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Cystoliths in the secondary xylem of Sparattanthelium (Hernandiaceae) Naturalis
Welle, Ben J.H. ter.
Cystoliths were observed in the secondary xylem of Sparattanthelium (Hernandiaceae). Their shape, size, distribution and chemical composition is described. The systematic value of cystoliths in the Hernandiaceae as well as in general is discussed.
Tipo: Article / Letter to the editor
Ano: 1980 URL: http://www.repository.naturalis.nl/record/534860
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Wood anatomy of the Neotropical Melastomataceae Naturalis
Welle, Ben J.H. ter; Koek-Noorman, Jifke.
The wood anatomy of 47 genera of the neotropical Melastomataceae is described in detail. The wood anatomy of the neotropical part of this pantropical family supports the subdivision into two groups: the subfamily Memecyloideae (the genus Mouriri) and the subfamily Melastomatoideae (all other genera). A relationship of Mouriri with other representatives of the family is not supported by the wood anatomical characters, because of differences in fibre type, vessel distribution, and the fibre length/vessel member length ratio, and the presence of included phloem in Mouriri. The subfamily Melastomatoideae is a fairly homogeneous group. Although some characters are very pronounced in some tribes and scarce or absent in other tribes, most tribes show a wide...
Tipo: Article / Letter to the editor
Ano: 1981 URL: http://www.repository.naturalis.nl/record/525630
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