ERIGERON BELLIOIDES (ASTERACEAE), NEW TO FLORIDA AND THE CONTINENTAL UNITED STATES

2009·3.2 MB·English

by  Randy L Mears

NEW AND
TO
FLORIDA
ERIGERON (ASTERACEAE),
BELLIOIDES
THE CONTINENTAL UNITED STATES
L
Randy Mears
The below
southern Florida collections cited
DC. grows outside of cultivation in (Fig.
1).
Erigeron
bellioides
USA. The was not included
species
records from Florida as well as the continental
apparently the
are
first
and Cronquist
Johnston
summaries:
major Correll (1970),
mentioned in any of the following floristic
or
Wunderlin and
Wiggins
Hickman Long and
Lakela (1980),
(1976),
Cronquist (1993),
(1994),
(1980), et
al.
USDA-NRCS
Hansen
(2009).
(2003),
(Wagner
southern Caribbean region 1999).
Greater Antilles in the et al.
Erigeron native to the
bellioides is
Bahama
Archipelago
on Cuba, Hispanola, and Puerto Rico (Loigier et 1982). also occurs in the
occurs al. It
It
&
The has become established on some of the Hawaiian Islands as well as
species
Correll 1996).
(Correll
on Hawaiian
islands
(PIER personally observed the species naturalized the
2009).
other islands
Pacific
I
May in parts of native range.
Oahu
Kauai and in of 2004. Erigeron bellioides is referred to as "bellorita" its
of
Members
of the genus often are referred to as "fleabanes."
and
been observed flowering throughout the year in south Florida
The have
plants of Erigeron bellioides
damp The
were growing on grassy roadsides and medians of parking areas, in to wet soil at all of the sites.
Paspalum setaceum Michx., Eleusine indica (L.)
were Rottb.,
following species associated: Kyllinga brevifolia
Drymaria
Coronopus didymus Sm.,
Liebm.,
Michx., microphylla (L.)
Dichondra Pilea (L.)
Gaertn., caroliniensis
Youngiajaponica
Gaertn., (L.)
Synadrella
ex Calyptocarpus Less., nodiflora (L.)
cordata Willd. Schult., vialis
(L.)
DC, and corymbosa
Oldenlandia L.
Spermacoce
verticillata L.,
&
based on (Wagner 1999; Correll Correll 1996)
The following description of Erigeron bellioides is et al.
Miami-Dade with an
made within County. Plants
occurs
and on personal observations of the species as
it
cm and throughout. Stems simple or few-branched,
1-3 sparingly loosely villous
oblique rootstock long,
cm margined
4-10 with conspicuously petiole
a
Basal leaves rosulate,
ascending or stoloniform, long.
cm
and
broadly 3 long wide, entire to
than blades suborbicular to ovate, to ca.
usually longer the blade,
much Heads
and mostly obovate oblong. solitary or
reduced, to
obscurely few-toothed; cauline leaves few,
mm
mm
Rays
3-3.5 high, 5 broad; phyllaries in ca. 2 series, linear, acute, strigillose.
2-3; involucres ca.
mm
Achenes about long,
maturity.
white, barely as long as the phyllaries, tightly coiling at elliptic, flat, 1
mm
Pappus brownish, about long.
puberulent. 1.5
USA
among combination of annual duration,
This species distinctive Erigeron species in the in its
is
much
and reduced cauline
leaves.
very small spatulate leaves arranged in a basal rosette,
size,
-87
Texas 869
Res.
ot. Inst. 3(2):
la. Habit Mears 4725 (left); close up of flower (right, 19 Oct 2009). Photographs
ACKNOWLEDGMENTS
Guy Nesom comments improved an mai
L. provided helpful review that greatly earlier version of this
New
would also like to thank Robert F.C. Naczi of the York Botanical Garden for so graciously
ci
I
and and
providing several helpful suggestions pertaining to the format content of this paper.
REFERENCES
M.C
Manual The
and Johnston. 1970. of the vascular plants of Texas. University of Texas Printing
D.S.
Da
Division, Texas.
las,
I
Bahama
Gantner
and Correll 996. of the Archipelago. Verlag FL-9490 Vaduz.
Correll, D.S. H.B. Flora A.R. KG.,
1
Cronquist, A. 1980. Vascular flora of the southeastern United States Vol. Asteraceae. Univ. of North Carolina
1,
Chapel
Press,
Hill.
Volume
Cronquist, A. et 994. Intermountain vascular plants of the Intermountain West, U.S.A. 5 Asterales.
flora:
al.
1
New
York Botanical Garden, Bronx.
Hickman J.C 1993. The Jepson manual: higher plants of California. Univ. of California Press, Berkeley and Los
Angeles.
HA
and
and Martorell 1982. of Puerto Rico adjace systematic synopsis.
Logier, Flora islands: a Editorial
L.F.
Puerto
Univ. Rico.
Long, R.W. and 0. Lakela. 1976. A flora of tropical Florida: a manual of the seed plants and ferns of Southern
Banyan
Peninsular Books, Miami,
Florida. Florida.
new
871
Mears, Erigeron bellioides, to Flordia
ecosystems of <http://www.hear.org/
2009. Pacific Island at risk (PIER). Institute Pacific Islands Forestry,
Pier.
pier/index.html>
PLANTS
USDA-NRCS. 2009. The Database. National Plant Data Center, Baton Rouge, <http://plants.usda.
La.
Volume
Manual
Wagner, W.L, and Sohmer. 1999. of the flowering plants of Hawai'i revised edition
D.R. Herbst, S.H.
Museum
Bishop Honolulu.
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1.
Wiggins, 980. Flora of Baja California. Stanford Univ. Press, Stanford, California.
II.
1
Second
Wunderlin, and Hansen. 2003. Guide to the vascular plants of Florida, Edition. Univ. Press of Florida,
R.P. B.F.