A Phylogenetic Study of Arecaceae Based on Seedling Morphological and Anatomical Data

Henderson, Flor

doi:10.5642/aliso.20062201.21

Cited by 5 publications

(3 citation statements)

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“…The role of stem anatomy in systematic and phylogenetic analysis of palms species was described (Henderson & Stevenson, 2006;Thomas & De Franceschi, 2013). Thomas & Boura (2015) conducted a study on stem anatomy and vessels diameter to analyze correspondences between anatomy and climate, and concluded that stem anatomy correlated the climate and shows phylogentic signals; therefore, the present anatomical observation may prove useful in such other research programmes in future.…”

Section: Discussionmentioning

confidence: 88%

Anatomical Studies on Wallichia Nana Griff., a Wild Palm of Assam, India

Mehmud

Roy

2020

REINWARDTIA

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MEHMUD, S. & ROY, H. 2020. Anatomical studies on Wallichia nana Griff., a wild palm of Assam, India. Reinwardtia 19(2): 97‒102. ‒‒ The present communicated research is a study based on the observation of free hand transverse section of leaf, stem and root and epidermal morphology of lamina in Wallichia nana, a species distributed in North-eastern states of India. Occurrence of paracytic stomata was noted on both surfaces of the lamina but comparatively more on lower surface. Number of metaxylem vessel recorded in lamina is single whereas, one to two in stem, petiole and roots. Presence of mucilage sacs recorded in the cortex of both petiole and stem.

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Section: Discussionmentioning

confidence: 88%

Anatomical Studies on Wallichia Nana Griff., a Wild Palm of Assam, India

Mehmud

Roy

2020

REINWARDTIA

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“…Germination and Seedling:-Germination and seedlings of Ceroxylon have been described by Henderson & Stevenson (2006). Germination is adjacent-ligular.…”

Section: Figurementioning

confidence: 99%

<strong>A revision of the Andean wax palms, <em>Ceroxylon</em> (Arecaceae)</strong>

Sanín

Galeano

2011

Phytotaxa

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The genus Ceroxylon is revised and twelve species are recognized. A total of 228 specimens from 19 herbaria were studied and field work was carried out in four countries. A list of 113 characters was explored in the specimens and described for each species. Additionally, leaf anatomy and pollen morphology (via Scanning Electron Microscopy, SEM) were examined for twelve and eleven species, respectively. SEM images were used to describe the surfaces of the leaf and fruit epicarp. Information on habitat, natural history, local names, uses and conservation status are incorporated after the morphological description of each species. A key for the identification of the species is provided and illustrations and distribution maps are included for all species.

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“…For example, the prefix Ptychos, meaning folding or doubled gives the name of two genera Ptychococcus and Ptychosperma (Figure 1), both in the sub-tribe Ptychospermatinae, in the sub-family Areceae. Seedling morphology and anatomical studies have been the basis for classification in the family [15]; nevertheless, seed morphology specifically has not received much attention. The shapes of many seeds in the Arecaceae are often described as circular, ellipsoidal or elliptic, globose, ovoid, ovoidal, piriform, or rounded, including double adjectives such as "irregularly globose" or "broadly ovoid" [1].…”

Section: Introductionmentioning

confidence: 99%

Seed Geometry in the Arecaceae

2020

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Fruit and seed shape are important characteristics in taxonomy providing information on ecological, nutritional, and developmental aspects, but their application requires quantification. We propose a method for seed shape quantification based on the comparison of the bi-dimensional images of the seeds with geometric figures. J index is the percent of similarity of a seed image with a figure taken as a model. Models in shape quantification include geometrical figures (circle, ellipse, oval…) and their derivatives, as well as other figures obtained as geometric representations of algebraic equations. The analysis is based on three sources: Published work, images available on the Internet, and seeds collected or stored in our collections. Some of the models here described are applied for the first time in seed morphology, like the superellipses, a group of bidimensional figures that represent well seed shape in species of the Calamoideae and Phoenix canariensis Hort. ex Chabaud. Oval models are proposed for Chamaedorea pauciflora Mart. and cardioid-based models for Trachycarpus fortunei (Hook.) H. Wendl. Diversity of seed shape in the Arecaceae makes this family a good model system to study the application of geometric models in morphology.

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A Phylogenetic Study of Arecaceae Based on Seedling Morphological and Anatomical Data

Cited by 5 publications

References 10 publications

Anatomical Studies on Wallichia Nana Griff., a Wild Palm of Assam, India

Anatomical Studies on Wallichia Nana Griff., a Wild Palm of Assam, India

<strong>A revision of the Andean wax palms, <em>Ceroxylon</em> (Arecaceae)</strong>

Seed Geometry in the Arecaceae

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