Vol. 34(1): 65–68 (2024)
ISSN: 0971-2313 (P in edi ion)
ISSN: 2582-2438 (Online edi ion)
h ps://dx.doi.o g/10.22244/ heedea.2024.34.01.08
Jou nal o he Indian Associa ion o Angiospe m Taxonomy
RESEARCH ARTICLE
A new combina ion in he genus Te a aenium (Apiaceae)
Rekha C. & K.M. Manude *
Cen e o Pos G adua e S udies & Resea ch, Depa men o Bo any, S . Joseph’s College (Au onomous,
A ilia ed o he Uni e si y o Calicu ), De agi i, Medical College PO, Kozhikode dis ic , Ke ala – 673 008, India
*E-mail: [email p o ec ed]
Abs ac : The species o He acleum L. na i e o he Wes e n
Gha s, excep endemic He acleum dalgadianum S.M.Almeida
has been ans e ed o Te a aenium (DC.) Manden. Th ough
mo phological and ca pological analysis, we p opose i s new
combina ion in Te a aenium.
Keywo ds: Combina io no a, Endemism, He acleum
dalgadianum, Nomencla u e, Sec . Te a aenium, T. dalgadianum.
In oduc ion
He acleum L. is a widesp ead, axonomically complex
genus es ablished by Linnaeus (1753), wi h a na i e
ange in he empe a e no he n hemisphe e, No hwes
A ica, E i ea, and Malawi (POWO, 2024). The
genus was assigned o he Apiaceae ( ibe Peucedaneae;
sub ibe To dyliinae) by D ude (1898). Pimeno and
Leono (1993) mo ed i o he ibe To dylieae and
he ecen molecula phylogene ic analysis (Downie e
al., 2001; Ajani e al., 2008) con i med his ea men .
Candolle (1830) assigned six sec ions in He acleum,
iz., sec . Te a aenium DC., sec . Euhe acleum DC. nom.
illeg. (=sec . He acleum), sec . Sphondylium (Mill.)DC.,
sec . Ca melia DC., sec . Wend ia (Ho m.) DC., and
sec . T ichogonium DC. Candolle’s sec . Te a aenium is
cha ac e ized by yellow symme ic lowe s wi h equal
pe als and by he p esence o addi ional ubules on he
ui s, and consis ed o h ee species, iz. He acleum
nepalense D.Don, H. ob usi olium Wall. ex DC., and H.
igens Wall. ex DC. Mandeno a (1959) ele a ed his
sec ion o a genus Te a aenium (DC.) Manden. wi h
i e species, iz., Te a aenium hooke ianum (Wigh
& A n.) Manden., T. nepalense (D.Don) Manden., T.
olgae (Regel & Schmalh.) Manden., T. igens (Wall. ex
DC.) Manden., and T. sp engelianum (Wigh & A n.)
Manden.
As ci cumsc ibed by Mandeno a, he genus
Te a aenium di e s om He acleum in ha ing
symme ic lowe s ( s. asymme ic lowe s wi h
enla ged ou e pe als), yellow pe als ( s. whi e pe als),
long and hin sec e o y duc s ( s. sho , b oad and
cla a e sec e o y duc s), and seed ace plane sulca e
unde he i ae ( s. seed ace plane, no sulca e). The
genus is also cha ac e ized by i s ca pological ea u es
which include la ge-keeled do sal me ica p ibs wi h
e y wide ma ginal wings, 1–3 allecula i ae,
do sal and commissu al i ae o equal leng h ( a ely
sub equal), and 2–6 commissu al i ae, ex ending c.
2/3 o 3/4 as long as me ica p as opposed o ili o m
do sal me ica p ibs, single allecula i ae, do sal
and commissu al i ae o unequal leng h, and 2
commissu al i ae, ex ending c. 1/4 o 1/2 as long
as me ica p (some imes absen ) in He acleum (Yu e
al., 2011; Liu & Downie, 2017; Plunke e al., 2018;
Kljuyko e al., 2019). Cauwe -Ma c e al. (1982) and
Mandeno a (1986, 1987, 1991, 1995) ans e ed 19
species o Te a aenium. La e wo mo e species we e
desc ibed by Kljuyko e al. (2019) and Wang e al.
(2021) espec i ely. Among hem, T. candicans (Wall.
ex DC.) Manden., T. ob usi olium (Wall. ex DC.)
Manden., T. pinna um (C.B.Cla ke) Manden. a e
cu en ly ea ed unde he genus He acleum while
T. himalayense Manden. (=T. canescens (Lindl.)
Manden.), T. candolleanum (Wigh & A n.) Manden.
and T. ligus ici olium (Wigh & A n.) Manden.
(=T. igens (Wall. ex DC.) Manden.) a e ea ed as
synonyms. A b oade ci cumsc ip ion o he genus
He acleum was adop ed by Mukhe jee and Cons ance
(1993), Wa son (1999), and Pu and Wa son (2005).
They emphasized he limi ed mo phological
di e gence be ween He acleum and Te a aenium
and highligh ed sha ed cha ac e is ics, such as
Recei ed: 09.09.2023; Re ised & Accep ed: 11.03.2024
Published Online: 31.03.2024
Rheedea
66 A new combina ion in Te a aenium
Fig. 1
. Holo ype o Te a aenium dalgadianum (S.M.Almeida) C.Rekha
& Manude © BLAT, Mumbai. Rep oduced wi h pe mission.
pe al colo a ion and pe al expansion, as e idence
agains main aining Te a aenium as a dis inc genus.
Howe e , he molecula in es iga ions o Logache a
e al. (2010) and Yu e al. (2011) con i med he
dis inc i eness o Te a aenium, which was ollowed
subsequen ly by di e en au ho s (Pimeno , 2017;
Plunke e al., 2018; Xiao e al., 2018). The genus
is dis ibu ed along he Himalayas, he Wes e n
Gha s, S i Lanka, I an, China, and Cen al Asia
(Mandeno a, 1959, 1987; Pimeno & Kljuyko ,
2002; Xiao e al., 2018), and cu en ly includes 21
species (Xiao e al., 2018; POWO, 2024).
Du ing a axonomic e ision o he amily Apiaceae
in he Wes e n Gha s, i was ound ha se en
species o iginally desc ibed unde He acleum om
his egion, excep H. dalgadianum S.M.Almeida,
we e ans e ed o Te a aenium. He aceleum
dalgadianum was desc ibed by Almeida (1985) om
he Sa an wadi egion o he Sindhudu g dis ic
o Maha ash a. An in es iga ion o pe inen
li e a u e e ealed ha H. dalgadianum was known
only om i s ype collec ion. A c i ical analysis o
he ype specimen housed a BLAT e ealed ha
H. dalgadianum has symme ic lowe s wi h yellow
pe als, long sec e o y duc s and schizoca p wi h
wide ma ginal wings, la ge do sal ibs, equal leng h
o commissu al and do sal i ae, ag eeing wi h
Te a aenium. Hence a new combina ion is made
he e unde he genus Te a aenium.
Taxonomic T ea men
Te a aenium dalgadianum (S.M.Almeida) C.Rekha
& Manude , comb. no . He acleum dalgadianum
S.M.Almeida, Indian Fo es e 111(3): 158.
1985; S.M.Almeida, Fl. Sa an wadi, 195. 1990;
M.R.Almeida, Fl. Maha ash a 354. 1996; N.P.Singh
e al., Fl. Maha ash a 98. 2001; V.P.P asad, J.
Bombay. Na . His . Soc. 102(3): 380. 2005; P.K.
Mukh. & Cons ance, Umbel. India 151. 1993;
Ka hik. e al., Fl. Pl. India Dico yl. 1: 110. 2009;
P.K.Mukh., R.Manik. & Mu ug. in Mao & Dash,
Fl. Pl. India Anno . Checkl. Dico . 621. 2020.
Type: INDIA, Maha ash a, Sindhudu g dis ic ,
Amboli-Sa an wadi, 11.09.1980, S.M. Almeida SMA-
2815-A (holo BLAT!; iso BLAT!).
Fig. 1
Flowe ing & ui ing: Flowe ing om June o Augus ,
and ui ing om Augus o No embe .
Habi a : Sloppy a eas in o es s and hill slopes.
Dis ibu ion: India.
No es: Te a aenium dalgadianum is mo phologically
allied o T. aquilegi olium (C.B.Cla ke) Manden. and
T. g ande (Dalzell & A.Gibson) Manden., bu di e s
om he o me by o a e-lanceola e lea le s ( s.
b oadly o a e), peduncles (6–10 s. 3–6 cm long),
ca popho es as long as he ui and pe sis en ( s.
sho , no pe sis en ), commissu al i ae (4–6 s.
6–8), and om he la e by linea -lanceola e b ac s
and b ac eoles ( s. oblong o obo a e) and sligh ly
pubescen me ica ps wi h b oad wings ( s. glab ous
wi h na ow wings).
Acknowledgemen s
The au ho s a e hank ul o he P incipal, S . Joseph’s
College (Au onomous), De agi i, Kozhikode,
Ke ala o he acili ies; D . Rajesh Shinde,
P incipal, S . Xa ie ’s College, Mumbai and M .
P a een Kale, Assis an Cu a o , Bla e He ba ium
67
Rekha & Manude
(BLAT) o add essing he que ies ega ding he
in o ma ion on he ba ium shee s; he Council
o Scien i ic & Indus ial Resea ch, New Delhi
(08/453(0020)/2020-EMR-I, da ed 17.08.2020)
and The Science and Enginee ing Resea ch Boa d
(SERB), New Delhi (EEQ/2021/000696) o he
inancial assis ance.
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