The Systematic Wood Anatomy of the Moraceae (Urticales) V. Genera of the Tribe Moreae Without Urticaceous Stamens

Abstract

The wood anatomy of the Moreae without urticaceous stamens is described in detail. Generic descriptions of the following genera are provided: Antiaropsis, Artocarpus, Bagassa, Batocarpus, Clarisia, Parartocarpus, Poulsenia, Prainea, Sorocea, Sparattosyce, and Treculia. Wood anatomical variation below the genus level is very limited, except in the genus Clarisia. Intergeneric variation, however, is much more evident. Most genera can be recognised by the presence or absence of septate fibres, and of radial latex tubes, the size of the intervascular pits, the parenchyma distribution, and crystal distribution. The diagnostic and taxonomic value of several characters is discussed.

Fossil woods from early Miocene sediments of the El Cien Formation, Baja California Sur, Mexico

“…The other Moraceae genera with relatively large amounts of axial parenchyma and homocellular rays are Clarsia, Parartocarpus and Morus. However, they can be differentiated by the number of cells per parenchyma strand: Morus and Clarisia have 2-4 cells per strand (ter Welle et al, 1986a,b), whereas Parartocarpus has 3-4 cells per strand (ter Welle et al, 1986b). Both the El Cien woods and the extant species of Ficus have longer parenchyma strands, i.e.…”

Wood Anatomical Structure of Morus alba L. and Morus nigra L., Native to Iran

“…Noteworthy differences between woods of M. alba and the other species studied by Ter Welle et al (1986) include: diffuse porous distribution of vessels and absence of spiral thickenings in M. insignis; presence of aliform parenchyma in M. macroura; diffuse porous distribution of vessels, absence of helical thickenings and presence of parenchyma in wavy bands in M. meozygia; ring porous distribution of vessels and presence of aliform parenchyma in M. rubra. Differences between woods of M. nigra and the other species studied include: diffuse porous distribution of vessels and absence of aliform paranchyma in M. insignis, diffuse porous distribution of vessels and presence of helical thickenings in M. macroura, diffuse porous distribution of vessels and absence of aliform parenchyma in M. meozygia, and presence of helical thickenings in M. rubra.…”

“…The genus Morus L. (Moraceae), represented by 13 species, is distributed almost throughout the world especially in temperate and tropical zones of Asia and Africa (Mabberley, 2008). It occurs in various forest types, from sea level up to 2500 m (Ter Welle et al, 1986). Ter Welle et al (1986) studied anatomical features of all genera of the family Moraceae.…”

“…It occurs in various forest types, from sea level up to 2500 m (Ter Welle et al, 1986). Ter Welle et al (1986) studied anatomical features of all genera of the family Moraceae. In their research, anatomical features of the species of the genus Morus were described.…”

Fossil wood from the lower Miocene of Myanmar (Natma Formation): palaeoenvironmental and biogeographic implications

“…(which has no tylosis). According to TerWelle et al (1986), Artocarpus has common tyloses, non-septate fibres, heterocellular mostly 3-5-seriate rays with 1-2 (5) upright or square marginal cells,…”