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Wood Anatomy of Onagraceae: Additional Species and Concepts
Annals of the Missouri Botanical Garden
Vol. 64, No. 3 (1977), pp. 627-637
Published by: Missouri Botanical Garden Press
Stable URL: http://www.jstor.org/stable/2395258
Page Count: 11
You can always find the topics here!Topics: Wood structure, Ravens, Species, Wood, Parenchyma, Xylem vessels, Plant ecology, Diameters, Botanical gardens, Biological taxonomies
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Wood anatomy of Epilobium colchicum subsp. colchicum, Fuchsia excorticata, and Hauya heydeana is described qualitatively and quantitatively. For the latter two species, large logs were available and wood portions from both inside and outside were analyzed. Although these three species offer no features new for Onagraceae, each adds features new for its respective genus. By means of numerical indices which are termed vulnerability and mesomorphy, respectively, values are presented to show the range in ecological characteristics of woods of the three species, as well as of all Onagraceae studied earlier. Onagraceae show a wide range in these indices and probably form a good model of what use indices in families with a broad ecological range will demonstrate. Wood from inside of logs of Fuchsia excorticata and Hauya heydeana is more xeromorphic than wood from the periphery.
Annals of the Missouri Botanical Garden © 1977 Missouri Botanical Garden Press