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Trianthema portulacastrum L.
GIANT PIGWEED
Black Pigweed; Trianthema monogyna L; Desert horsepurslane; Verdolaga de caballo

Life   Plantae   Dicotyledoneae   Aizoaceae   Trianthema

Links

Associates · map
FamilyScientific name @ source (records)
Albuginaceae  Albugo trianthemae @ BPI (1)
Andrenidae  Calliopsis pectidis @ AMNH_BEE (1)

Calliopsis subalpina @ AMNH_BEE (1)

Pseudopanurgus fraterculus @ AMNH_BEE (2)
Apidae  Melissodes paroselae @ BBSL (1); AMNH_BEE (1)

Triopasites penniger @ AMNH_BEE (1)
Halictidae  Agapostemon angelicus @ AMNH_BEE (5)

Agapostemon obliquus @ AMNH_BEE (1)

Agapostemon tyleri @ AMNH_BEE (1)

Halictus tripartitus @ AMNH_BEE (3)

Lasioglossum semicaeruleum @ AMNH_BEE (27)
Miridae  Lygus lineolaris @ MEMU_ENT (1)

Taedia marmorata @ AMNH_ENT (3)
Mycosphaerellaceae  Cercospora trianthemae @ BPI (1)
Pleosporaceae  Stemphylium botryosum @ BPI (1)
_  Gibbago trianthemae @ BPI (1)

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Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=TRPO2 ---> https://plants.usda.gov/java/profile?symbol=TRPO2
https://plants.usda.gov/java/profile?symbol=TRPO2 ---> http://plants.usda.gov/core/profile?symbol=TRPO2
http://plants.usda.gov/core/profile?symbol=TRPO2 ---> https://plants.usda.gov/core/profile?symbol=TRPO2
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You are here: Home / Plant Profile

Trianthema portulacastrum L.
desert horsepurslane


General Information
Symbol: TRPO2
Group: Dicot
Family: Aizoaceae
Duration: Annual
Perennial
Growth Habit : Forb/herb
Native Status : HI   I
L48   N
PR   N
VI   N
Data Source and Documentation
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Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   

Images



slideshow

Synonyms

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Caryophyllidae
Order Caryophyllales
Family Aizoaceae – Fig-marigold family
Genus Trianthema L. – trianthema
Species Trianthema portulacastrum L. – desert horsepurslane

Subordinate Taxa

This plant has no children

Legal Status

U.S. Weed Information
Trianthema portulacastrum horse purslane This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S.
SWSS Southern Weed Science Society. 1998. Weeds of the United States and Canada. CD-ROM . Southern Weed Science Society. Champaign, Illinois.

Wetland Status

Interpreting Wetland Status

Top Level Regions
Caribbean FAC
Hawaii FAC
North America
Arid West FAC
Atlantic and Gulf Coastal Plain FACW
Eastern Mountains and Piedmont FAC
Great Plains FACW
Midwest FAC
Western Mountains, Valleys, and Coast FAC

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (TRPO2)
CalPhotos (TRPO2)
Flora of North America (TRPO2)
Integrated Taxonomic Information System (TRPO2)
Jepson Interchange (University of California - Berkeley) (TRPO2)
Native American Ethnobotany (University of Michigan - Dearborn) (TRPO2)
USF Atlas of Florida Vascular Plants (TRPO2)
University of Tennessee Herbarium (Distribution) (TRPO2)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover


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Following modified from Flora of North America
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Link to Flora of North America home
 
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FNA Vol. 4 Page 83 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 4 | Aizoaceae | Trianthema

1. Trianthema portulacastrum Linnaeus, Sp. Pl. 1: 223. 1753.

Desert horse-purslane

T. procumbens Miller

Plants annual, succulent, usually glabrous. Stems prostrate or decumbent, diffusely branched, to 10 dm; young branches with lines of minute hairs proximal to petioles. Leaves: unequal pairs alternating along stem; stipules dilated at base; petiole usually equaling blade; blade elliptic to orbiculate, to 4 cm, apex obtuse, often notched, or apiculate. Inflorescences: flowers usually solitary, sessile, in axils of smaller leaves (bracts) of some pairs, partly covered by sheathing stipule of bracts; bracteoles connate, 1-1.5 mm, apex acute. Flowers: calyx 3-5 mm; calyx lobes purple adaxially, lanceolate, 2.5 mm; stamens 5-10. Capsules cylindric, ± curved, 4-5 mm, corky, basal portion appearing embedded in stem, apical portion containing 1 seed; apical wings 2, prominent, erect, crestlike. Seeds ca. 7, dull reddish brown to black, ridged, 1.5-2 mm.

Flowering spring-fall. Moist or seasonally dry, usually open, wetlands including alkaline flats, playa lakes, banks of rivers, creeks, roadside depressions, beaches, disturbed areas including gardens, irrigated soils and ditches, fields, ballast, stockyards, sidewalks, railroad tracks; 0-1000 m; Ala., Ariz., Ark., Calif., Fla., Ga., La., Md., Miss., Mo., Nev., N.J., N.Mex., N.C., Okla., S.C., Tenn., Tex., Utah, Va.; Mexico; West Indies; Central America; South America; Africa.

In Arizona, Trianthema portulacastrum is a host plant of the beet leafhopper (T. H. Kearney and R. H. Peebles 1960). Seed dispersal is achieved by several methods: one seed is dispersed in the detached cap of the capsule, which can float, and the other seeds are either dispersed individually from the capsule or remain on the annual, parent plant where they will germinate and establish new plants where the parent once grew or was deposited.

Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Trianthema+portulacastrum&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Trianthema+portulacastrum&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

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Number of matches : 17
Query: SELECT * FROM img WHERE ready=1 and taxon like "Trianthema portulacastrum%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Trianthema portulacastrum
Trianthema portulacastrum
ID: 0000 0000 0904 0242 [detail]
© 2004 James M. Andre

Trianthema portulacastrum
Trianthema portulacastrum
Desert Horse-purslane
ID: 0000 0000 0105 2762 [detail]
© 2005 James M. Andre

Trianthema portulacastrum
Trianthema portulacastrum
Desert Horse-purslane
ID: 0000 0000 0105 2763 [detail]
© 2005 James M. Andre

Trianthema portulacastrum
Trianthema portulacastrum
Horse Purslane
ID: 0000 0000 1109 2244 [detail]
© 2009 Neal Kramer

Trianthema portulacastrum
Trianthema portulacastrum
Horse Purslane
ID: 0000 0000 1109 2245 [detail]
© 2009 Neal Kramer

Trianthema portulacastrum
Trianthema portulacastrum
Horse Purslane
ID: 0000 0000 1109 2247 [detail]
© 2009 Neal Kramer

Trianthema portulacastrum
Trianthema portulacastrum
Horse Purslane
ID: 0000 0000 1109 2248 [detail]
© 2009 Neal Kramer

Trianthema portulacastrum
Trianthema portulacastrum
Horse Purslane
ID: 0000 0000 1109 2249 [detail]
© 2009 Neal Kramer

Trianthema portulacastrum
Trianthema portulacastrum
Horse Purslane
ID: 0000 0000 0112 0259 [detail]
© 2012 Neal Kramer

Trianthema portulacastrum
Trianthema portulacastrum
Horse Purslane
ID: 0000 0000 0112 0261 [detail]
© 2012 Neal Kramer

Trianthema portulacastrum
Trianthema portulacastrum
Horse Purslane
ID: 0000 0000 0112 0262 [detail]
© 2012 Neal Kramer

Trianthema portulacastrum
Trianthema portulacastrum
Desert Horsepurslane
ID: 0000 0000 0914 1229 [detail]
© 2014 Richard Spellenberg

Trianthema portulacastrum
Trianthema portulacastrum
Desert Horsepurslane
ID: 0000 0000 0914 1230 [detail]
© 2014 Richard Spellenberg

Trianthema portulacastrum
Trianthema portulacastrum
Desert Horsepurslane
ID: 0000 0000 0914 1231 [detail]
© 2014 Richard Spellenberg

Trianthema portulacastrum
Trianthema portulacastrum
ID: 0000 0000 1114 0317 [detail]
© 2014 John Doyen

Trianthema portulacastrum
Trianthema portulacastrum
ID: 0000 0000 1114 0318 [detail]
© 2014 John Doyen

Trianthema portulacastrum
Trianthema portulacastrum
ID: 0000 0000 1114 0319 [detail]
© 2014 John Doyen

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


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