A New Species of Dendrobium Section Spatulata From Maluku, Indonesia Author Metusala, Destario 0000-0003-0483-1883 Purwodadi Botanic Garden - Research Center for Plant Conservation and Botanic Gardens, The National Research and Innovation Agency (BRIN), Jl. Raya Surabaya-Malang km. 65, Pasuruan, East Java, Indonesia. & metusala. destario @ gmail. com; https: // orcid. org / 0000 - 0003 - 0483 - 1883 metusala.destario@gmail.com Author Saputra, Reza 0000-0003-0454-936X West Papua Natural Resources Conservation Agency, Ministry of Environment and Forestry, Jalan Klamono km. 16, Sorong, West Papua, Indonesia. & reza. saputra @ menlhk. go. id; https: // orcid. org / 0000 - 0003 - 0454 - 936 X & Purwodadi Botanic Garden - Research Center for Plant Conservation and Botanic Gardens, The National Research and Innovation Agency (BRIN), Jl. Raya Surabaya-Malang km. 65, Pasuruan, East Java, Indonesia. & triman. bios 08 @ gmail. com; https: // orcid. org / 0000 - 0002 - 8751 - 6995 & Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Depok, West Java, Indonesia. & nsywt @ yahoo. com; https: // orcid. org / 0000 - 0001 - 7788 - 6573 reza.saputra@menlhk.go.id text Phytotaxa 2021 2021-12-23 528 5 269 278 journal article 2819 10.11646/phytotaxa.528.5.1 a4d2bb04-86d5-4612-bd32-66232a0fc420 1179-3163 5800470
TABLE 1. Comparison of morphological characters between D. brillianum, D. burkeanum, D. busuangense, D. dedeksantosoi, D. jennyanum, D. stockelbuschii, and D. taurinum.
CharactersDendrobiumDendrobiumDendrobiumDendrobiumDendrobiumDendrobiumDendrobium
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brillianumburkeanumbusuangensededeksantosoijennyanumstockelbuschiitaurinum
DorsalOblong elliptic,Oblong elliptic,OblongOblongOblong ligulate,Oblong ovate,Oblong
sepal2.1 cm long ×2.2 cm long ×lanceolate,triangular2.8–3 cm long2.2–2.4 cm longelliptic,
0.95 cm wide,0.8 cm wide,2.1–2.5 cm longto oblong× 0.5–0.8 cm× 1.1–1.2 cm1.8–2.1 cm
obtusesubacute× 0.8–0.9 cmovate, 1.9–2.3wide, acutewide, obtuse tolong × 0.7 cm
wide, obtusecm long ×acutewide, rounded
0.8–0.9 cmor obtuse
wide, obtuse
to shortly
acuminate
PetalsSpathulate,SpathulateNarrowlyObliquelyLinear oblongObliquelyLinear
2.6–2.7 cm longoblanceolate,oblong,oblanceolate,to linearspathulatespathulate,
× 1.1 cm wide,2.5 cm long ×3.5–3.85 cm2.4–2.6oblanceolate,to linear-2–2.8 cm
emarginate, half-0.75 cm wide,long × 0.5–0.6cm long ×3–4 cm longspathulate,long × 0.4 cm
twistedsubacute, once-cm wide, obtuse0.6–0.75× 0.8–0.9 cm2.7–3.2 cm longwide, rounded
twistedto subacute,cm, obtusewide, acute,× 0.5–0.6 cmto subacute,
strongly twistedto subacute,half-twistedwide, acute,half or once-
half or once-half or oncetwisted
twistedtwisted
brillianumburkeanumbusuangensededeksantosoijennyanumstockelbuschiitaurinum
LabellumBroadly ellipticOblongOblong ellipticBroadly ovateObovate toBroadly ovateObovate in
(spreadin outline, 2.85obovate, 2.6in outline,or sometimesoblong obovate,in outline,outline, 2.7–
out,cm long × 2.1 cmcm long × 2 cm2.6–3.2 cm longbroadly3–3.4 cm long2.3–2.7 cm long3.2 cm long
excludingwidewidex 1.8 cm widesubrhomboid× 1.8–2.0 cm× 2.1–2.7 cm× 1.8–2.4 cm
the claw)in outline,widewidewide
2.3–2.6 cm
long × 2.2–2.6
cm wide
Side-lobesSubrhomboid, 2.1ObcordateSubelliptic,ObliquelyObovate,Broadly ellipticObliquely
cm long × 2.1 cmelliptic orfront marginsbroadly2.7–2.8 cmto broadlyelliptic;
wide; free lobe atoblong V-irregular; freeobreniformlong, frontsuborbicular;free lobe at
front short, c. 2shaped, c. 2.25lobe at apexto broadlymargins more2.1–2.3 cmfront very
mm long, broadlycm long; free3–4 mm long,rhomboid,or less entire;long; frontshort or less
triangular, obtuselobe at front,triangular to2.0–2.2 cmfree lobe atpart not lobed,distinct (≤ 2
c. 5 mm long,slightly falcate,long, frontfront c. 2.0 mmtruncatemm long),
triangular,obtuse.marginslong, broadlytruncate or
obtuseirregular;triangular,rounded
free lobe atobtuse to
front 3.0–4.0rounded
mm long,
triangular
to slightly
falcate, obtuse
Mid-lobeTransverselyTransverselyOblong, 0.9–1.1TransverselyTransverselyTransverselyTransversely
elliptic toelliptic, 0.6cm long ×oblong tooblong, 0.6–1.1oblong, 0.5–0.6oblong, 0.5–
subquadrangular,cm long ×0.5–0.7 cmbroadlycm long ×cm long ×0.6 cm long
0.75 cm long ×1.2 cm wide,wide, marginsobcordate,0.85–1.3 cm0.9–1.2 cm× 0.9–1.0 cm
1.3 cm wide, apexmargins slightlyundulate,0.6–0.75wide, marginswide, marginswide, margins
subapiculateundulate,apex obtuse tocm long ×less undulate,undulate,slightly
apex truncateacuminate0.9–1.1 cmapex apiculateapex truncateundulate,
with minutelywide, marginsto silghtlyapex
apiculateundulate, apexemarginateemarginate
emarginate
Callus onCallus 5-ridged,Callus 5-Callus 3-ridged,CallusCallus 3-ridged,Callus 3-Callus
labellummid-ridge raisedlamellatemid-ridge3-ridged,mid-ridgeridged, those3-ridged,
in the apicalkeels, mid-keelimmediatelyrelativelygraduallythree ridgesmid-ridge
part to form anraised towardsraised at apexstraight (notraised in upperimmediatelyimmediately
undulate lamellae.apex to formto form aundulate) inpart of side-raised at apex toraised at apex
Inner lateralan undulate-large oblongwhole length,lobes to formform triangularto form an
keels less highsigmoidtriangularmid-ridgean undulateto oblongobscurely
than the middle,lamellae whereobtuse flap-likeimmediatelylamellae whichtriangularsmall
outer lateralit terminates atcallus (c. 3 mmraised atis terminates atobtuse flap-liketriangular
keels verrucose3 mm highhigh) in middleapex to formabout mid partcallus (midobtuse flap-
and crenulatebase of mid-an oblongof mid-lobeis taller thanlike callus
and higher in thelobetriangularthe laterals) in(1–1.5 mm
apical partobtuse flap-middle base ofhigh) in
like callus (c.mid-lobemiddle base
3 mm high)of midlobe
(Fig. 4)
Column0.7–0.8 cm long;0.7–0.8 cm0.7–0.8 cm1.1–1.2 cm0.8–0.9 cm0.8–0.9 cm0.9 cm long;
column-foot 1.4long, column-long; column-long; column-long; column-long, column-column-foot
cm longfoot 1.1–1.2 cmfoot 1.5–1.6 cmfoot 1.1–1.2foot 1.1–1.2 cmfoot 1.5–1.6 cm1.9–2.0 cm
longlongcm longlonglonglong