Page 12 - 《广西植物》2020年第1期
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8                                      广  西  植  物                                         40 卷
       Basionym: Trapa japonica Flerov var. magnico ̄  Skvortzovꎬ in Bull. Jard. Bot. Princip. 26: 630. 1927. ≡
   rona Z. T. Xiongꎬ in J. Wuhan Bot. Res. 3: 161.   T. manshurica Flerov f. komarovii (Skvortzov) S.H. Li &
   1985. Type: CHINAꎬ Hubeiꎬ Yangxinꎬ 1982ꎬ          Y.L. Changꎬ in Fl. Pl. Herb. Chin. Bor. Or. 6: 137.
   Z. T. Xiong 316 (holotype: WH!).                  1977. Type: CHINAꎬ near Harbin and Taolaizao Stationꎬ
       Synonym:     Trapa   japonica  Flerov  var.   collector and number unknown.
   longicollum Z. T. Xiongꎬ in J. Wuhan Bot. Res. 3:     Synonym: Trapa acornis Nakanoꎬ in Bot.
   161. 1985. Type: CHINAꎬ Hubeiꎬ Xiaoganꎬ 1982ꎬ     Mag. (Tokyo) 77: 165. 1964. ≡ T. bicornis Osbeck
   Z. T. Xiong 443 (holotype: WH!)ꎻ syn. nov.        var. acornis ( Nakano) Z. T. Xiongꎬ in J. Wuhan
       Trapa litwinowii V. N. Vassil. in Komarovꎬ    Bot. Res. 3: 160. 1985. Type: CHINAꎬ near Shang ̄
   Fl. URSS 15: 694. 1949. Type: RUSSIAꎬ Vallis      haiꎬ Nakano s. n. ( holotype: Nakano Herbarium)ꎻ
   fl. Ussuri inter Dsoadsa et Kindaꎬ 18 Aug. 1855ꎬ  syn. nov.
   C. Maximowicz s.n. (holotype: LE!).                   Trapa  quadrispinosa  Roxb.ꎬ  Hort.  Bengal.
       Trapa litwinowii V. N. Vassil. var. chihuensis  11. 1814. ≡ T. bicornis Osbeck var. quadrispinosa
   S. F. Guan et Q. Langꎬ Bull. Bot. Res. ( Harbin) 7  ( Roxb.) Z. T. Xiongꎬ in J. Wuhan Bot. Res. 3:
   ( 1 ): 77. 1987. Type: CHINAꎬ Jiangxiꎬ Chihu      160. 1985. Type: KASHMIRꎬ Dal Lakeꎬ 2 Aug.
   Lakeꎬ 20 Sept. 1984ꎬ Y. D. Chenꎬ S. F. Guan &     1917ꎬ R. R. Stewart 3315 / 2 ( lectotype: Kꎬ desig ̄
   Q. Lang 779 (holotype: PE!).                      nated by Vassiljev in 1960)ꎻ syn. nov.
                                  冠菱  Fig. 3: C          Trapa quadrispinosa Roxb. var. yongxiuensis
       This variety is similar to Trapa natans var. natans  W. H. Wanꎬ in J. Jiangxi Univ. (Nat. Sci.) 15(2):
   in having the fruits with conspicuous beaksꎬ crowns  75.  1991.  Type:  CHINAꎬ  Jiangxiꎬ  Yongxiuꎬ
   large and reflexedꎬ but differs in having the fruits lat ̄  Jiangyiꎬ W. H. Wan 780008 ( holotype: JXU!)ꎻ
   erally compressedꎬ with two lower horns degenerated.  syn. nov.
       Additional collections studied. China. Hei ̄                             四角菱  Fig. 3:Dꎬ H
   longjiang: Harbinꎬ C. Z. Zheng 6332 ( HZU )ꎬ          This variety has 4 ̄horned fruitsꎬ but differs from
   Y. L. Chang & S. D. Zhao 2766 ( IFP)ꎻ Qiqihaerꎬ   Trapa natans var. natans in having fruits inconspi ̄
   Z. S. Qin & C. F. Fang 101 ( IFP )ꎻ Songjiangꎬ    cuously beaked and crowned. The fruit bodyꎬ horn
   D. C. Zhao et al. 1310 ( IFP )ꎬ Y. L. Chou 1310   shape and lengthꎬ and exocarp color of T. natans
   ( IBSC ). Hubei: Wuchangꎬ Tangsun Lakeꎬ B. Y.     var. komarovii are various and unstableꎬ especially in
   Ding & R. Y. Hu 6261 ( HZU). Jiangxi: Yongxiuꎬ    cultivated individuals. This variety is wildly distributed
   W. H. Wan s.n. (JXU). Jilin: Fuyuꎬ S. D. Zhao &   in Chinaꎬ as well as Indiaꎬ and many cultivated types
   Y. L. Chang 2734 (IFP)ꎬ 2742 (IFP!)ꎬ Y. L. Chang  occur now.
   & S. D. Zhao 2758 (IFP)ꎬ 2759 (IFP)ꎬ S. D. Zhao       Additional collections studied. China. Anhui:
   & Y. L. Chang 2735 (IFP).                         Quanjiaoꎬ East China Exped. 3506 ( PE)ꎻ Wuhuꎬ
       Distribution. China (Heilongjiangꎬ Henanꎬ Hu ̄  B. Y. Ding et al. 6217 (HZU). Fujian: without pre ̄
   beiꎬ Jiangxiꎬ Jilinꎬ Liaoning )ꎬ Japanꎬ Korea and  cise localityꎬ S. T. Dunn 2726 ( IBSC). Hainan:
   Russia.                                           Lingshuiꎬ Z. S. Diao s. n. ( YZU). Hebei: Anxinꎬ
       Note. Trapa japonica var. magnicoronaꎬ T.     Baiyangdianꎬ B. Y. Ding 6340 (HZU). Hubei: Jing ̄
   japonica var. longicollumꎬ T. litwinowii var. chihuensis  menꎬ H. Migo s. n. ( IBSC )ꎻ Wuchangꎬ Tangsun
   and T. macropoda var. bispinosaꎬ which had the fruits  Lakeꎬ B. Y. Ding & R. Y. Hu 6246 ( HZU ).
   with conspicuous beaks and crowns ( Xiongꎬ 1985ꎻ  Hunan: Jiangpuꎬ Z. S. Diao 2022 ( YZU ).
   Guan & Langꎬ 1987ꎻ Wanꎬ 1991). These four varieties  Jiangsu: Hongzeꎬ B. Y. Ding & X. D. Lu 6440 (HZU)ꎬ
   are synonymized hereꎬ as well as T. octotuberculata.  B. Y. Ding et al. 6232 (HZU)ꎻ Jiangningꎬ anonymous
       2c. Trapa natans L. var. komarovii (Skvortzov)  6591 (NAS)ꎻ Nanjingꎬ J. J. Gong 801 (NAS)ꎻ Wuxiꎬ
   B. Y. Ding & X. F. Jinꎬ comb. nov.                Y. W. Law 3029 ( NAS ). Jiangxi: Nanchangꎬ W.
       Basionym:Trapa amurensis Flerov var. komarovii  H. Wan 79006 (JXU)ꎻ Yongxiuꎬ W. H. Wan 780008
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