神戸女学院岡田山キャンパスの高等植物相(I) : 総論および各論第1部 : シダ植物門・種子植物門,裸子植物亜門

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  • 神戸女学院岡田山キャンパスの高等植物相(1)総論および各論第1部--シダ植物門・種子植物門,裸子植物亜門
  • コウベジョ ガクイン オカダヤマ キャンパス ノ コウトウ ショクブツソウ 1 ソウロン オヨビ カクロン ダイ1ブ シダ ショクブツモン シュシ ショクブツモン ラシショクブツ アモン

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To make a vascular plant flora of 'Okadayama Campus', Kobe College, Hyogo Prefecture, wild plant species growing in the campus were surveyed, with the deposition of voucher specimens in the laboratory. Okadayama campus is located nearly in the southeastern corner of the Hyogo Prefecture, with the area of 14ha, and the altitude of 8 to 49m above sea level. Climatically, the campus lies in the warm-temperate zones, and under the influence of Seto inland-Sea type climate characterized by little rainfall in midsummer and winter seasons. Nearly 40% of the campus is occupied by the secondary forests dominated by Pinus densiflora, Quercus serrata and Q. valiabilis, or the semi-natural forests dominated by evergreen broadleaved trees such as Cinnamomum camphora, Daphniphyllum teijzmannii, Quercus glauca and Ilex rotunda, etc. 663 species of vascular plants, include 4 subspecies, 18 varieties and 10 forms in 122 families, were recorded from the 'Okadayama campus' and the adjacent area. Main constituents of this flora is a species of the 'Satoyama' forest represented by Pinus densiflora, Quercus serrata, Eurya japonica, Cerasus jamasakura, Lyonia ovalifolia var. elliptica, Rhododendron reticulatum, R. macrosepalum and Abelia spathulata etc., and a species of warm-temperate lucidophyllous forest represented by Dryopteris erythrosora, Cinnamomum japonicum, Photinia glabra, Ilex Integra, Vaccinium bracteatum and Gardenia jasminoides etc. Remarkable feature of this flora is the prevalence of naturalized plants adapted to urban environments, represented by Cerastium glomeratum, Trifolium repens, Plantago virginica, Taraxacum officinalis, Solidago altissima, Stenactis annuus and Bromus catharticus, etc. Among the indigenous species, remnant flora of oligotrophic moor saturated by ground water are found, such as Alnus trabeculosa, Drosera spathulata, Molinia japonica, Carex pudica, Rhynchospora brownii, Schoenus apogon. 30 species were listed for endangered or vulnerable in three red data books issued from Japan Environmental Agency, Research Group of Red Data Book Kinki and Hyogo Prefectural Office, respectively. The first issue of the flora of Okadayama Campus describes plant species include 45 pteridophytes and 6 gymnosperms.

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