COMPARED ANATOMY OF SPECIES OF Calycophyllum DC. (Rubiaceae)

Baldin, Talita; Siegloch, Anelise Marta; Marchiori, José Newton Cardoso

doi:10.1590/0100-67622016000400020

Cited by 5 publications

(1 citation statement)

References 8 publications

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“…the fossil lacks rays >1 mm, a feature common in the family but not present in Calycophyllum (Inside-Wood 2004-onwards). Most features of the fossil are within the range of variability of Calycophyllum; perforated ray cells have been noted for C. candidissimum and other species in the genus (Chalk & Chattaway 1933;León 2011;Baldin et al 2016). Similar taxa in Salicaceae (Casearia) and Phyllanthaceae (Cleistanthus) generally have rays >1 mm (InsideWood 2004-onwards).…”

Section: Muntingiaceaementioning

confidence: 66%

The Piedra Chamana fossil woods (Eocene, Peru), II

Woodcock

Meyer

Prado

2019

IAWA J.

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This contribution presents descriptions of 14 fossil woods from the Piedra Chamana Fossil Forest in Peru, an assemblage of fossil woods and leaves dated at 39 Ma (late Middle Eocene). It is part two of the descriptions of the non-monocot angiosperm fossils from the site (see Woodcock et al. 2017). The woods are assigned to the subfamilies Bombacoideae, Bombacoideae/Malvoideae, Byttneroideae, Grewioideae, and Sterculioideae of Malvaceae and the families Melastomataceae, Muntingiaceae, Rubiaceae, Rutaceae, and Sapindaceae. Malvalean taxa make up around one-third of the wood types. Many of the woods are identifiable to modern-day genera or groups, including genera with species counted among the hyperdominant trees of the New World forests. Represented vegetation types include mixed freshwater swamp with Avicennia, seasonally flooded forest, and lowland tropical forest with a dry aspect. The assemblage shows floristic similarities to extant South American lowland tropical forest, particularly the seasonally flooded forests growing along white water rivers (várzea); however, the dry forest association has a less clear analog in the present-day tropics.

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Section: Muntingiaceaementioning

confidence: 66%

The Piedra Chamana fossil woods (Eocene, Peru), II

Woodcock

Meyer

Prado

2019

IAWA J.

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Wood Specifications C

Ruffinatto

Crivellaro

2019

Atlas of Macroscopic Wood Identification

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A phylogenetic and functional perspective on the origin and evolutionary shifts of growth ring anatomical markers in seed plants

et al. 2020

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We reconstruct the evolutionary changes in different anatomical markers in order to understand the evolution and functional aspects of growth rings during the diversification of seed plants (spermatophytes), one of the largest and most diverse lineages of the tree of life. We carried out a wide revision of the anatomy of secondary xylem in spermatophytes and reconstructed the evolution of the different anatomical markers in a time-calibrated phylogeny. By embodying a functionally and evolutionarily significant concept in growth rings we reveal a new panorama for their frequency and show how common they are in diverse lineages of tropical plants. In this context, the principal anatomical markers of growth rings are identified in the evolutionary history of plants and their association with climate-related ecological characteristics. We discuss the function of these anatomical markers, especially for thick-walled and/or radially flattened latewood fibres, fibre zone and dilated rays. Despite the high evolutionary lability of the anatomical markers evidenced by our analyses, they appear to represent deep homologies.

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COMPARED ANATOMY OF SPECIES OF Calycophyllum DC. (Rubiaceae)

Cited by 5 publications

References 8 publications

The Piedra Chamana fossil woods (Eocene, Peru), II

The Piedra Chamana fossil woods (Eocene, Peru), II

Wood Specifications C

A phylogenetic and functional perspective on the origin and evolutionary shifts of growth ring anatomical markers in seed plants

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