Phylogeny and Taxonomy of Carex (Cyperaceae) in Japan II.
New Subsect. Multifoliae Separated from Subsect.
Pisiformes s.l. (Sect. Mitratae)
doi: https://doi.org/10.51033/jjapbot.ID0338
Jiro ODa, Shizuka Fuse, Jun YaMashiTa, Teruo KaTsuYaMa
and Minoru N. TaMura
J. Jap. Bot. 100(6): 489–514 (2025).
（Continued from Acta Phytotax. Geobot. 70(2): 69–85, 2019)
<方法>
DNA解析
・葉緑体DNA plastid regions
: atpBrbcL, rps3-rp116-rpl16, rps16 intron, trnLtrnL-trnF
・核DNA nuclear regions
: ITS
形態
痩果表面微細構造 Achene
葉の断面 Leaf
<結果>
新亜節、新列、種の再定義を提唱
・亜節
1. C. subsect. Pisiformes (s.s.) sect. Mitratae
2. C. subsect. Multifoliae J.Oda & M.N.Tamura, subsect. nov.
・列
1. Carex ser. Multifoliae (J.Oda & M.N.Tamura) J.Oda & M.N.Tamura, stat. nov.
2. Carex ser. Imbecilles J.Oda & M.N.Tamura, ser. nov.
3. Carex ser. Dolichostachyae J.Oda & M.N.Tamura, ser. nov.
・列構成種
1. C. ser. Multifoliae:
C. matsumurae
C. toyoshimae
C. augustini (C. toyoshimae var. augustini)
C. atroviridis
C. hachijoensis
C. kuroshimensis
2. C. ser. Imbecilles:
C. imbecillis
C. pallidisquama
3. C. ser. Dolichostachyae:
C. dolichostachya
・種再定義
1. クロシマナガボスゲ
Carex kuroshimensis J.Oda & M.N.Tamura (sp. nov.)
Holotype: JAPAN. Kagoshima Pref.:
Kuroshima Isl., Mishima-mura, ca. 500 m alt.,
29 Apr. 2011, K.Yamawaki 16133 (KYO).
*Known only from here
Japanese name: Kuroshima-nagabo-suge (Hatusima 1991).
2. ウミノサチスゲ
Carex toyoshimae Tuyama
var. augustini (Tuyama) J.Oda, Katsuy. & M.N.Tamura, comb. & stat. nov.
Japanese name: Uminosachi-suge (Tuyama 1938).
3. アオミヤマカンスゲ
C. pallidisquama (Ohwi) J.Oda & M.N.Tamura (stat. nov.)
Type: JAPAN. Mt. Katsuragi, Prov. Yamato (Nara Pref.), 4 May 1927, Z.Tasiro s.n. (KYO).
Japanese name: Ao-miyama-kansuge (Akiyama 1955).
4. ナゴスゲ
C. dolichostachya var. connatisquama (T.Koyama) J.Oda &
M.N.Tamura (stat. nov.)
(C. dolichostachya from Tokunoshima Isl., Kagoshima Pref.)
Holotype: JAPAN. Okinawa Pref.: Mt. Nagodake, Okinawa Isl., S.Nakamine 988 (RYU, non vidi).
Distribution: Endemic to Japan.
Kagoshima Pref.: Okinoerabu Isl. and Tokunoshima Isl.
Okinawa Pref.: Okinawa Isl. and Ishigaki Isl.
Japanese name: Nago-suge (Matsumura 1905).