A REVISION of the GENUS GLYCINE and ITS IMMEDIATE ALLIES by F
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2 8 2 5 2 8 2 5 :; 11111 . 11111 . :; 11111 . 11111 . 1.0 32 W 1 2.2 I~ ~i~ ~ .2 L:l I~ .:." I~ ~ - Ui &:.: ii.:.& ~ D~ 2.0 &.u'" ......" ... " 1.1 .. 1.1 1..II.:.u --- -- - 111111.8 II - 111111.25 11111 1.4 III ~ 111111.25 111111.4 111111.6 MICROCOPY RESOLUTION TEST CHART MICROCOPY RESOLUTION TEST CHART NATIONAL BUREAU OF STANDARDS·1963·A NATIONAL BUREAU OF STANDAROS-l'l63·A (\ Technical Bullctin No. 126& <.":. " ' ;i-..OO""lTEDSTATES OF AGRJGULTU:(lE :~,..,1j(("":~" .. .' " DEPARTME~T'-',"' ~, ... ~f:; 'Agricultural Research Service CONTENTS Pa::~ Introduction_______________ 0_ _ _ __ _ _ __ _ _ _ _ ___ ____________ _ _ _ 1. Taxonomic history of thc gcnus CHycine_______________________ :3 Taxonomy _________________ • ____ _ _ ____________ _ __ ___ _ _ _ __ _ 5 Kcy to gcncra rclatcd to Glycine_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .5 Sy;;tematic list of Glycine and its immcdiatc nllics _ _ _ _ S GlychlC_____________________________________ _________ 9 Subgenus L(,n··)cyamus ____________________ .. 10 Subgenus Glyclnc________________________ . 2·1 Subgenus Soja_________________________ . _ au Spccics cxcluded from Glycine _________ .. _. __ . 41 Parnglycinc_______________________ "_ • __ . 52 Pscudoglycine__________________ . _•• _______ •. __ ._. ___ 7-1 Tcylcria____________________ .. _. ______ ... __ 77 Indcx. ____________________ . S [ Washington, D.C. , \ ! ~ (, -~) ) L.\~3-! ERRATUI'!l U. Se Dept. Agr. Technical Bulletin 1268, A REVISION OF THE GENUS GLYCINE ArID ITS n<II:EDIATE ALLmS Issued pecember 1962 ~ease> 1nsert. I the following description and notat10n. of range ;:tjr iCtem ~b. Paraglycine radicosa var. ~eaneura, page 6S: ~ .... j I rL "...,! o I ~ ttem.$, p;2tioles, and peduncles fulvous-brown strigose or s ~ig6se-llir:;~'U te; leaflets oval to oboval, twice as long as wide or less, usually strigose beneath, with generally 8-9 pairs of secondary lnerves;1 racemes loosely flowered; caly:c moderately strigose with lax, whitish or pale-bro,;m hairs about 0.5 rom. long; corolla generally 6.5-9 rom. long, whitish to pale blue or pale violet. Belgian Congo and Northern Rhodesia. On grassland and edges of thickets. A REVISION OF THE GENUS GLYCINE AND ITS IMMEDIATE ALLIES By F. J. HJ.;rnL\xx, senior' botanist. Crops Research Division, Agl'i cdtuntl Re8emd~ Sen'ice 1 INTRODUCTION The c1aim of the Old 'Yodd leguminous genus Glycine to economic ,importance rests very largely upon its inclusion of the soybean, Clycine matI.' (L.) )Ierr. A few others among the more common and widely ranging species, such as the principally Afriean G. jaz'anica L. and the Australian O. Canescen.s F.J.Herm. (0. 8el'icea Benth., not 'Yillel,), are of .alne as fodder, but their use does not compare in importance with that of G. ma;c, which is used so extensively for lUlman food and oil. AgTonomists attempting to impro,e strains in the world's soy bean crop ha'-e. heen interested in the wild species of Clycine as po tential material for interspecific crosses, but the literature on the sub:iect has been not only extremely ..ague fOl' the most part but fre quently clecicleclly misleading. A tabulation of the sl)(>cies described a:i OIY('ine fl'Ol11 Index Kewensis, for example, results in a total of :2H6 and the addition of published subspecies and ,"ariel ies In'ing-s the number to :~23, So loosely has the genus been defined, even in recent yea.rs, that the estimate of nLlid speeies within Ihe group by current tluthors has nlrieCl from "some 60" by H<llll11lln 2 to "perhaps 40 or 11101'0" by Bailpy,3 and to Hi by1rillis:1 ft was in tllp hope of clarifying the almost chaotic condition of' taxonomic infol'mution relating to tIl(' 1 nl~, HCl"lll:[llll i,.: 1101\' ('ul"ntnr of r.l1C' LH. FOl"l';;t Sen'iee IIl'rhal·illlll. (;1':1t(' fIll :tekllowledg-lllellt i:; 1ll:ldl' to Re!!illll O. Hug-lies, of this Dh'i;;ioll, fOI' the (lnl\\"illl('i; :[('('OIl1[lUnrill;!; the text: to l'/lUl G. Rlli',.;ell, enlla\)nrator with the ~l'W ('!'OP:; R(':;pal"("li Brllll(·h. fOl" 1)plll with sep(l tel"llIillnlog~': nm1 to the ("utitOlliall" of tlip nlriou:; h('rllnrin who ;:1'111'1"1111;:1," 10all('(1 SVP!'illlt'IiS ill th('ir ('olIedioll" fill' tIl(> VUI"Vo:;(' of tlli,.: :;tudy. Chie[ :ttLHlllg th(',;(' h('I'hllria \\'('n': ,\rnold .\rhnn' hUll 111)(1 01'11." IIprhariUlll, C:Il11bridgp, :\[a;:s.; Bl"itish '~III'"t'lllll (Xflfllral Hi;: tOIT), .LOlidoll: .TlIl"!lin Bntalliqlll' <Ie n:;tat. BI~u;:spls; BO[;lIIi(,:11 )[\l;;l'lllll alld UPI'lIa rilllll, ('op<'lIhn;:('Il: lstituto Hotnllit·o. f'lon'll("{'; COll;;ernltoir(' Botallique, G('ll('\'Il; RO,nll Botnni!: OnnlE'IlS, [{PI\'; Rijk"herhnriulII. L{'id('ll; ~1i,;s(Jul'i Botnllir:at (;111"(1('11, St, Louis. )Io.; )IU';PUIIl Xntionnl d'Hi:;joil'(' Xntul"l"lI('. 1'al"i;;: Xatiollill 'I.'ai\\"1111 t~Ili\·(,I'sit.l", 'J:;dV<'i. Chilla; Xatul'hi:;('"'i,wll(''; :\fn:;l'lllll, \'il'U1U1: nlld tr.i:-i. ~;If:i,,"nl rrl'l"hariullI.Wa,;hill~t()I1, 1>.('. :H.\(i~T"\X, Lt'("IE.\". SI'''H)L\TIH'llyn:s. /,/ FhJl';l !lu ('olIgo B('I~(' U: !l:!-101. BI,'uxpllp,;, 10:>-1. , BATtEY, L. n. .\I.\.\" l',lI. OF lTI.Tf\'.\TEIl 1'1 ..\.\"'1':;. l,lW PI'. ~ra('ll1illnIl Co. l!H!J . ., \\'!I,LI:;, .J. ('. IJI('T!OX.\I:Y (W '1'111'; VI.O\n:HISG 1'1 ..\.\"'1'8 .\XJ) VE!lXii. Ed. ii, ":i:! pp. C:uIIh"itlge. 1!HR 1 2 TECIL'\ICAL BGLLETIN 1268, U,S, DEPT, OF AGRICULTURE genus that the present study was undertaken, and the res1llting re alinement indicates that the actual number of species throughout its complete range in Africa and Asia (almost entirely tropical with the exception of G, 1188/lrien.~i,~ Regel & Maack.) is evidently 10, in addi tion to which 9 infrnspeci fie. taxa of varying degrees of distinctness rmd stability are recognized, The problem of speciation in G7ycine was not found to be a major one in the present re\'iew of the group; the difficulties were largely generic, The majol' tasks "'ere two: Adequately to delimit the genus among an extensi\'e series of allie-c; bearing close resemblance to G7y cine and often strong affinity "with it, and to identify the host of nanws that. had been mistakenly associated with G7ycine, It is hoped (hat the defin ition of the /!en us as hem restricted and the accompanying key to related !!enern will contribute toward the first of these two objec tives and that the list of species now excluded from tIle genus with their attempted reidentificationwill be" found useful. It was found that genem already described ,yould accommodate the majority of the species that had to be excluded fl'ol11 Glycine, but for 11 of the excluded species :2 new genera had to be set up and are characterized in this paper, Because so large a proportion of the species ascribed to Olycine \\'ere proposed by early authors at a periocl \\-hen descriptions \\'ere habitually of snch bl'e\'it'), that the charaetel's del i ne::tted would apply to several or many eli fl'erent plants under our modem concepts, and because the pmetice of desi/!nnfing type speci mens, to establish beyond question the ielelll'ity of the plant descrihed, was not yet in vogue, it WflS nN'esSary 1"0 ::'eareh Ihe pl'in('ipal Eu ropean hedJar.ia, in an attempt to Jind t'he specimen npon whi('h ('nch descl'iption was based, In the majority of cases this se:tl'ch was ::'11(' cessful nnd the name \\'as satisfuctOl'ily cl isposed of. In a fC'\\' instanees the types are evidently lost and where the de::,cTiption is too fl'a/! mentary to offer a deci;:;i\-e clue to thei(LC'ntity of tIl(' plant inyol\'C'cl, the mune must still remain in doubt, although in no (,fl:';e cloes it seem likely £rom the evidence a\'ailable that it ean be appli('nble to n true Olycine, The ehier reason for the hetcl'ogelleow-i composition of the genus Ol!/cill(, as eal'liel' cl('finec1 is well lJl'ought om in the following ob sf'l'vntion by Benthilll1," made nearly a ('(·lItur)' ago: Up to till' 1"i1l1e of jll' Vallllolll'" "j'rollrolllu,," Ili-;:!:)j r\tt' ~('II('ra (;II/dl/(' alld Du/idlfl8 \tnll bp('olll(' ritC' l'l'I'pptaell' for all I'llt' l'hn";('()I(':l{' \\"hit-it ita(] 110 ,'('rr ,;trikill~ ('\wl':u-lel' to di;.:rill;.!ui';l1 Ihl'lIl, lip ,;rill rl'taillPcl. 110\\"1"'('1', t\\'o cli,:lilll'l: 1)-1)('':, afn'n,'ar(],; ,,'('II ,:pparatl'li h," Al'llott (ill "'i).!'itr Hlld ,\rllotL "Prodroillus }'lol'ne I'Pllinsllla(' Indinl' ()riclliJllh;" j-()II(' wil h ni,t(>l'IHl.tp ,;tnlllpn,~ nhul't i1'1' nllil \'('Illal'knhl.\' hOlJk('(\ \lOci, til(' otitt'1' with thl' "tflIlIPn;.: all \1('1'1'('('[" :luri Ih(' pflll ,;tl'aight or "lightl,'- ill('UI'\'p(] nt til(' plld-Oll(' I'PPI'P:'('lItp(] liy 0, 1((IJi((li,~ "I\I';XTIr.\~J, (;EOICGr:, Linll, SI)(', LIlIl!lon, ,1(JlIl', Bot. s: r;:{-IH, 1.'iO:;, A REVISION OF THE GEiI."'US GLYCINE AND ITS IMMEDIATE ALLIES 3 L.f., the other by G. ja'/:uuir?a L. Not iJeing nware that either grollp had hel'u 11l"P\'iom:l~' plliJli;.:llPll as :l gl'nll;':.