Abstract
Populations of seven species ofCalamagrostis growing on Mt. Yakeishidake were studied from a viewpoint of taxonomy. Four of them (C. sesquifolia, C. fauriei, C. matsumurae, C. gigas) were composed of tetraploid plants with 2n=28 and high pollen fertility.C. matsumurae andC. gigas had sympatric contacts, but no sign of their hybridization could be detected. The population ofC. sachalinensis on this mountain included hexaploids (2n=42) and octoploids (2n=56), and no obvious morphological or ecological differences could be found between them. The population ofC. sachalinensis was estimated to include various ecological races which may be continuously graded. InC. langsdorffi, only octoploid plants were found. Plants with 2n=56+0−1B were found in the population ofC. hakonensis. The pollen features of the collections ofC. langsdorffii, C. sachalinesis andC. hakonensis showed that apomictic seed formation may be more or less developed in them. Populations of these species on Mt. Yakeishidake were clearly separated morphologically. It was concluded that the populations of the seven species examined each have a unity and that strains ofC. langsdorffii, C. sachalinensis andC. hakonensis found on Mt. Yakeishidake are confined to those of a derived type.
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References
De Wet, J.M.J. 1971. Reversible tetraploidy as an evolutionary mechanism. Evolution25: 545–548.
Fukuda, I. 1970. A new concept of species and mechanism of speciation. Proc. Japan Soc. Pl. Tax.2: 75–84.
Fukuoka, M. 1966. On the distribution patterns of the so-called Japan Sea elements confined to the Japan Sea region. Jour. Geobot.15: 63–80.
Grant, V. 1971. Plant Speciation. Columbia University Press, New York and London.
Honda, M. 1926. Revisio Graminum Japoniae XI. Bot. Mag. Tokyo40: 434–445.
— 1929. Nuntia ad floram Japoniae II. Bot. Mag. Tokyo43: 189–193.
— 1930. Monographia Poacearum Japonicarum, Bambusoideis excludis. Jour. Fac. Sci. Imp. Univ. Tokyo, Sect. III44: 1–428.
Kawano, S. 1965.Calamagrostis purpurascens R. Br. and its identity. Acta Phytotax. Geobot.21: 73–89.
Kitamura, N. 1965. Yakeishi-dake. Explanatory. Text of the Geological Map of Japan, No. Akita-50. Geological Survey of Japan, Kawasaki.
Koyama, T. 1964. Gramineae.In: S. Kitamuraet al., Coloured Illustrations of Herbaceous Plants of Japan, III: 301–388 Hoikusha, Osaka.
Levin, D.A. 1971. The origin of reproductive isolating mechanisms in flowering plants. Taxon20: 91–113.
Mayr, E. 1970. Populations, Species, and Evolution. Harvard University Press, Cambridge.
Murai, S. (ed.). 1970. Flora of Iwate. Iwate Shokubutsu-no-kai, Morioka.
Nishiyama, K. 1970. Distribution of species ofCalamagrostis in the Tainai Ridge of Mts. Iidesan. Dioscorea5: 38–40.
— 1972. TheCalamagrostis species in Niigata Prefecture. Bull. Nagaoka Municipal Sci. Mus.7: 1–10.
Nygren, A. 1946. The genesis of some Scandinavian species ofCalamagrostis. Hereditas32: 131–262.
— 1948. Some interspecific crosses inCalamagrostis and their evolutionary consequences. Hereditas34: 387–413.
— 1954. Investigations on North AmericanCalamagrostis. Hereditas40: 377–397.
— 1962. Artificial and natural hybridization in EuropeanCalamagrostis Symb. Bot. Upsal.17: 1–105.
Ohwi, J. 1930. Symbolae and Floram Asiae Orientalis. Bot. Mag. Tokyo44: 565–573.
— 1931. Symbolae ad Floram Asiae Orientalis II. Bot. Mag. Tokyo45: 183–197.
— 1936. A revision of the Japanese species ofCalamagrostis Acta Phytotax. Geobot.5: 225–242.
— 1965. Flora of Japan, 2nd Ed., Shibundo, Tokyo.
Okuyama, S. 1953. Handbook for Plant Collectors. Yoda-shoten, Tokyo.
Ornduff, R. 1969. The systematics of populations in plants.In: C.G. Sibley, ed., Systematic Biology, pp. 104–132. National Academy of Sciences, Washington.
Takeda, H. 1910. NouvellesCalamagrostis du. Japon. Bot. Mag. Tokyo23: 36–45.
Tateoka, T. 1954. Karyotaxonomy in Poaceae. II. Somatic chromosomes of some species. Cytologia19: 317–328.
— 1955. Karyotaxonomy in Poaceae. III. Further studies of somatic chromosomes. Cytologia20: 296–306.
— 1968. Notes onCalamagrostis hakonensis (Gramineae). Bull. Natn. Sci. Mus. Tokyo11: 293–298.
— 1972a. An analysis of theCalamagrostis longiseta complex in Mt. Echigo-Komagatake. Bull. Natn. Sci. Mus. Tokyo15: 385–394.
— 1972b. Cytotaxonomic studies ofCalamagrostis sachalinensis and its relatives in Mt. Shiomidake. Bull. Natn. Sci. Mus. Tokyo15: 461–473.
Tzvelev, T.T. 1964. Gen.Calamagrostis Adans.In: A. Tolmachev, Arkticheskaya Flora SSSR II Gramineae, pp. 51–75. Academy of USSR, Moskow—Leningrad.
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Tateoka, T. A taxonomic study of the genusCalamagrostis on Mount Yakeishidake. Bot Mag Tokyo 86, 103–120 (1973). https://doi.org/10.1007/BF02488519
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DOI: https://doi.org/10.1007/BF02488519