Common Names
Common Names in English:
White Eatonella, White False Tickhead
Description
Genus Eatonella
Annuals
, 1-3(-5+) cm. Stems decumbent
to erect
, often branched from bases
(woolly
). Leaves basal (mostly) and cauline; opposite (proximal
) or alternate (mostly) ; petiolate
or sessile; blades
spatulate
to oblanceolate
, margins
entire
, faces
woolly-tomentose. Heads radiate
, borne singly. Involucres campanulate
, 3-5 mm diam. Phyllaries persistent
, 8-13 in (1-) 2 series (reflexed
in fruit, distinct
, linear
to oblong
, herbaceous, ± conduplicate
, woolly). Receptacles flat or convex
, pitted
or smooth
, glabrous
, epaleate. Ray
florets 8-13, pistillate
, fertile
; corollas yellowish or purplish. Disc florets 7-12+, bisexual
, fertile; corollas yellowish, tubes
shorter than or about equaling campanulate throats, lobes
4-5, ± deltate. Cypselae compressed
, linear-oblanceolate, (callous-margined) ciliate
; pappi persistent, of 2 ± laciniate
to nearly entire, often uniaristate
scales
. x = 19.
Species 1: w North America.John L. Strother "Eatonella". in Flora of North America Vol. 21 Page 335, 336, 348. Oxford University Press. Online at EFloras.org.
Physical Description
Species Eatonella nivea
Stems usually crowded in tufts. Leaves 10-2(0-30) × 3-8(-12) mm. Peduncles 1-35+ mm. Involucres 4-6+ mm. Ray corollas inconspicuous, laminae ± erect , 2-2.5 mm. Disc corollas 1.5-3 mm. Cypselae black, 2.5-3.5 mm, hairs on margins 0.6-1.2 mm; pappus scales 1.5-2.5 mm. 2n = 38. [source]
Habit: Forb/herb
Flowers: Bloom Period: February, March, April. • Flower Color: pale yellow, yellow
Size/Age/Growth
Size: under 6" tall.
Habitat
Sandy or gravelly soils, often with sagebrush scrub
; 800-3100 m
(Ref.
99991).
Biology
Reproduction
Duration: Annual
Growth
Sunlight: Sun Exposure: Full Sun .
Taxonomy
- Kingdom:
Plantae
(
)
- Plants
- Phylum:
Tracheophyta
()
- Vascular Plants
- Class:
Magnoliopsida
()
- Dicotyledons
- Order:
Asterales
()
- Family:
Noctuoidea
()
- Genus:
Eatonella
()
- A. Gray, Proc. Amer. Acad. Arts. 19: 19. 1883.
- [For Daniel Cady Eaton, 1834-1885, American botanist]
- Specific epithet:
nivea
- (D. C. Eaton) A. Gray, Proc. Amer. Acad. Arts. 19: 19. 1883.
- Botanical name: - Eatonella nivea (D.C. Eat.) Gray
- Specific epithet:
nivea
- (D. C. Eaton) A. Gray, Proc. Amer. Acad. Arts. 19: 19. 1883.
- Genus:
Eatonella
(
- Family:
Noctuoidea
(
- Order:
Asterales
(
- Class:
Magnoliopsida
(
- Phylum:
Tracheophyta
(
Unambiguous Synonyms
- Burrielia nivea D. C. Eaton in S. Watson, Botany (Fortieth Parallel), 174, plate 18, figs. 6-14. 1871
- Eatonella nivea (D. C. Eat.) Gray
Notes
Name Status: Accepted Name . Latest taxonomic scrutiny: 15-Mar-2000
Similar Species
Members of the genus Eatonella
There are approximately 2 species in this genus:
E. congdoni · E. nivea (White Eatonella)
More Info
- Search for Pictures: images.google.com
- Search for Scholarly Articles: Google Scholar
- Search using Scientific Name and Vernacular Names: All the Web | AltaVista Canada | AltaVista | Excite | Google | HotBot | Lycos
- Search using Specialized Databases: GenBank | Medline | Scirus | CISTI/CAL | Agricola Periodicals | Agricola Books
Notes
Contributors
- "Eatonella nivea". in Flora of North America Vol. 21 Page 349. Published by Oxford University Press. Online at EFloras.org.
- Bisby FA, Roskov YR, Orrell TM, Nicolson D, Paglinawan LE, Bailly N, Kirk PM, Bourgoin T, van Hertum J, eds (2008). Species 2000 & ITIS Catalogue of Life: 2008 Annual Checklist Taxonomic Classification. CD-ROM; Species 2000: Reading, U.K.
- Global Biodiversity Information Facility. Accessed February 16, 2008. http://www.gbif.org Mediated distribution data from 5 providers.
- MBLWHOI Library: Universal Biological Index and Organizer. uBio.org accessed July 17, 2008.
Data Sources
Accessed through GBIF Data Portal February 16, 2008:
- Berkeley Natural History Museums, University and Jepson Herbaria DiGIR provider
- Oregon State University, Vascular Plant Collection
- USDA PLANTS, USDA PLANTS Database
- Utah State University, USU-UTC Specimen Database
Identifiers
- Biodiversity Heritage Library NamebankID: 2658477
- Catalogue of Life Accepted Name Code: ITS-37273
- Global Biodiversity Information Facility Taxonkey: 13749435
- Globally Unique Identifier: urn:lsid:ipni.org:names:202356-1
- Integrated Taxonomic Information System (ITIS) Taxonomic Serial Number (TSN): 37273
- Natural Heritage Network Species Identifier: PDAST37020
- U.S.D.A. Plant Symbol: EANI
- Zipcode Zoo Species Identifier: 36452
