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Friday, July 24, 2020 | History

3 edition of Leaf anatomy and systematics of New World Velloziaceae found in the catalog.

Leaf anatomy and systematics of New World Velloziaceae

by Edward S. Ayensu

  • 20 Want to read
  • 7 Currently reading

Published by Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.] in Washington .
Written in English

    Places:
  • America.
    • Subjects:
    • Velloziaceae.,
    • Leaves -- Anatomy.,
    • Botany -- America.

    • Edition Notes

      Bibliography: p. 72.

      Statement[by] Edward S. Ayensu.
      SeriesSmithsonian contributions to botany,, no. 15, Smithsonian contributions to botany ;, no. 15.
      Classifications
      LC ClassificationsQK1 .S2747 no. 15, QK495.V4 .S2747 no. 15
      The Physical Object
      Paginationv, 125 p.
      Number of Pages125
      ID Numbers
      Open LibraryOL5421986M
      LC Control Number73015606

      A comprehensive anatomical study of the nodes and leaves of 21 species in five genera of Staphyleaceae was conducted to clarify the systematics and major trends of specialization and radiation within the family. The fundamenta staphyleaceous nodal pattern is trilacunar, three-trace, although a considerable range of variation exists within genera in numbers of traces and gaps and in the nature Cited by: Apostasiads, systematic anatomy, and the origins of Orchidaceae Research was carried out in the hope of providing objective information from anatomy towards unravelling the relationships of these plants, and especially towards answering the question of whether extant orchids evolved from these two genera, or from plants like them.

      The specialized leaf anatomy for species of Dendrobium within section Aporum is similar to that of species in section Rhizobium. In both sections leaves are characterized by a unifacial or nearly unifacial surface where the exposed surface is abaxial. However, leaves in section Rhizobium also feature a lacuna submerged in the mesophyll and surrounded by an adaxial astonmartingo.com by: A critical revision of certain taxonomic groups of the Malvales, New Phytol. and Ellis, R.P. A procedure for standardizing comparative leaf anatomy in the Poaceae. The leaf blade as viewed in transverse section. Bothalia, Engler, A. Syllabus der pflazen familien II. Gebruder Borntraeger, Berlin, Germany.

      In the present investigation, reeval- nation of character state distributions and homol- ogies coupled with the methods of phylogenetic systematics has provided a new classification based Volume 77, Number 4 Kress Phylogeny and Classification of Zingiberales on cladistic hypotheses- However, many phyloge- netically useful characters in. May 01,  · Monocots: Systematics and Evolution presents leading work from around the world on non-grass monocotyledons and includes reviews and current research into their comparative biology, phylogeny and classification. The papers are based on presentations at the Second International Conference on the Comparative Biology of the Monocotyledons, Monocots II, held in Sydney, Cited by:


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Leaf anatomy and systematics of New World Velloziaceae by Edward S. Ayensu Download PDF EPUB FB2

The leaf anatomy of species of New World Velloziaceae has been studied with the purpose of providing important character-states in assessing the systematics of the family. Transverse section of the leaves have shown the type of sclerenchyma and mesophyll patterns that are assignable either to the genus Vellozia or Barbacenia (sensu lato).

DSpace Repository Leaf Anatomy and Systematics of New World Velloziaceae. Login. DSpace Home → Smithsonian Contributions Series → Smithsonian Contributions to Botany. Leaf anatomy and systematics of New World Velloziaceae by Edward S.

Ayensu starting at $ Leaf anatomy and systematics of New World Velloziaceae has 0 available edition to buy at Half Price Books Marketplace Same Low Prices, Bigger Selection, More Fun Shop the All-New astonmartingo.com. Leaf anatomy and systematics of New World Velloziaceae By Edward S.

Ayensu Topics: America, Anatomy, Botany, Leaves, VelloziaceaeAuthor: Edward S. Ayensu. Leaves tristichous or spirotristichously arranged, clustered at end of the stem or its branches when new, the grasslike (rarely subterete) blades linear, dorsiventral, basally sheathing, entire or often dentate-spinulose along margins, reflexing with age, or caducous along a regular, usually straight transverse line.

Adventitious roots alternating with the leaves, penetrating the lower, old, fibrous leaf sheaths in. Leaf anatomy is described in 32 species of 16 genera of the New World tribe Tigridieae (Iridaceae, Iridoideae), including examples from both subtribes Cipurinae and astonmartingo.com: Paula J.

Rudall. The analysis of the rbcL sequence data supports the Chinese genus Acanthochlamys as sister to Velloziaceae s.s., the monophyly of the Old Word genus Xerophyta and its separation from the New World.

Brazilian Journal of Botany Print version ISSN On-line version ISSN Leaf anatomy and systematics of Old World Velloziaceae.

Kew Bulletin [ Links ] AYENSU, E.S. Leaf anatomy and systematics of New World Velloziaceae. Smithsonian Contributions to Botany Abstract. The morphological and leaf anatomical differentiation ofVellozia hirsuta is analysed and classified into several types (A1, A2, A4, B3, B5, C3).

The species has a relatively wide distribution in the campos rupestres of Minas Gerais in astonmartingo.com by: Jun 28,  · Abstract. Anatomical study of several species of the putatively primitive orchids Apostasia and Neuiviedia was based on specimens of leaves, stems and rootS.

Research was carried out in the hope of providing objective information from anatomy towards unravelling the relationships of these plants, and especially towards answering the question Cited by: Editorial Office of Journal of Systematics and Evolution.

JSE is now offering journal App to all readers. Click on the below App Store icon, download the App and read the journal content by today. The new locally endemic genus Yazdana (Caryophyllaceae).

Coetzee H. Anatomy of the leaves of the Velloziaceae in South Africa and South West Africa and a key based on leaf anatomy.

Dinteria. ; –8. Cronquist A. An integrated system of classification of flowering plants. New York, NY: Columbia University Press; Dahlgren RMT, Rasmussen astonmartingo.com by: Comparative Anatomy of Lachnanthes and and Lophiola (Haemodoraceae) 1 1.

This study was submitted by M. Simpson to the Department of Botany, The University of North Carolina at Chapel Hill, in partial fulfillment of the requirements for the Master of Science astonmartingo.com by: Hummingbird pollination of Barbacenia flava was observed in the Serra do Cipó, Minas Gerais, Brazil The flowers of this species present a typical ornithophilous syndrome; they are diurnal, odourless, yellow, long stalked and project outside the foliage; and they produce nectar astonmartingo.com by: New York Academy of Sciences TRAVEL He has travelled extensively the world over for field research in the biological sciences and workshops, meetings and conferences on environment and development; and as a consultant on science and technology for development especially.

BIBLIOGRAPHY Abrams, M. (): Leaf structural and photosynthetic pigment characteristics of three gallery- forest hardwood species in North- east.

A revision of African Velloziaceae based on leaf anatomy characters and rbcL nucleotide sequences. Botanical Journal of the Linnean Society (1): 22– DOI: /boj Reference page. Govaerts, R. et al. Velloziaceae in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew.

Published. Three new species of the Neotropical genus Barbacenia (Velloziaceae, Pandanales) from Tocantins, Brazil, are described and illustrated, based on morphology and leaf anatomy.

The known species richness of the genus is mapped within the countries of South America and the states of Brazil. Vol. 23, No. 2, Published by: Springer on behalf of Royal Botanic Gardens, Kew. The So-Called New World Species. Studies in the Genus Jasminum L.: IV: The So-Called New World Species (pp.

) Leaf-Anatomy and Systematics of Old World Velloziaceae. Leaf-Anatomy and Systematics of Old World Velloziaceae.

Howler monkeys (genus Alouatta) comprise 12 species of leaf-eating New World monkeys that range from southern Mexico through northern astonmartingo.com genus is the most widespread of any New World primate and can be found to inhabit a range of forest types from undisturbed rainforest to severely anthropogenically-impacted forest fragments.

ADVERTISEMENTS: In this article we will discuss about the Anatomy in Relation to Plant Taxonomy: 1. Uses of Anatomy 2.

Types of Anatomy 3. Ultra Structural Systematics. Uses of Anatomy: Anatomical characters of vegetative and floral parts of flowering plants have been successfully employed to solve taxonomic problems and for the elucidation of phylogenetic relationships.

.The Biodiversity Heritage Library works collaboratively to make biodiversity literature openly available to the world as part of a global biodiversity community. Leaf anatomy and systematics of New World Velloziaceae.

View Metadata. By: Ayensu, Edward S. Color Electronic books Hassall, Arthur Hill, Leaves San Remo (Italy).The anatomy of the stem-node-leaf continuum was described for 57 species in the Grevilleeae and 6 species in the Persooniinae. Anatomical features were discussed in the context of taxonomic relationships in genera and, briefly, at higher astonmartingo.com: Dorothy Margaret Catling.