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Eriocaulon decangulare L.
Ten-Angled Pipewort

Life   Plantae   Monocotyledoneae   Eriocaulaceae   Eriocaulon

Eriocaulon decangulare
© Copyright Bobby Hattaway 2011 · 5
Eriocaulon decangulare

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Eriocaulon decangulare
© Copyright Bobby Hattaway 2011 · 5
Eriocaulon decangulare
Eriocaulon decangulare
© Copyright Bobby Hattaway 2011 · 5
Eriocaulon decangulare

Eriocaulon decangulare
© Copyright Bobby Hattaway 2011 · 5
Eriocaulon decangulare
Eriocaulon decangulare
© Copyright Bobby Hattaway 2011 · 5
Eriocaulon decangulare

Eriocaulon decangulare
© Copyright Bobby Hattaway 2011 · 5
Eriocaulon decangulare

Associates · map
FamilyScientific name @ source (records)
Ascalaphidae  Ululodes quadripunctatus @ I_TQBH (1)
Colletidae  Hylaeus confluens @ BBSL (1)

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Following modified from Delaware Wildflowers
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Delaware Wildflowers  •  Scientific names

Eriocaulon decangulare L. Ten-angle Pipewort
Eriocaulaceae — Pipewort family
Rare native
Eriocaulon decangulare
Sussex County
June 2001

More information on this plant, from other sources.

Copyright David G. Smith

Delaware Wildflowers main page

Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=ERDE5 ---> https://plants.usda.gov/java/profile?symbol=ERDE5
https://plants.usda.gov/java/profile?symbol=ERDE5 ---> http://plants.usda.gov/core/profile?symbol=ERDE5
http://plants.usda.gov/core/profile?symbol=ERDE5 ---> https://plants.usda.gov/core/profile?symbol=ERDE5
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Eriocaulon decangulare L.
tenangle pipewort

Image of Eriocaulon decangulare

General Information
Symbol: ERDE5
Group: Monocot
Family: Eriocaulaceae
Duration: Perennial
Growth Habit : Forb/herb
Native Status : L48   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   


click on a thumbnail to view an image, or see all the Eriocaulon thumbnails at the Plants Gallery

Robert H. Mohlenbrock. USDA SCS. 1991. Southern wetland flora: Field office guide to plant species . South National Technical Center, Fort Worth. Provided by USDA NRCS Wetland Science Institute (WSI). Usage Requirements .

©Richard A. Howard. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection . United States, GA, S.W. Usage Requirements .

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 1: 455. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. Provided by NRCS National Wetland Team . Usage Requirements .




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 Liliopsida – Monocotyledons
Subclass Commelinidae
Order Eriocaulales
Family Eriocaulaceae – Pipewort family
Genus Eriocaulon L. – pipewort
Species Eriocaulon decangulare L. – tenangle pipewort

Subordinate Taxa

The Plants Database includes the following 2 subspecies of Eriocaulon decangulare . Click below on a thumbnail map or name for subspecies profiles. Plant is native (blue) Native Plant is introduced Introduced Plant is introduced Native and Introduced Related taxa legend Distribution of <i>
Eriocaulon decangulare</i>
L. var. <i>
decangulare </i>
Eriocaulon decangulare var. decangulare
tenangle pipewort Distribution of <i>
Eriocaulon decangulare</i>
L. var. <i>
Eriocaulon decangulare var. latifolium
tenangle pipewort

Legal Status

Threatened and Endangered Information:
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete protected plant list for that location.
Pennsylvania ten-angle pipewort Extirpated
Tennessee ten-angle pipewort Endangered

Wetland Status

Interpreting Wetland Status

North America
Atlantic and Gulf Coastal Plain OBL
Eastern Mountains and Piedmont OBL
Great Plains OBL
Northcentral & Northeast OBL

Related Links

More Accounts and Images
Flora of North America (ERDE5)
Integrated Taxonomic Information System (ERDE5)
Lady Bird Johnson Wildflower Center Native Plant Information Network (ERDE5)
USF Atlas of Florida Vascular Plants (ERDE5)
University of Tennessee Herbarium (Distribution) (ERDE5)



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


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 | Family List | FNA Vol. 22 | Eriocaulaceae | Eriocaulon

5. Eriocaulon decangulare Linnaeus, Sp. Pl. 1: 87. 1753.

Eriocaulon serotinum Walter; E. statices Crantz; Randalia decangularis Palisot de Beauvois; Symphachne xyrioides (Linnaeus) Palisot de Beauvois

Herbs, perennial, 30--110 cm. Leaves linear or linear-attenuate, abruptly, then gradually, narrowing, 10--40(--50) cm, apex acute or obtuse. Inflorescences: scape sheaths shorter than principal leaves; scapes linear, distally 1--2(--3) mm wide, multiribbed; heads dull white, hemispheric to nearly globose, 7--15 mm wide, hard, very slightly flattened when pressed; receptacle copiously hairy; involucral bracts reflexed, obscured by reflexed proximal bracteoles and flowers, straw-colored, narrowly ovate to lanceolate, 2--4 mm, margins erose to entire, apex acute, glabrous or apex with white, club-shaped hairs; inner bracts and receptacular bracteoles pale, linear to oblong or lanceolate, 3--4 mm, margins entire, sometimes becoming erose, apex narrowly acuminate, glabrous or apex with white, club-shaped hairs. Staminate flowers: sepals 2, yellow-white, linear, curved, 3 mm, distal surface abaxially, adaxially with white, club-shaped hairs; androphore club-shaped; petals 2, yellow-white, translucent, triangular to linear, nearly equal, with small tuft of white, club-shaped hairs abaxially at apex; stamens 4; anthers black. Pistillate flowers: sepals 2, yellow-white, linear, 2--3 mm, apex acute, abaxially with white, club-shaped hairs at apex; petals 2, pale, spatulate or narrowly elliptic, 1--2 mm, abaxially with translucent hairs proximally, white, club-shaped hairs distally, or adaxially glabrescent; pistil 2-carpellate. Seeds pale brown, ellipsoid, 0.75--1 mm, very finely cancellate or sometimes with cancellae concealed by rows of delicate nearly appressed hairs.

Flowering late spring--summer. Moist to wet sands or peats of shores, pine savanna, ditches, edges of cypress domes or savanna; 0--300 m; Ala., Ark., Del., D.C., Fla., Ga., La., Md., Miss., N.J., N.C., S.C., Tenn., Tex., Va.; Mexico; Central America (Nicaragua).

A possible variety, Eriocaulon decangulare var. latifolium Chapman ex Moldenke [in N. L. Britton et al., N. Amer. Fl. 19(1): 21. 1937], has yet to be thoroughly investigated. This plant typically is in the taller range and has thicker stems and scapes than in the type; it has very stiff blunt leaves to 50 cm ´ 13--20 mm with thicker scapes, heads 13--20 mm wide, and floral parts in the high range for the species. It occurs in wetter situations than usual for the species, and (fide R. R. Haynes, pers. comm.) flowers later. This morphology occurs in northwestern Florida and southern Alabama within boggy edges of cypress-titi-Nyssa on permanently wet substrates.

Updated: 2018-09-25 11:47:45 gmt
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