植物研究雑誌 J. Jpn. Bot. 81: 91-97 (2006) , Salix dolichostyla SeemenaC orrect Name for S. jessoensis Seemen (Salicaceae) Hiroyoshi OHASHla and Hideki NAKAlb aBotanical Garden,To hoku University,Se ndai,98 0-0862 JAPAN; E-mail: [email protected] .-l Sapporo,OOl JAPAN (Received on October 5,2 005) Salix jessoensis Seemen is as ynomym of S. dolichostyla Seemen. New combina- tions for the infraspecific taxa and names of hybrids of S. dolichostyla are presented. Salix dolichostyla has been recorded from the Russian Far East,bu t is endemic to Jap an. Lectotype of S. jessoensis is designated. Key words: hybrids,J apan,n ew names,S alicaceae,Sa lix. Sαlix dolichosηla Seemen has been re- the Russian Far East (Nasarov 1936, garded as as ynonym of S. eriocarpa Franch. Voroschilov 1966,V orobiev et al. 1966),bu t & Sav. by Koidzumi (1913),O hwi (1953, following the work of Skvortsov (1968) the 1965a, 1965b),C hou et al. (1984),F ang name has been replaced with S. pierotii et al. (1999) and Ohashi (2000) or as as yno- (Czerepanov 1973, Voroschilov 1982, nym of S. pierotii Miq. by Skvortsov (1968), Nedoluzhko 1995). These treatments may in- Kitamura and Murata (1979),V oroschilov dicate that true S. dolichostyla is not distrib- (1982) and Nedoluzhko (1995). However, uted in the Russian Far East. Salix Seemen (1901) c1early described the yellow dolichostyla was described from northern- anthers of the species in the original descrip- most Honshu,A omori,J apan and is at pre- tion and in Salices Japonicae (1903),w hile sent endemic to Jap an. S. eriocarpa and S. pierotii have red anthers. Ohashi (2001) regarded Salix dolichostyla Both species are accommodated in section Seemen as identical with S. jessoensis Subalbae Koidz. of subgenus Salix in which Seemen,b ut treated the name of the former the Japanese species are divided by differ- as as ynonym of the 1att er ,a lthough it was ence of the anther color before dehiscence published two years earlier than the latter. into two groups. Sαlix eriocarpa and S. The coectnomenc1ature of the species and 町 pierotii have red anthers,w hile S. babylonica its infraspecific taxa follows: L., S. matsudana Koidz., S. jessoensis Seemen and S. yoshinoi Koidz. have yellow Salix dolichostyla Seemen in Bot. Jahrb. anthers (Ohashi 2001). Skvortsov (1968) Syst. 30: Beibl. 67: 39 (1901) [Type: Japan. treated S. dolichostyla,S . eriocarpa and S. Aomori. Faurie 1260 (B-syntypes,m ale and jessoensis as synonyms of S. pierotii,a l- female specimens were recorded by Hao though he characterized S. pierotii in having 1936)] & Salic. Jap.: 26,ta b. 2( 1903); Hao bright orange anthers when alive. Salix in Repert. Spec. Nov. Regni Veg. Beih. 93: dolichosηla had been adopted in floras of 65 (1936). -91- 92 植物研究雑誌第81巻第2号 平成18年4月 Fig. 1. Lectotype of Salix jessoensis Seernen in SAPS. The left one and right two branches having rnale catkins (collected on 18 May 1891) are selected as the lectotype in the present study. The two leafy branches are syntypes of S. jessoensis Seernen (collected on 15 Oct. 1891). April2006 Journal of Japanese Botany Vo .l81 No. 2 93 Fig. 2. Two syntypes (SAPS) of Salix jessoensis Seemen with female (branches except the right one col- lected on 18 May 1891) and fruit catkins (right one branch collected on 7J une 1891). 94 植物研究雑誌第81巻第2号 平成18年4月 Salix jessoensis Seemen,S alic. Jap.: 31, TUSK-iso.)]. 四 tab. 3 (1903) [Lectotype (designated here): Salix jessoensis subsp. serissifolia Japan. Hokkaido. Sapporo. Tokubuchi s. n. (Kimura) H. Ohashi in J. Jpn. Bot. 75: 17 18 May 1891. Three branches with male (2000), ut "serissaefolia"; H. Ohashi & inflorescences (SAPT)]; H. Ohashi in Sci. Yonek. in 1. Jpn. Bot. 81: 38 (2006). Rep. Tohoku Univ. ser. 4,B iol. 40: 318 Japanese name: Kogome-yanagi. (2001),p . p.,e xcl. S. yoshinoi Koidz.,S. f. pendula (Okuhara) H. Ohashi & H. pseudoyoshinoi Koidz.; H. Ohashi & Yo nek. Nakai,c omb. nov. in J. Jpn. Bot. 81: 38 (2006). Salix serissifolia Kimura f. pendula Sαlix dolichostyla var. hirosakensis H. Okuhara in Fl. Nagano Pref.: 1507 (1997); T. Lev. & Vaniot in Repert. Spec. Nov. Regni Shimizu in J. Phytogeogr. Taxon. 46: 114 Veg. 3: 22 (1907); [Type: Japan. Honshu. (1998) [Type: Japan. Honshu. Nagano Pref. Hirosaki. secus aquas,7 - 8 m alta,J un e Hata-machi,Os hide. (SHIN 149851-holo.)]. (originally May) 1905,F aurie 6602 (E- Japanese name: Shidare-kogome-yanagi. holo.),cf . Lauener & McKean in Notes Roy. Seemen (1901) cited two specimens in the Bot. Gard. Edinb. 41: 176. 1983]. original description of Salix dolichostyla Salix hondoensis Koidz. in Bot. Mag. Seemen; Faurie 1259 and 1260. Hao (1936) Tokyo 27: 88 (1913) [Type: Japan. Honshu. selected the latter specimen as the type of the Yamagata Pref. (Prov. Uzen). Minami- name and recorded it as“(Faurie) 1260 okitama-gun,S eki-no-sanson. G. Koidzumi (type! ♂♀ in Herb. Berlin)". Hao cited s. n. (♀fl.). May 1910. (TI-lecto. designated male and female specimens. Ohashi (2001) by A. Kimura 1981)]; C. K. Schneid. in regarded Hao' ss election as lectotypification, S g.,Pl. Wilson. 3: 110 (1916); Rehder in J. but Faurie 1260 should be regarded as 紅 Am. Arb. 10: 114 (1929); Makino & syntypes. Wea re searching duplicate speci- Nemoto,F l. Jap. ed. 2: 166 (1931). mens ofFaurie 1259 and 1260 at the moment Salix hirosakensis (H. Lev. & Vaniot) for further typification. Koidz. in Bot. Mag. Tokyo 27: 264 (1913), The type of Salix jessoensis Seemen has nom. illeg.,ut “(Levl.) Koidz." been recorded by Seemen (1903) as “Japan: Salix eriocarpαauct. non Franch. & Sav.: Insel Jesso: Sapporo (Tokubuchi 1891,i n Tokubuchi in Bot.島1ag.Tokyo 10: page Herb. Sapporo Agric. Coll.)九 and Hao (122) (1896). (1936) quoted the type as“Tokubuchi (type! Salix pierotii auct. non Miq.: Skvortsov, ♂♀ in Herb. Berlin)". The specimens in B Willows USSR: 113 (1968),p. p. incl. syn. were syntypes,b ut no longer survive. There cit. S. dolichosηla; Nedoluzhko in are three sheets designated merely as type in Charkevicz,P l. Vascul. Orient. Extr. Soviet. SAPS which is currently Herb. Sapporo 7: 169 (1995),p. p. Agric. Coll. (now the Herbarium in Japanese name: Shiro-yanagi. Hokkaido University Museum, Hokkaido subsp. serissifolia (Kimura) H. Ohashi & University,S apporo). They are Tokubuchi s. H. Na kai,c omb. nov. n. collected on 18 May 1891 and 15 Oct. f. serissifolia (Kimura) H. Ohashi & H. 1891 in Sapporo,P rov. Ishikari (Fig. 1); Nakai,c omb. nov. Tokubuchi s. n. collected on 18恥1ay1891 Salix serissifolia Kimura in Bot. Mag. and 7 June 1891 at Nakajima Park in Tokyo 40: 639 (1926),u t“S. serissaefolia" Sapporo (Fig. 2); and Tokubuchi s. n. col- [Type: Japan. Honshu. Shizuoka Pref. (Prov. lected on 1J uly 1891 at“Toyohira hen" in Suruga). prope Subashiri,p ede Fujisan. A. Sapporo. The first-listed sheet is composed n Kimura 197 (♀ ふ12May 1924. (TI-holo.; of five branches of which three have male Apri12006 Journal of Japanese Botany Vo .181 No. 2 95 Fig.3. Salix xy uhkii Kimura. Prov. Uzen: Yonezawa,(c ult.). fol. 24 Sept.l949,fl. (isotype) 24 Apr. 1950, A. Kimura 3046 (TUS-K). 96 植物研究雑誌第81巻第2号 平成18年4月 catkins and two have mature leaves,h ence babylonica L. var. lavallei Dode xS . the three flowering branches must have been hondoensis Koidz. collected on 18 May 1981 and the two others = Salix babylonica L. x S. dolichosηla on 15 October. The second-listed one is three Seemen subsp. dolichosりlla. branches of which two have female catkins Japanese name: Yuki-shidare. and one fruits,a ccordingly the former were probably collected on 18 May 1891 and the References latter on 7J une 1891. The third-listed one Chou Y. L,F ang C. F., Zhao S. D.,Y u C. Y.,Y ang C. has two branches with fruits and mature Y. and Chao N. 1984. Salicaceae. Fl. Reipubl. leaves which probably co町espondto the Popul. Sin. 20(2). 403 pp. Science Press,B eijing (in Chinese). syntype of S. jessoensis Seemen of the fig. Czerepanov S. K. 1973. Additamenta et corrigenda ad 41 in Hao (1936). We select the three Floram URSS (tomi I-XXX). 667 pp. Nauka, branches with male catkins on the first speci- Leningrad. men as lectotypes of S. jessoensis Seemen Fang Z. F.,Z ho S. D. and Skvortsov A. K. 1999. (Fig. 1). These branches are recognized to be Salicaceae. Flora of China 4: 139-274. Science Press, Beijing and Missouri Botanical Garden collected by Tokubuchi from as ingle佐eeat Press,S t. Louis. the same time. Hao K. S. 1936. Synopsis of Salix. Repert. Chines~ Salix dolichosηla is supposed to have pro- Spec. Nov. Regni Veg. Beih. 93: 1-123,pl s. 1-44. duced two hybrids with S. babylonica L. The Kitamura S. and Murata G. 1979. Salicaceae. Coloured older name for the hybrids at the specific Illustrations of Woody Plants of Japan 2: 303-340. rank is Salix xlasiogyne Seemen. Their Hoikusha Publishing Co. Ltd.,O saka (in Japanese). Koidzumi G. 1913. Spicilegium Salicum Japonensium names are as follows: Novarum aut Imperfecte Cognitarum. 1. Bot. Mag. Tokyo 27: 87-97. 11. Bot. Mag. Tokyo 27: 264- Salix xlasiogyne Seemen,S alic. Jap.: 32, 267. tab. 4. figs. A-C (1903),p ro sp.,e xcl. Nasarov M. 1. 1936. Salicaceae. Chosenia & Salix. specim. ex Korea [Type: Japan. Kanagawa Flora URSS 5: 23-216. Nauka, Moskva (in Russian). Pref. (Prov. Sagami). Yamakita. Faurie 3702 Nedoluzhko B. A. 1995. Salicaceae. Plantae (♀). 8M ay 1899 (KYO-lecto. designated Vasculares Orientis Extremi Sovietici 7: 145-212. by Kimura 1984)]; Kimura in J. Jpn. Bot. Nauka,S ankt Petersburg (in Russian). 59: 271 (1984),a s Salix babylonicαL. xS. Ohashi H. 2000. As ystematic enumeration of Japanese serissaefolia Kimura; H. Ohashi in J. Jpn. Salix (Salicaceae). J. Jpn. Bot. 75: 1-41. Bot. 75: 34 (2000) & in Sci. Rep. Tohoku 一一2001.Salicaceae of Japan. Sci. Rep. Tohoku Univ.,4 s e ,.rBiol. 40(4): 269-396. Univ. ser. 4,B iol. 40: 374 (2001). 一一-and Yo nekura K. 2006. Additions and nothosubsp. lasiogyne Corrections in Salicaceae of Japan 1. 1. Jpn. Bot. = Salix babylonicαL. x S. dolichosηla 81: 35-40. Seemen subsp. serissifoliα(Kimura) H. Ohwi J. 1953. Salicaceae. Flora of Japan. pp. 395-408. Ohashi & H. Nak但ai. Shibundo,T okyo (in Japanese). Jap anese nameι: S悩hlIro-引sid紅are-う. 一一一pp.1 936651a.-36S9al.i cSamcieateh.s oFnlioarna Ionsft iJtautpiaonn,,eW d a. shEnignlgitsoh.n not由hos叩ubs叩p.yuhkii (Kimura) H. Ohashi in D.C. J. Jpn. Bot. 75: 34 (2000). 一一一 1965b.Salicaceae. Flora of Japan,re vised ed. pp. Salix xyuhkii Kimura in Sci. Rep. Tohoku 462-476. Shibundo,T okyo (in Japanese). Univ. ser. 4,B iol. 18: 544,f ig. 1( 1950) Seemen O. von. 1901. Vier neue Weidenarten aus [Type: Jap an. Honshu. Yamagata Pref. Japan. Bot. Jahrb. Syst. 30: Beibl. 67,3 9-41. 1903. Salices Japonicae. 83 pp., tt. 1-18. (Prov. Uzen): Yonezawa,c ult. A. Kimura 一一一 Gebruder Bomtraeger,L eipzig. 3046 (♀fl.). 24 Apr. 1950. (TUSK-lecto. 同 Skvortsov A. K. 1968. Willows of the USSR A designated by Kimura 1981)] as Salix Apri12006 Journal of Japanese Botany Vo .l81 No. 2 97 taxonornic and geographic revision. 260 pp. Nauka, Russian). Moscow (in Russian). Voroschilov V. N. 1966. Flora of Soviet Far East. 477 Vorobiev D. P.,Vo roschilov V. N.,G orovoj P. G. and pp. Nauka. Moskva (in Russian). Schreter A. 1. 1966. Key to the plants of Primorie 一一一 1982.Key to the plants of Soviet Far Eas .t672 and Priarnurie. 490 pp. Nauka. Moskva (in pp. Nauka. Moskva (in Russian). 大橋広好,中井秀樹 .シロヤナギの正名および a b 種内分類群と関連雑種の学名 Ohashi (2001)はそれまでジャヤナギSalixerio- Salix dolichostachya var. hirosakensis H. Lev. & caψaF ranch. &S av.の異名またはオオタチヤナギ Vaniot はFaurie6602 (E) をタイプとする学名で S. pierotii Miq.の異名とされてきた S.dolichosryla あり ,Sa!ixd olichostylaと同じく青森県から記載 Seernenを新たにシロヤナギS.jessoensis Seemen された.この変種を種とみなして小泉 (1913)は の異名とみなした.しかし, S. dolichostyla Seemen S. hirosakiensis (H. Lev.) Koidz.とする新組み合わ (19 01) はS.jessoensis Seernen (19 03) よりも 2 せを発表したが,この学名の下に同じ年でもより 年早く発表されているので,この学名がシロヤナ 早く発表した同種のS.hondoensis Koidz.を異名と ギの正名となる. S. dolichosηlaは蔚が黄色であ して引用しており,これは不要名である.なお. ると原記載で明記されており,この点でシロヤナ S. hondoensis Koidz.は山形県から記載され, レク ギと一致するが,赤であるジャヤナギやオオタチ トタイプG.Koidzumi s. n. May 1910.は東大にあ ヤナギ(中国での記載による)と異なっている. る. Salix dolichostylaはAornori(leg. Abbe U. Faurie シロヤナギとシダレヤナギの雑種の学名は種ラ 6M ay 1898,n o. 1259,1 260) をタイプとして記載 ンクでコゴメヤナギとシダレヤナギの染色干重である され, 2点のシンタイプに基づいていた. Hao シロシダレヤナギSalixxl asiogyne Seernenが先に (1936) はno.1260をレクトタイプとしたカf,こ 発表されているので,シロヤナギとシダレヤナギ れには雄と雌の標本が混ざっているので,やはり の雑種であるユウキシダレは Salixxlωiogyne シンタイプとみなすべきものであり,雄か雌のい nothosubsp. yuhkii (Kirnura) H. Ohashiとなる. ずれかをレクトタイプと指定しなければならない. 北海道大学総合博物館高橋英樹教授にはお!ix Salix jessoensis Seernenのタイプは徳淵1891で札 jessoensis Seemenのタイプを調べた際にお世話に 幌農学校にあると原記載に引用されている.これ なった.京都大学博物館福田知子氏には Salix がホロタイプと考えられていたが,実際には徳淵 dolichosηla Seemenのタイプである Faurie標本重 永治郎によって1891年5月から10月の聞に異なる 複品がKYOにあるかどうか調べていただいた. 3地点で採集された3枚5点の標本があり,これ お二人にお礼申し上げます. らはシンタイプに相当する.この中から1891年5 (a東北大学植物園津田記念館, 月18日に採集された雄花序をつけた枝をおlix b札幌 jessoensisのレクトタイプとした.