Common Names
Common Names in English:
Annual Trampweed, Facelis
Description
Genus Facelis
Annuals
, 3-30 cm (taprooted or fibrous-rooted, not stoloniferous
). Stems usually 1, erect
to decumbent
. Leaves cauline; alternate; sessile; blades
spatulate
or oblanceolate
to lance-linear
, bases
± cuneate, margins
entire
(usually revolute
), faces
bicolor, abaxial
gray, tomentose
, adaxial
green, glabrous
. Heads disciform
, usually in ± capitate to loose
, spiciform
arrays, rarely borne singly (in leaf axils
). Involucres narrowly ovoid
or nearly cylindric
[campanulate
or broadly turbinate
], 8-11 mm.
Phyllaries in 3-5+ series, usually greenish to stramineous
, sometimes purplish (hyaline
, stereomes
not glandular
), unequal, chartaceous
toward tips
. Receptacles flat, smooth
, epaleate. Peripheral (pistillate
) florets 10-25 (more numerous
than bisexual
) ; corollas whitish to purplish. Inner (bisexual) florets 3-5; corollas white to purplish. Cypselae obovoid
, ± compressed
(2-3-nerved), faces silvery sericeous
(hairs
not myxogenic) ; pappi persistent
, of 20-30+, distinct
or basally connate
, ± plumose
bristles
in 1 series. x = 14.
Species 3 or 4: North America, South America, Africa, Australia.Guy L. Nesom "Facelis". in Flora of North America Vol. 19, 20 and 21 Page 58, 384, 387, 442. Oxford University Press. Online at EFloras.org.
Physical Description
Species Facelis retusa
Stems usually with decumbent to nearly procumbent branches arising from bases , 3-30 cm, loosely tomentose . Leaves crowded; blades 7-20(-30) × 1.5-4 mm, apices truncate-apiculate to retuse . Heads : clusters subtended by bractlike leaves. Cypselae 1.6 mm; pappi 10-11 mm. 2n = 14. [source]
Flowers: Bloom Period: March, April, May, June.
Habitat
Lawns, roadsides, pastures, other disturbed
sites, usually on sandy
soils; 0-100 m
(Ref. 100637).
Typically found at an altitude of 0 to 565 meters (0 to 1,854 feet).Mean = 104.250 meters (342.028 feet), Standard Deviation = 113.830 based on 191 observations. Altitude information for each observation from British Oceanographic Data Centre.
Taxonomy
- Kingdom:
Plantae
(
)
- Plants
- Phylum:
Tracheophyta
()
- Vascular Plants
- Class:
Magnoliopsida
()
- Dicotyledons
- Order:
Asterales
()
- Family:
Noctuoidea
()
- Genus:
Facelis
()
- Cassini, Bull. Sci. Soc. Philom. Paris. 1819: 94. 1819.
- Trampweed
- Specific epithet:
retusa
- (Lamarck) Schultz-Bipontinus, Linnaea. 34: 532. 1866.
- Botanical name: - Facelis retusa (Lam.) Schultz-Bip.
- Specific epithet:
retusa
- (Lamarck) Schultz-Bipontinus, Linnaea. 34: 532. 1866.
- Genus:
Facelis
(
- Family:
Noctuoidea
(
- Order:
Asterales
(
- Class:
Magnoliopsida
(
- Phylum:
Tracheophyta
(
Unambiguous Synonyms
- Facelis apiculata Cass.
- Gnaphalium retusum Lamarck in J. Lamarck et al., Encycl. 2: 758. 1788
Notes
Name Status: Accepted Name . Latest taxonomic scrutiny: 15-Mar-2000
Similar Species
Members of the genus Facelis
There are approximately 9 species in this genus:
F. capillaris · F. lasiocarpa · F. lasiocarpha · F. plumosa · F. retusa (Annual Trampweed) · F. retusa f. planifolia · F. retusa patula · F. retusa var. typica · F. schultziana
Bibliography
- Beauverd, G. 1913. Le genre Facelis Cassini (emend. Beauverd). Bull. Soc. Bot. Genève, sér. 2, 5: 212220.
More Info
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Notes
Contributors
- "Facelis retusa". in Flora of North America Vol. 19, 20 and 21 Page 442, 443. Published by Oxford University Press. Online at EFloras.org.
- Bisby, F.A., Y.R. Roskov, M.A. Ruggiero, T.M. Orrell, L.E. Paglinawan, P.W. Brewer, N. Bailly, J. van Hertum, eds (2007). Species 2000 & ITIS Catalogue of Life: 2007 Annual Checklist. Species 2000: Reading, U.K.
- Global Biodiversity Information Facility. Accessed November 22, 2007. http://www.gbif.org Mediated distribution data from 9 providers.
- MBLWHOI Library: Universal Biological Index and Organizer. uBio.org accessed July 17, 2008.
Data Sources
Accessed through GBIF Data Portal November 22, 2007:
- Australian National Herbarium
- , Australian National Herbarium
- Missouri Botanical Garden, Missouri Botanical Garden
- USDA PLANTS, USDA PLANTS Database
- University of Alabama Biodiversity and Systematics, Herbarium
Identifiers
- Biodiversity Heritage Library NamebankID: 2658551
- Catalogue of Life Accepted Name Code: ITS-37367
- Global Biodiversity Information Facility Taxonkey: 13749144
- Globally Unique Identifier: urn:lsid:ipni.org:names:61087-3
- Integrated Taxonomic Information System (ITIS) Taxonomic Serial Number (TSN): 37367
- Natural Heritage Network Species Identifier: PDAST3T010
- U.S.D.A. Plant Symbol: FAAP
- Zipcode Zoo Species Identifier: 39131
