UVULARIA (LILIACEAE) IN TEXAS

4 Pages·2003·1.9 MB·English

by  Jason R Singhurst

TEXAS
UVULARIA
(LILIACEAE) IN
Wendy
and J.Ledbetter
Jason R.Singhurst William F.Carr
C.Holmes
Walter
Deportment of Biology
North America from
Uvularia a small genus of five species native to eastern
is
and westward Texas and
Nova and southern Quebec south Florida to
to
Scotia
&
Kawano The rhizoma-
North Dakota (Wilbur Utech 2002). plants are
1963;
may
tous perennial herbs with leafy, forked aerial stems. Leaves be sessile or
normally have one occasionally two greenish or yellow flow-
Plants or
perfohate.
ers that are campanulate in shape.
expanded
document knowledge distribution
Our of the
objectives are to
summarize
and Uvularia eastern Texas,
Uvularia perfoliata in
of sessilifolia
means
the known history of both species within Texas, and provide a of identi-
The paper based upon recent field studies con-
fying the species in the state. is
herbarium
and examination speci-
ducted in the eastern portion of the state of
&
BAYLU,
mens from herbaria (ASTC, TEX).
selected
KEY TO THE OF UVULARIA TEXAS
SPECIES IN
U. perfoliata
Leaves rounded at the base, perfoliate 1.
^
1.
Uvularia perfoliata
L.
1.
New and
from England and Ontario south
Uvularia distributed
perfoliata
is
&
Kawano
and Arkansas (Wilbur Utech 2002).
westward Texas 1963,
Elorida,
to
known and San
from Nacogdoches, Shelby,
Within Texas, the species Sabine,
is
Augustine Counties
(Fig 1) a distribution that is basically contiguous with the
m
&
Thomas
disti ibution Louisiana presented by Allen The
(1993). species oc-
m
cuis mixed beech maple haidwood
series
forests.
Brown
mentioned
(1972) the occurre
first
but provided neither specific location nor
ot
m
tups to iich woodlands eastern Texas and was
generally consistent about
making
vouchers lor his photos but he either failed to do so in the case of U.
was
pcilohala oi the collection lost oi destroyed (Mark Mayfield, comm.).
pers.
The documented
Inst recoid of this species in the state was Nixon and Damuth's
(1987) icpoit lot Sabine Count) In 1989, Bridges and Orzell presented an
ac-
count
ot the species \n Texas citing seven collections, from Sabine County.
all
m
Tmne.
etal (2003) the Atkiso/VdsculurP/antso/
Texas, illustrate the
distri-
bution
o( the species as being Sabine Shelby, and Augustine The
counties.
St.
m
occunmg
species repoited Nacogdoches County
as
is for the time.
first
addition
In to distinctive perfoliate leaves, the species characterized by
is
cm
short long rhizomes scanous smooth-margined and
hollow
I leaves, terete
stems
aerial In the following only one
of exsiccatae, specin
list
Uvulana
2 L
sessilifolia
The
Uvulana
distribution of se^sihfoha extends from southern Canada
(Ontario
and Nova
south and
Scotia) to Florida west to Texas, Oklahoma, and North
&
Dakota (Wilbur 1963 Utech Kawano Uvulana
2002). has been
sessilifolia
documented
Newton
in three locations in County and one location in Jasper
km
County
approximately 280 from County
(Fig. the Cass location
1), cited in
km
and
this paper, 210 from
its nearest Louisiana record in Lincoln Parish (Tho-
&
m
mas
The
Allen, 1993). species occurs moist hardwood and bottomland
for-
ests, but in more xeric sites than U. pcrfoliata. The distribution map
of this spe-
&
cies in Flora of North America (Utech Kawano 2002) shows
occurring
in
it
extreme
northeast perhaps Bowie Lamar
Texas, or possibly and Red River coun-
map
ties (the small scale of the prevents accurate determination
of county),
which Oklahoma
border and Red
all the River. Examination of specimens from
these cotinties determined to be U. sessilifolia showed them to be immature and
specimens
Polygonatum
sterile of hiflorum
(Walt.) EUiott. (Liliaceae), a species
uncommon
and
that is sporadic where occurs in east Texas. The Cass County
it
specimen
only
cited is the report of the species outside of the longleaf pine
re-
gion of southeast Texas (Newton and
Jasper counties).
.
Texas.
Distribution of Uvularia perfoliata (triangles) (circles) in
Fig. 1
.
Uvularia H/oIiacanbedis-
addition non-perfoliate leaves,
In to sessile si
cm
more
from by longer rhizome of 10 or in length,
;inguished U. perfoliata its
and stems
that
margined leaves that are very finely serrulate, aerial
5carious
specimens, both the Cass
angled and In the following citations of
ire solid.
:ounty and Jasper County records are reported for the first time. Because of the
m
ity of ihc species the
stj
ACKNOWLEDGMENTS
We
Tom
Wendt
are grateful to (TEX) for his assistance and Mark Mayfield
(for-
now
merly of LSU, of KSC) information on Brown
for the colfections of Claire
We
acknowledge Army
also the cooperation of the United States Corps of En-
gineers granting pubhc
for access to lands near Lake Wright Patman Bowie
in
and
Cass counties. Richard Carter (VSC) and Heather White (BAYLU)
reviewed
preliminary
versions of the manuscript.
REFERENCES
WN.CA.
972.Wilclflowers of Louisiana and adjoining
states.
1
Baton Rouge,
ress, LA.
H
and
E.S. S.C Damuih. 987. Five additions to the Texas Sida 12:421-422.
flo
1 a.
.
and Au
MAS, R.D. C.A. n. 993. Atlas of the vascular flora of Louisiana.Vol.l: Ferns and
1
i
em
allies,conifers,&monocotyledons.LouisianaDept.Wildlife&Fisheries,Baton
Rouge.
NiR,B,L.,H,Ni(H()LS,G,DENNY,andO.DoR()N.2003.Atlasoftheva
cular plants of Texas, Vol.
Sida Bot. Misc. Botanical Research
24, Institute of Texas, ^orth.
Ft.
and
H, F.H. S, Kawano. 2002. Uvulana Flora of North Amer can committee
In: editorial
Bds.), Flora of North America, vol. 26. Magnoliophyta: :LilialesandOrchidales,
Liliida
147-150.
p.
L A
UR, R. 1963, revision of the North American genus Uvu
ar/o (Liliaceae).Rhodora