Typifications of four names in <hi rend="italic"
style="typo_Italique">Globba</hi> L. (Zingiberaceae)Rohan MAITYhttps://ror.org/00gx5vq39rohanaprc@gmail.com0000-0002-9484-7063Sudhansu Sekhkar DASHhttps://ror.org/00gx5vq39ssdash2002@gmail.com0000-0002-6754-2600Aishwaryya MITRA https://ror.org/00gx5vq39mitraaishwaryya@gmail.com0009-0008-0186-398XManas Ranjan DEBTAhttps://ror.org/00gx5vq39manas_debta@rediffmail.com0000-0002-0329-95092026-06-02T13:12:00Muséum national d'Histoire naturelle12/12/202417/06/202535-4220/03/202648 (6)20/03/202610.5252/adansonia2026v48a6http://adansonia.com/48/6FF85161CAE528C153374DB76A3618545dabd8d23-2d0a-40f7-b0dd-79221e50526219554815314860
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color:black;Flora of British IndiaJ. G. Bakerlectotypification.Flora of British IndiaJ. G. Bakerlectotypification.RévisionTypifications of four
names in Globba L.
(Zingiberaceae)Rohan MAITYBotanical Survey of India, Central National Herbarium,
Howrah, 711 103, West Bengal (India)Sudhansu Sekhkar DASHBotanical Survey of India, CGO Complex, 3rd MSO
Building, Salt Lake, Kolkata, 700 064, West Bengal
(India)Aishwaryya MITRABotanical Survey of India, Central Botanical
Laboratory, Howrah, 711 103, West Bengal
(India)Manas Ranjan DEBTABotanical Survey of India, Central Botanical
Laboratory, Howrah, 711 103, West Bengal
(India)
In course of taxonomic studies carried out on
Indian members of the genus Globba L. (Zingiberaceae Martinov.), the
following four names, viz.
Globba brachycarpa Baker, G. canarenis Baker, G. pauciflora Baker and G. platystachya Baker, required
typifications; new lectotypes are designated herewith in accordance
with the International Code of Nomenclature for algae, fungi and
plants.
KEYWORDS: Flora of British India, J. G. Baker,
lectotypification.
À partir d’études
taxonomiques menées sur les espèces indiennes du genre Globba L. (Zingiberaceae
Martinov.), il ressort que les quatre noms suivants, Globba brachycarpa Baker, G. canarenis Baker, G. pauciflora Baker et G. platystachya Baker doivent être
typifiés. De nouveaux lectotypes sont désignés ici conformément au
Code International de Nomenclature botanique.
MOTS CLÉS: Flora of British India, J.
G. Baker, lectotypification.
INTRODUCTION
The taxonomy of the genus Globba
L. (Linnaeus
1771), in the ginger family, remained of high interest to the
botanical taxonomic fraternity throughout the time. The genus is
identified by its small, delicate flowers with the long, arched
filament over its labellum (Sangvirotjanapat et al. 2019). Morphotaxonomy of
this genus has always been critical making species delimitation and
grouping of its members a hectic task for the taxonomists. Anther
crest or appendages in Globba
have been considered as the most important character in infrageneric
segregation and species delimitation (Horaninow 1862; Schumann 1904; Larsen 1972). However,
later this was accompanied with additional morphological characters
of inflorescence and bracts (Larsen 1972) and eventually molecular phylogenetic
studies (Williams et al. 2004). At
present this genus is distributed from Southeast Asia to Australia
(Leong-Škorničková &
Newman 2015), and comprises of about 112 species and divided
into three subgenera and seven sections (Williams et al. 2004).
Taxonomy of Globba
in India has faced quite a challenge from time to time due to
several confusions and complexities on the nomenclature and
identities of its members. Investigations on the Indian members of
Globba
revealed the necessity for the typification of the following names,
viz. G. brachycarpa
Baker,G.
canarensis
Baker,G.
pauciflora
Baker
and G.
platystachya
Baker,
described by Baker
(1890) in Hooker’s Flora of British India for their correct
and unambiguous applications in future. Hence, the lectotypes are
designated for these names in accordance with the Shenzhen Code
(Turland et al. 2018) to fix
proper application of these names.
Malaysia •
Perak;
2000-3000
ft. alt.; IX.1881;
King’s Collector 2414;
lectotype: K[K000255299]
(here designated) [Fig. 1]; residual
syntypes: CAL[CAL0000000904,
CAL0000000905]!
Notes
Baker (1890) described this species based
on specimens collected by “King’s Collector” with number
“2414” from “Perak” (Malaysia) at an altitude of 2000-3000
ft. While searching for specimens we could locate only three
such specimens, two at CAL and one at K; which comply with
the details provided in the protologue. Therefore, all these
specimens are considered as original material, and as well
as the syntypes, vide Art. 9.4 and 9.6 of ICN
(Turland et al. 2018).
Among these, K000255299
bears original remarks as mentioned in the protologue that,
this species is close to the G.
schomburgkii
Hook.f.,
which was published in Curtis’s Botanical Magazine (Hooker 1877)
with plate no. “6298”. Additionally, this is a
better-preserved specimen than the other traced original
specimens, bearing flowers and fruits, which concur with the
description provided in the protologue. Hence, K000255299
is selected as the lectotype for the name Globba
brachycarpa
Baker
in conformity with the Art. 9.3, 9.4 and 9.12 of the
Shenzhen Code (Turland et al. 2018).
India • Canara, Law s.n.
lectotype, K[K000640603],
(here designated)
digital image! [Fig.
2]; residual syntypes: K[K002592284,
K002592285],
digital images!; L[L0488013],
digital image!; P[P00252247],
digital image!)
Notes
Baker (1890) while compiling the genus
Globba
for the Flora of British India, described this as one of the
two imperfectly known species of this genus to him, as he
mentions “anthers not seen”! As already discussed, anther
appendage played a crucial role in delimiting the taxonomy
of the genus throughout the time. However, this species was
still described relying upon the other available characters
based on the specimens collected by J. S. Law from “Canara”
[Karnataka] in India. While searching for specimens, we
could locate five such specimens (three at K, one at L and
one at P) which comply with the details provided in the
protologue. Among these, K000640603
bears the name “Globba
canarensis”
written by Baker himself and is better preserved than the
other found original materials. The same sheet also bears a
label of lectotype annotated by K. Williams at 2002;
however, no published article or data could be traced
dealing with the typification of this name. Therefore, this
annotation cannot be regarded as a valid lectotypification
and the name is still to be treated as untypified.
Therefore, in the present circumstances, K000640603
is selected as the lectotype for the name G.
canarensis
Baker
in accordance with the Art. 9.3, 9.4 and 9.12 of the
Shenzhen Code (Turland et al. 2018).
Baker (1890) described this species based
on specimens collected by “King’s Collector” with number
“376” from “Andaman Islands” in India. While searching for
specimens we located eight such specimens (seven at CAL and
one at PBL) which comply with the details provided in the
protologue. Among these, CAL0000000886
is a better-preserved specimen and, also contains a flower
on the sheet and fruits in the voucher folder which are
essential for the identification of this taxon.
Additionally, the sheet bears original annotations of
flowers having “anthers with 2-lateral appendages which are
bifid”. As mentioned earlier, anther crests or appendages
being essential for identification of Globba
species as well as for their placement in infrageneric
groups, this information bears immense importance. To
ascertain the correct identity and unambiguous nomenclatural
use, typification of this name becomes essential. Hence,
CAL0000000886
is selected as the lectotype for the name Globba
pauciflora
in conformity with the Art. 9.3, 9.4 and 9.12 of the
Shenzhen Code (Turland et al. 2018) for owing to
its best preserved condition amongst the other original
materials and being in complete compliance with the
protologue.
India •
Canara; Eastern
Indian herbarium of J. D.
Hooker & Thomas
Thomson14;
Law
s.n.;lectotype: K[K000640601]
(here designated) digital image!,
[Fig. 4]; residual
syntypes: K[K000640602],
digital image!; P[P00234523], digital
image!
Notes
Baker (1890) described this species as the
second imperfectly known species of this genus to him in the
Flora of British India based on specimens collected by J. S.
Law from “Canara” [Karnataka] in India with details as
mentioned “Hk. f. & Thoms. Herb. Ind. Or. 14”. Despite
of unknown anther appendage structure, based on its other
morphological traits, Baker described this as a distinct
species in a similar manner to G.
canarensis.
We traced three such specimens (two at K, one at P) which
completely agree with the details provided in the
protologue. Among these, K000640601
is a better-preserved specimen containing a flower and a
fruit, and, also the handwritten annotation of “G.
platystachya
Baker”
by Baker himself. Therefore, this specimen is selected as
the lectotype for the name Globba
platystachya
Baker
in conformity with the Art. 9.3, 9.4 and 9.12 of the
Shenzhen Code (Turland et al. 2018).
Acknowledgements
The authors are grateful to Director,
Botanical Survey of India (BSI) for necessary facilities. RM and AM
would like to acknowledge the helps and necessary facilities
provided by Head of Office, BSI, Central National Herbarium (CAL).
MRD and AM are grateful to Head of office, BSI, Central Botanical
Laboratory, for necessary facilities and thorough encouragements.
Authors are also thankful to the curators of the following herbaria,
viz. CAL, K, E, L, and
P, for providing necessary information and images online. We
appreciate the reviewers Thierry Deroin (MNHN) and Mamiyil Sabu
(Department Botany University of Calicut, Kerala) for their valuable
suggestions and comments.
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