Validation of the Name Ulmus kunmingensis (Ulmaceae)

2013·1.4 MB·English

by  Deng Yunfei

Name
Ulmus
Validation of the kunmingensis (Ulmaceae)
Deng
Yunfei
Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical
Academy
Garden, the Chinese of Sciences, Guangzhou, 510650, People’s Republic of China.
[email protected]
Chen Xin
College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037,
People’s Republic of China, [email protected]
Abstract. Ulmus kunmingensis W. C. Cheng (Ul- mixed buds, and its leaf blades being either glabrous
maceae), originally described in 1963, was an or pubescent along the veins. Given this morpholog-
we
invalidly published name, because two collections, ical distinction, therefore prefer to treat
kunmingensis as a distinct taxon at the rank of
The name
types. validated here with the
is
name
designation of the fmiting collection W. C. Cheng However, until now, the invalidity of Cheng’s
11002 (NF) as the holotype. was not recognized in recent floristic works. The
Key words: China, Ulmaceae, Ulmus. present paper validates the name Ulmus kunmingen-
under Article 33.1 (McNeill 2012) by
sis et al.,
Ulmus kunmingensis W. C. Cheng (Cheng et designating T. C. Chao 1516 as type. The selected
al.,
1963) was described based on material from Kun- holotype is a specimen with fruits in the herbarium
NF
and was The
ming, Yunnan, China. Unfortunately, invalidly cited in the original publication.
is
it
published under Articles 8.1, 40.1, and 40.2 of the fruiting collection is preferred over the flowering one
Melbourne Code (McNeil 2012) because two (Cheng 11002), both mentioned by Cheng (Cheng et
et
al.,
W
collections, both kept at NF, one flowering C. al., 1963: 12), because fruit is one of the significant
.
(
Cheng 11002 and Chao diagnostic characters identify species in Ulmus.
the other fruiting (T. C. to
)
1516), were cited concurrently as types in the Validation is also supported by direct reference to
Cheng Cheng’s Latin description (Cheng 1963:
protologue. In the original description, et al., 12).
et al.
compared the species with glaucescens The flowering collection, W. C. Cheng 11002, is
(1963) U.
We
Franch. However, kunmingensis designated as the paratype. ascribe the name, U.
U. easily distin-
is
guished from the by seed apex not reaching
latter
its
the notch, and these two species were placed by Fu Cheng, which is supported by Article 46.2 (McNeill
Ulmus Glabrae Moss, et 2012).
(1980) in different series, ser. al.,
and Ulmus Fu
ser. Nitentes Moss., respectively. et al.
Cheng, Ulmus
nov.
sp.
name
(1979) reduced the to the rank of variety as U.
W.
kunmingensis Cheng,
C. Sci. Silvae Sin.
W. Cheng 8(1):
changii C. var. kunmingensis (W. C.
nom. TYPE: Yunnan:
& 12. 1963, inval. China.
Cheng) W. C. Cheng L. K. Fu, but no validation of
Kunming, Xishan, 20 Mar. 1934
T. C.
(fr.),
the basionym was undertaken at that time. Since
Chao 1516 NF;
(holotype, isotype, PE).
then, some authors have treated U. kunmingensis as
an independent taxon the rank of species (Fu,
at
&
Ma
1980; Fu et al., 1982; Liu, 1985; Bao, 1990; Distribution and habitat. Ulmus kunmingensis is
Zhou, 1997; Mao, 2005; Li, 2006), while others have endemic China, occurring in Guangxi, Guizhou,
to
Wu,
considered a variety of U. changii (Li, 1982; Sichuan, and Yunnan provinces. known from
it It is
&
Fu Fu
1984; Xin, 2000; 1998, 2003). In from 600 1800 m.
et al., fact, forests at altitudes to
U. kunmingensis easily distinguished from
is \
'|X'
changii by flowers from mixed buds, scattered in
its
basal or sub-basal bract axils on young branches and
We
leaf blades that abaxially bear tufted hairs in axils Acknowledgments. are grateful to the curators
its
of veins. In contrast, U. changii is distinguished by of the herbaria at Nanjing Forestry University (NF)
its flowers in fascicled cymes from floral buds, not and the Institute of Botany, Chinese Academy of
10.3417/2010098 Novon 22: 409-410. Published on 18 October 2013.
doi: