Comparative seed coat anatomy of the genus Wollemia (Araucariaceae)
УДК 581.8:582.473
Keywords:
Anemochory, endotesta, exotesta, mesotesta, seed, Wollemia nobilis
Abstract
The seed coat anatomy of Wollemia nobilis W. G. Jones, K. D. Hill et J. M. Allen was carried out. In theresult of analysis of transverse sections of seeds the sufficient parenchymatization of seed coats and their differentiationinto three morphogenetic zones – the exotesta, the mesotesta and the endotesta was revealed. Such characters of thespermoderm as differentiation of the mesotesta into several topographic zones, presence of resin cavities in mesotesta, aswell as the participation of both exotesta and mesotesta in making the wing are treated as the archaic ones. The seeds of W.nobilis are of transitional type between exomesotestal and the exotestal type (according to Corner's typology). In generalthe seed coat structure of W. nobilis fits into the divercity of seed coats structure in the family Araucariaceae and is treatedas a progressive type within the family.
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References
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Stockey R. A. The Araicariaceae: an evolutionary perspective // Review of Paleobotany and Palynology, 1982. – Vol. 37. – Pp. 133–154.
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Wheeler E. A., Pearson C. A., LaPasha T. Zack, W. Hatley. Computer-aided wood identification. – North Carolina: Buelletin 474, 1985. – 160 pp.
Baker R. T., Smith H. G. A research of the Pines of Australia // a nature research journal, 1910 – Vol. 85. – Pp. 465– 466.
Barefoot A. C., Hankins F. W. Identification of Modern and Tertiary Woods. – Oxford: Clarendon Press, 1982. – 189 pp.
Bobrov A. V. F. Ch., Melikian A. P. A new class of coniferophytes and its system based on the structure of the female reproductive organs // Komarovia, 2006. – Vol. 4. – Pp. 47–115.
Chambers T. C., Drinnan A. N., McLoughlin S. Some morphological features of Wollemi pine (Wollemia nobilis: Araucariaceae) and their comparison to Cretaceous plant fossils // International Journal of Plant Sciences, 1998 – Vol. 159. – Pp. 160–171.
Cookson I. C., Dugian S. L. Tertiary Araucariaceae from south-eastern Australia, with notes on living species // Australian Journal of Scientific Research, Series B, 1951. – Vol. 4 – Pp. 415–449.
Dettmann M. E., Clifford H. T. Biogeography of Araucariaceae // Australia and New Zealand forest histories: raucarian forests. Ed. J. Dargavel. – Australia and New Zealand: Australian Forest History Society, 2005. – Pp. 1–9.
Florin R. The distribution of conifer and taxad genera in time and space // Acta horti Bergiani, 1963 – Vol. 20 – Pp. 121–312.
Greguss P. Identification of living gymnosperms on the basis of xylotomy – Budapest: Akadémiai Kiadó, 1955. – 263 pp.
Heady R. D., Banks J. G., Evans P. D. Wood anatomy of Wollemi pine (Wollemia nobilis Araucariaceae) // LAWA Journal, 2002. – Vol. 23(4). – Pp. 339–357.
Jane F. W. The structure of Wood. 2nd Ed.– London: A. & C. Black, 1970. – 478 pp.
Jones W. G., Hill K. D., Allen J. M. Wollemia nobilis, a new living Australian genus and species in the Araucareaceae // Telopea, 1995 – Vol. 6. – Pp. 173–176.
Liguo F., Nan L., Mill R. R. Araucariaceae // Flora of China, 1999. – Vol. 4. – Pp. 9–10.
Menendez C. A., Caccavari M. A. Estructura epidermica de Araucaria nathorsi Dus. // Amegheniana, 1966. – Vol. 4 – Pp. 195–199.
Miller C. N. Mesozoic conifers // Botanical Review, 1977. – Vol. 43 – Pp. 218–280.
Miller C. N. The origin of modern conifer families // Origin and Evolution of Gymnosperms, 1988 – Pp. 448–486.
O’Brien T. P., McCully M. E. The study of plant structure: principles and selected methods. – Melbourne: Termacarphy Pty. Ltd., 1981. – 357 pp.
Phillips E. W. J. Identification of softwoods by their microscopic structure // Forest products research Bulletin, 1948. – Vol. 22. – Pp. 1–55.
Stockey R. A. The Araicariaceae: an evolutionary perspective // Review of Paleobotany and Palynology, 1982. – Vol. 37. – Pp. 133–154.
Stockey R. A. Mesozoic Araucariaceae: morphology and systematic relationships // Journal of Plant Research, 1994. – Vol. 107. – Pp. 493–502.
Wheeler E. A., Pearson C. A., LaPasha T. Zack, W. Hatley. Computer-aided wood identification. – North Carolina: Buelletin 474, 1985. – 160 pp.
Published
2020-10-07
How to Cite
Timchenko A. S., Sorokin A. N., Zdravchev N. S., Bobrov A. V. F. C., Romanov M. S. Comparative seed coat anatomy of the genus Wollemia (Araucariaceae) // Проблемы ботаники Южной Сибири и Монголии, 2020. Vol. 19, № 2. P. 134-139 DOI: 10.14258/pbssm.2020091. URL: http://journal.asu.ru/bpssm/article/view/pbssm.2020091.
Section
Systematics of different taxa. Morphology and biology of different species
