By Fritz Hans Schweingruber, Annett Börner, Ernst-Detlef Schulze
This paintings, released in volumes, includes descriptions of the wooden and bark anatomies of 3000 dicotyledonous crops of one hundred twenty households, highlighting the anatomical and phylogenetic variety of dicotyledonous vegetation of the Northern Hemisphere. the 1st quantity largely treats households of the Early Angiosperms, Eudicots, center Eudicots and Rosids, whereas the second one concentrates at the Asterids.
Presented in Volume 2 are microsections of the xylem and phloem of herbs, shrubs and timber of a thousand species and ca. 35 households of assorted lifestyles types of the temperate region alongside altitudinal gradients from the lowland on the Mediterranean coast to the alpine sector in Western Europe. specified cognizance is given to the very different relations of Asteraceae. the worldwide standpoint of the findings is underlined via the research of four hundred species from the Caucasus, the Rocky Mountains and Andes, the subtropical region at the Canary Islands, the arid zones within the Sahara, in Eurasia, Arabia and Southwest North the USA, New Zealand and the boreal and arctic zones in Eurasia and Canada.
The presence of annual earrings in all lifestyles varieties demonstrates that herbs and dwarf shrubs are a good device for the reconstruction of annual biomass construction and the interannual dynamic of plant institutions. the typical precept of the anatomical expression of secondary development is a key think about knowing evolution and variation tactics in all existence types, from the three cm tall crepide pigmea (Crepis pygmaea) within the alpine quarter to the forty m tall ash (Fraxinus excelsior) in important ecu riparian forests. The examine opens huge fields of study for dendrochronology, wooden anatomy, taxonomy and ecology.
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Extra info for Atlas of Stem Anatomy in Herbs, Shrubs and Trees: Volume 2
Round groups of sclerenchyma between and peripheral to ray dilatations. Root collar of an 80 cm-tall therophyte, meadow, hill zone, Kezmarok, Slovakia. Carduus crispus, transverse section. 43. Phloem resembling a vascular bundle is located between ray dilatations. Polar root of an 80 cm-tall hemicryptophyte, moist meadow, hill zone, Birmensdorf, Zurich, Switzerland. Cirsium arvense, transverse section. 44. Large secretory ducts in the cortex. Root collar of an 80 cm-tall hemicryptophyte, riparian, mountain zone, Turrach, Steiermark, Austria.
Scop. ) Coss. ex Scop. ) Scop. ) All. Cirsium vulgare (Savi) Ten. Crupina crupinastrum (Moris) Vis. Crupina vulgaris Pers. ex Cass. Cynara cardunculus L. Echinops ritro L. Echinops sphaerocephalus L. ) Rchb. ) DC. ) Briq. ) Cass. ) Cass. Onopordum acanthium L. ) Less. ) DC. ) DC. Saussurea schanginiana (Wydler) Fisch. ex Herder Saussurea sp. Scolymus hispanicus L. ) Poir. Serratula tinctoria L. Staehelina lobelii DC. Staehelina dubia L. ) Hrd. et Burt Staehelina unifloscula Soibth. et Sm. ) A.
Remaining vascular bundles in a perennial plant with groups of thickwalled fibers. Rhizome of a 80 cm-tall hemicryptophyte, abandoned field, Mediterranean, Banon, Provence, France. Cirsium tuberosum, transverse section. g. Figs. 12 and 16). The xylem of all perennial plants is semi-ring- or diffuse-porous. g. 14). 23). For the most part, vessels are grouped in 2-4-seriate radial multiples (Figs. 9, 10 and 23). Most vessel perforations are simple, but a few Carduus, Centaurea, Cirsium and Staehelina species have aberrant scalariform perforations (see common features in Figs.