Die Plantfamilie Asteraceae: 4 Interessante groeivorme en ekonomies belangrike soorte

Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie/South African Journal of Science and Technology

 
 
Field Value
 
Title Die Plantfamilie Asteraceae: 4 Interessante groeivorme en ekonomies belangrike soorte The plant family Asteraceae: 4 Interesting growth forms and economic importance
 
Creator Herman, P. P.J.
 
Subject — — — —
Description Die plantfamilie Asteraceae bevat ’n ryke verskeidenheid en interessante groeivorme soos eenjarige en meerjarige kruide, dwergstruike, struike, bome, slingerplante, sukkulente, waterplante, rosetplante, kussingplante, heide-agtige plante, platgroeiend, grasagtig  en doringrig. Die blare vertoon ook baie variasie in vorm en ander kenmerke byvoorbeeld afwisselend, teenoorstaande, saamgepak, sittend, gesteeld, enkelvoudig, gaafrandig, getand, gelob of diep verdeeld, saamgesteld, met drie tot vyf hoofare, gereduseer of heeltemal afwesig, glad of baie harig op die boonste of onderste oppervlakke. Soms is melksap teenwoordig en sommiges is aromaties. Sommige verteenwoordigers van die familie is ekonomies belangrik; sommiges is eetbaar of word vir medisyne gebruik terwyl ander giftig is, sommiges word as veevoer benut maar ander is onkruide en die hout van sommiges is in die verlede gebruik. The plant family Asteraceae contains a wealth of different and interesting growth forms like annual or perennial herbs, dwarf shrubs, shrubs, trees, climbers, succulents, aquatic plants, rosette plants, cushion plants, ericoid, prostrate, grass-like and spinescent. The leaves also exhibit numerous different shapes and characters, e.g. alternate, opposite, fascicled, sessile, petiolate, simple, entire, dentate, lobed or pinnate, compound, with three to five main veins, reduced or absent, glabrous or densely hairy on upper or lower surface. Sometimes latex is present and some plants are aromatic. Certain members of the family are also economically important; some are edible or used as medicine while others are poisonous, some are utilised as grazing but others are weeds, and the wood of some was used in the past.
 
Publisher AOSIS
 
Contributor — —
Date 2002-09-28
 
Type info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion — — — —
Format application/pdf
Identifier 10.4102/satnt.v21i3.235
 
Source Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie; Vol 21, No 3 (2002); 108-110 Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie; Vol 21, No 3 (2002); 108-110 2222-4173 0254-3486
 
Language eng
 
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https://journals.satnt.aosis.co.za/index.php/satnt/article/view/235/222
 
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Rights Copyright (c) 2002 P. P.J. Herman https://creativecommons.org/licenses/by/4.0
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