Download PDF by Bernardo Gut: Trees in Patagonia

By Bernardo Gut

ISBN-10: 3764388374

ISBN-13: 9783764388379

This e-book is a consultant to the local timber and nearly ninety five% of the brought arboreal species of Argentine and Chilean Patagonia. Introductory chapters express a survey of what is named 'Patagonia', in addition as of the geology, weather, soils, and plants of Southern South the United States. Keys in response to vegetative characters and richly illustrated descriptions of greater than one hundred seventy species shape the center of the handbook. those chapters are by way of concise entries on afforestations, city timber, and plantations of fruit timber in climatic enclaves. well known specialists describe crucial nationwide Parks of either Argentine and Chilean Patagonia. The final bankruptcy is dedicated to Carl Skottsberg and his amazing day trip via Patagonia 100 years in the past.

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1. Shoots and leaves In angiosperms, the relations between axis and leaves, as well as the general morphological structure of a leaf, fol- low a basic pattern which can be represented by two diagrams: 
  upper side / haz underside envés axillary bud yema axilar leaf blade / lámina o limbo 
   midvein / vena media petiole (stalk) / pecíolo stipule / estípula Fig. 1a: Parts of a simple leaf (after López González, modified). Fig. 1b: Parts of a compound leaf (after López González, modified).

1b: Parts of a compound leaf (after López González, modified). This basic pattern of a simple and a compound leaf, respectively, allows a large number of variations in sev- eral respects. 1. Leaf arrangement a b c d Fig. 2: Leaf arrangement: a: alternate; b: distichous; c: opposite, decussate; d: verticillate, whorled; e: imbricate, overlapping – 35 – e 9. 2. Shapes of a simple leaf blade a b c g k d h l e i m f j n o Fig. 3. Shapes of the leaf apex a b e c f d g h Fig. 4. Shapes of the leaf base a d b e c f Fig.

At present, they are mainly ornamental. Uses: a. Wood: A. pinsapo is quite resistant to putrefaction and used for piles and sleepers. The wood of A. alba Mill. (= A. pectinata DC; European silver fir) and of other Abies species is not very resistant to moisture, but is much appreciated for cabinet making, piling, construction, fencing, packaging, hardboard, etc. b. In medicine: Abies alba, as well as other species of the genus is rich in volatile oils, above all monoterpenoids; these act as expectorants, are antirheumatic, sedatives, and sometimes skin irritants.

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Trees in Patagonia by Bernardo Gut

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