add to dashboard Cite

show abstract

“…Kehadiran senyawa alkaloid terdeteksi di bagian epidermis, xilem dan floem (Gambar 2.B). Berbeda dengan Teixeira et al (2016), alkaloid terdeteksi di bagian parenkim kortikol dan medular pada Cordiera sessilis (Vell.) Kuntze (Rubiaceae).…”

Section: Histokimia Petiolunclassified

Histochemical Test of root, petiole and leaf of Kelembak (Rheum officinale Baill.)

Nurhasanah

Iriani

2021

JBT

View full text Add to dashboard Cite

Kelembak (Rheum officinale Baill.) is perennial shrub with pharmacological activities, and well-known as one of traditional herbal medicine used widely in the world. The phytochemical study, as well as histochemical test, is pivotal to determine the potency of herbs used for disease treatment. Based on its secondary metabolite content.ÃÂ Histochemical test of R.officinale vegetative organs had not been reported. This study aims to determine the content of compounds in the vegetative organs of kelembak and provide information on the anatomical position of each compound in root, petiole and leaf. The preparation of histochemical test used freehand section method. Each sample was made in three replications for this test. A total of four secondary metabolites were examined in this study, i.e. alkaloid, tannin, lipid and flavonoid. The positive content of each compound was indicated by the coloration change. The specimens were then observed and photographed using light microscope.ÃÂ The results showed that the root, petiole and leaf showed positive content of alkaloids, tannins, lipids and flavonoids. However, the anatomical position of each secondary metabolites are different among root, petiole and leaf. The results of this study provide the first information of histochemistry vegetative organs of Rheum officinale.

show abstract

“…The organization of the vascular system in the middle vein of the leaf blade and in the petiole has taxonomic significance (Metcalfe and Chalk 1950;Kocsis and Borhidi 2003a, b;Arruda et al 2010;Kocsis et al 2004;Teixeira et al 2016). In some cases, families, genera, species, or varieties can be distinguished by the superficial characters and vascular arrangement of the leaf (Kocsis and Borhidi 2003a).…”

Section: Systematic Botanymentioning

confidence: 99%

A New Species of Randia (Rubiaceae) and the Taxonomic Significance of Foliar Anatomy in the Species of Randia of the Southern Cone of America

2020

View full text Add to dashboard Cite

Abstract―Randia heteromera is a new species described based on studies of taxonomy and vegetative anatomy (leaf, stipule, and colleters). This species is illustrated and diagnosed in comparison to the other four similar species of Randia in the Southern Cone of America. The species grows in areas of humid forests, locally known as the humid Chaco in the southern part of its distribution (Argentina and Paraguay), and in seasonal forests in the northern part, in northeast Paraguay and the south of Mato Grosso do Sul in Brazil. We present a key to distinguish R. heteromera from the other species of the Southern Cone of America. The species was also compared with similar taxa, Randia nitida or R. hebecarpa, occasionally used to identify material from the Southern Cone of America. A distribution map is provided. The anatomical data studied had a taxonomic value at the species level. In addition, based on the leaf anatomy studies carried out in the present study and in previous studies, three new types of vascular tissue organization in the leaf are described for Rubiaceae.

show abstract

Leaf anatomy of Cordiera sessilis (Vell.) Kuntze (RUBIACEAE)

Cited by 7 publications

References 25 publications

Leaf anatomy of Rubiaceae species in a semiarid area of Brazil

Leaf anatomy of Rubiaceae species in a semiarid area of Brazil

Histochemical Test of root, petiole and leaf of Kelembak (Rheum officinale Baill.)

A New Species of Randia (Rubiaceae) and the Taxonomic Significance of Foliar Anatomy in the Species of Randia of the Southern Cone of America

Contact Info

Product

Resources

About