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Contribution to the Orchid Mora

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The Japanese Society for Plant Systematics

NII-Electronic Library Service li,l

}

The JapaneseSociety for Plant Systematics

July,

1952

,

Acta

Phytetax.

Geobet.

.

123

///,L

・1/,}./''11t'lt/i・''

tl '

Contribution to the Orchid Mora

of

the Ryukyu Arehipelagoee I.

'

By Noriaki IHIvKuyA"iA(edited by G. MASAMuNE)

,

fiMJ [" le ee

:

emwtijil n

a)

j

v

( IE ft caerme)

Late Dr.

Noriaki

FuKuvAMA was the only orehldelogist

in

Japan. He specializea

inthe

Botanical

course at [I]aihoku

Imperial

Vniversity aiid his graduation thesiswas

about the taxonomictalstud)T of Orchids. In ig34 after his graduation

he

staied as a

subassistant or assistant in the Laborator}r of .Systematic

BotanJr

and

Plant

Oecolog'y

'

in ehe Facult>r of Seience of the Vniverts・ityana coptinuea his study on Orchias. In .

ig4i he became a Professor of Ta'ihol{uKoto Gakko. In Ma'rch 6,.ig46, .in the midst' of confuffion after the elo6ing of the 2nd World

War

.heaied a s'udden

dea-h.

Before

his

death

he handea

me

his

manuscti.pt of the taxonomical study oi Orcbid Flora of

tha B),uk.vu ATchipelago alla T?Liwan, Frem t[hat ma]uscript I selected this p'reseiit paper whieh coneerns onl.y the R)'uk.vu

Archipelage.

As for the remaiiiing

part

of it

I want to

publish it

another occasion.

'

i) ・Listera shikokiana "IAKiNo, in [Vek:o Bot. Ma.cr. VII, 68

(i8g3);

XIX, ii,

ffy.

.s

(igos);

XXIV, 23o,,fla. f7

(igio);

SCHL'rR.,Orehid. Sino-Jap. Piodr. [43

(igig);

MAsA"・iuNE.Flor.

G-eobot. Stua. Ins.

Yakusima, Prov. Osumi, s76

(ig34).

.

Nom.

Jap.

Murasaki-hutabaran,

Hime-hutabaran

(T.

MAKiNo).

Hab.

B,}rfik.y'fi.

Tns.O]<inawa: in laurisilvismonttTs

[l]an.va-dake ([I].

KANAsiRo,

Dec.

Tr, rg3g, n. 74o3;Y.

TAiRrt,

IUd・rt. 2g, xg,;p, n. 4gg). Ins.Kumesima:sine loco speciali

(U.

KuBA, .li'eb.rgLp7, n. 7o2r)-

DistT.llong:i"L,Silcoku,

Kyfis},ra,

Ins. Yakusima, Ins. A:nami-6sima, Ins, Oltinawa- '

hont6,

Ins.

Kurnesi・ma, .

[Vhe species iBnew to the fi'ora of Okinawa-1iontu and Ins. Kum'e.

'

'

2) Lecanorchis flayicaqs ]i"uKvYAMA,sp. nov.

Saproph.ytica,aphylla, erecta, c. 3oem. alta ; rhizoma breve,subrectum,

lignescens

;

radices multae, elongatae,

?atulae,

filiformesi,sieeo angulato-sulcatae, c. i-i.s mnt.

'

ai'ametientes; eaules vulgo simpliees

interdum

e basi parum' ramesi, stricti, sursum

'

.cr.radatim tenuiores, rigiduli, teretes, vivo fiavo-nigricantes,glabri, rexnvte pauei-

sguamati, inter squamas 4-8 em. distantes; sqaamae n・igrieanteb', deltoideae, integrae,

crassiusQulae,

persistelltes,

semi-amplexieaules, aeutae, 2-3 mm. ・longae, glabTae.

Racemus

brevis,infeTne distant・e

(i-2)--florus,

sursum alabastris subeon'Eertis inst・ructus;

bracLeae

pedieellismulto bre'viores,deltoideae, i-i.s mm. Iongae, glabrae. 1]"lores

subtipertiente, adsctellae)tes, vagi, lunge subeampaliulati, fiavicantes;peaieelli eum

* Contribution from the Laboratory of the SystematicBotany, Faculty of Science, Kanazawa University,No. 7.

E:b'vept(eeEE4ssretz53-lj$MeeZXtw, t.

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(2)

The Japanese Society for Plant Systematics

NII-Electronic Library Service

The JapaneseSociety for Plant Systematics

1pa Aeta

Phytotax.

Geobot.

' Vol.

XIV,

No.

4

' '

'

t t

ovariis ereeto-patelltes, graciles,teretes,

fez'e

i.s-2.cm. Iong;, glabrl apice calyeulis '

- .

Qyathiforihibms margine irregulariter eToso-dieDticulatis o.s nun.'altis instructi.

Sepalum

i4.termedium,

ob!anceolatum, coneavulum, apiae obtusuni et reeurvgm,6asin

versus angustatum, e. i4 mm. Iongum,

infra

apicem c. 3.s inii]. Iatum, glabrum, 3-ny '

nerviuni;sepala lateraliailltermediosimiiia sed apice acutiuseula;petala ohlaneeolato- .・

oblonga,

plapa,

ftpiee obtusissima, basin yersus angustata, ff,epalis subaequilonga, ffed

plus minusve

Iatiora,

glabrat, obsolete g-neryitu ]]iabellum-sepalis panlo brevius, c.

iz mm. Iongum, bais columnae margini adnatum, suTsum dilat・atum,supr'a mediuni

distipcte

3-lebum;

lobis lateralibus brevibus

colunmam bene superantibus latere

interiore

c. ,2 mm. Iongis margine erosis;

lobo intermedib

multiotias maiQre c.s mm,

longe semi-orbieulato apice recurvo margine ciliaho-aenticulato supra medio pilis

loll.rris fiexuosis

numerosis 'dense

villoso.

Uolunma

c.

7

mrri. Ionga, subrecta, s,labra,

sursum gradatim ampliata, tertiavel quarta parte

basilari

cun)

labello

connata.

'

Nom.

Jap. Sakisima-sukerokuran

(FtiKuyAMA

noy.).

'

Hab.

Ryakyfi. Ihs.

Iriomote:

in laurisilvl・s

praeter fiumen Nnkara-gawa (N.

FuKu-

yA)ta, lfaiojno, Jo38, n. 7i?o-Typus in

Herb. Nation.

Taiwan. Univ.). .. .

'

3) Lecanorchis oligotricha ]mcvyAMN, sp. nov. .

'

Saprophytica, aphylla, subereeta, c. 2o-3o em. altas rhizoma

breve,

subrectum vel valde.curvatum, lignescens; radiees multae, elongatae, vivo veumifotmes; caules slnipliees vel saepius parum i'ft・mosi, strieti, vel curvati, rigiduli,

fvagiles,

subniLidi,"

.t '

teretes,nigricantes, glabri,

pluri-sguamati;

squamae nigricantes, deltoideae, erassiu- seulae, persistentes,serniamplexlc'aulesj acutae, sursum se]sim minores in brac'teas '

deerescentes.

Bacemus

abbreviatus, inferne laxe sursuin dense

fioratus;

braeteae

pedieellis'

multo brevioTes, deltoideae, aeutae, i.s-2 mm. Iollgae, .rvlabrae. Flores

vagi, subclausi,

infra

medimn plus minusve eonsLrieti, pallidievlolaeei'; ped;cellieum

ovaTiis ereetopat'entes, .crraciles, ferei.s-2 cm, ]ollgi,glabri, apice margine

irregulaviteT dentieulati. Sepalum

intermedium oblanceolato-oblongum, apiee obtusum, .bftsin versus

paululo

angustatuml c. i6 mm. Iongum, infra apicem e. 4 inni. Iatum, glabrum, s-

nervium; sepala lateralia

intermediio-similia

sed

paululo

obliqua;

petala

oblaneeolat・a, apice obtusa, basin versus subunguiculatim angustata, e. i6 mm.

Ionga, infra

apieem

c. 3.s mm.

Iata,

glabra, s-neivia.

Labellum

sepalis paulo bTevius, e. i4 intu. Iongum,

dimidio

inferiore columnae margini adnatuni. et tubum .formans, sursum spathulato-

ailatatum et non lobulatum, concavulum, margine subintegmm

incurvumque,

apice rotu]dato-obtusum, prope apicem supTa

pilis

longiusculisin genere

pauciioribus instr-

uctum.

aolumnac.

II.mTn.

Ionga,

glabra, subreeta, apice paulo ampliaLa; anthera

subquadrato-cueullata. '

'

ilZMb:

JS.YikjS.:.rigiantsft-S

ie.::kotUe.r?.nk(,FiUaK.TX・s",-Ii."isbmSill?,ks[ved6

(N. )iuKvyAMA, m,{n.

4, .Tg38,n・ 7i27-Typus in Uerb.

Nation.

Taiwan Univ.); in laurisilvispraeter fiumen UyautFgawa ad Huttunata

(N.

FuKuYAMA, tJLi}z. s, Jg38, n・ 7io7, 7M5)・

NII-Electronic Mbrary

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The Japanese Society for Plant Systematics

NII-Electronic Library Service

The JapaneseSociety for Plant Systematics

',/・t,・/.I.'l・

lli

}.l-l.i'y.I・}.1・l,gli.11/,i'".1//]/'I・tli・

11・

t

luly, 1952 Aeta Phytotax. Geobot. 125

The

present speeies

is

distinguished.from the other species of

the

genus by the ell-

tirespoon-sha・pedi

lip.

'

4) Epipegum poneranthum

FuKvyAMA,

sp. nov. . '

Saproph]ticum, pallide flaveseens

vel albeseens, strietum, c. i3 em. altum; tuber.

subglobosum, e. i em.

Iongum,

aarnosum; caulis terets',glaber, siceo c. i.s-2.s mm.

diamet-iens.

ad basillpauci-sguamatus.

Flores

'e.2i in apiee eaulis laxe

di-positi,

pallide

flaveseelltes,

lrnmagulati estriatique, subapertielltes, subnutantes; bractea ob:3oleta;

pedicellugeum ovario

trigollo

e.1 cm.

Ion.crus,

glaber, areuatus.

Sepalum

intermedium lineari-oblogum, apice acutum, basi vix eontractu]n,

integi'um,

glftbmJLm,e.8 mm.

Io-

ngupi, medio 2.s mm.

Iatuih,

triner'vium;sepala lateralia

intermedio

subaeguilon.cra,

linearia,apice aeuta, c.8 mm.'lon.cra, .rvlabrh, qua,z'hapaTte

basilari

margine exteriore

'breviter lobata, lobis apice rotunaatis truncatisve.P6tala oblQnga, apiee acuee, ad

basin

paulo contraeta, inte.trra,glabra,c.8 mm.

Iong'a,

medio 3s mm.

Iata,

tri-nervia.

Labellum quam sepala longius, indivisuyn,reetum, concavum, elliptico-oblo"gum, apiee aeutLus.oulum, seeus nervos subincr LsSatum, margine minute irregulare,suprat sub-

biseriatim

minute tubercuiatuin, absque calear c. ig mm..

Iongum',

calcar e.

3

mm.

Ion.ffum,

tectium,

subcomp]anatolnflatum, apice obtusissimum, obscure 2-lobum vel emarginaLum. Colunma e. 3 mm. Ionga.

Nom. Jtip.IIukuyama-ran

(MAsAM.

'nov.).

Hab. Ryt"ikya.

In'n'.

Iriomote:

in

laurisilvispraeter flumen

Urauti

aa

Yadibira, ip

altitudine .c. 2oo m. s. m.

(N. NuKvyAMA,

tJlsn. 7. Jg3・g, n.

7i23-TSpus

in }i[eTb.

Natio]・

Taiwan

Un{v.). ' -

S)

Corymborchis

sakisimensis FuKuyAMA, sp. nov. s:rn. aorymbds ver"t7TijibgiaScHTJEcH- 'TER;'in

Orehid. Sirio-Jap.Prodr. i7g,

(igig), (lloll

REicitB.f.quoad

pl.

ex Ryakya).

Terrestris,

valida, erecta, i-2 m. alea,

plurieauliB

;radiees filifornies, siceo ¢L i-i- mm.

dithmetientes,

rigidne, pubeTulae; caules yulgo simpliees, subereeti. basi

derrudata

excepta

b'enefoliftti,'vaginis

foliorum arcte et alte amplecten'tibus prominente striatonervosis obteeti, prope basin c.

s-io

mm.

dtametientes.

Folia pattentia vel erecto-patentifl, elliptica yel oblenga, apice aeuminata, basi

distincte

et breviter contracta,

vivo.

supra subnitida, plicata,sieco pnpbTracea,mftr.crine

integra,

e. 2o-3o em.

Ion.cr.

a, meaio 5-ioCm.

Iaba,ubrinque glabra,

(s-7)-nervia,

ad nervos subtus

prominente

elevata, inter neryos

multiyenulosa,

Infloreseentia

axillaris, panieulata;

panieula

suberecta, dellsiusculemulti-

flora,

quam

folia

multo

breyior,

ramis absque raeemo terminali 3-s

laxe

multi-floris

divaricatis alternalltibus apicem versus sensim deerescentibus.Bracteae

persistentes,

viri-

des,ovaLae vel lanceolatae, aeptae, s-8 mm. Ion.crae,sursum sensim minores,

glabrae;

pedieelli

aum ovar,iis recti', vhriaes, bracteas ai]plo'veltriplo sbperanteg, teretes,gla-

bri. ffIoreg

nivei, seeus eostam sepalorum 'etpetalorum plus ]ninusve viridesceiltes;

sepnlulli intermeaium an.crustissime oblauceolato-lineare, subreetnm, apice aeutum, vivo

navieuliforme concavulum, eamosulum, e.

3.s-4

cm.

Ion.crum,

glabrum,

s-nervium;

'

. '

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The  Japanese  Sooiety  for  Plant  Systematios

126

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