Flora of New York/Millerieae, Madieae, Eupatorieae

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Coreopsideae … Ambrosieae
Flora of New York — Millerieae, Madieae, Eupatorieae
Apiales
Table of
contents
Genus
index
Protected species index Invasive species index


Tribe Millerieae[edit]

Subtribe Milleriinae[edit]

Smallanthus[edit]

Smallanthus uvedalia
Hairy leafcup (Smallanthus uvedalia) was present in and collected from western New York during the first half of the twentieth century, but has not been confirmed since.
Asterales — Asteraceae — Asteroideae — Millerieae — Milleriinae — Smallanthus
Smallanthus Smallanthus N.Y. Status Images Distribution NY NE
(L.) Mack. ex Small

1753. Osteospermum uvedalia L.
1763. Polymnia uvedalia (L.) L.
1933. Smallanthus uvedalius
(L.) Mack. ex Small
Hairy leafcup,
Bear's-foot,
Yellow-flowered leafcup
Native, C:10,
Endangered,
No recent reports
Smallanthus uvedalia - hairy leafcup.jpg
Nymap.svg
NYFA-Z
USDA-N0
NEW-0
ARS ITIS

BNA


Images, wsp
Guizotia[edit]

Niger-seed (Guizotia abyssinica) is commonly used to feed birds, which may account for its occasional temporary introduction.

Asterales — Asteraceae — Asteroideae — Millerieae — Milleriinae — Guizotia
GuizotiaCass. Guizotia N.Y. Status Images Distribution NY NE
 (L.f.) Cass.

1782. Polymnia abyssinica L.f.
1829. Guizotia abyssinica (L.f.) Cass.
1836. Guizotia oleifera DC.
Niger-seed,
Ramtilla
Introduced from
 Africa,
Impersistent

UPL

Annual,
Herb-forb
Guizotia abyssinica.jpg
Guizotia abyssinica NY-dist-map.png
NYFA-X
USDA-XW
NEW Can
ARS ITIS
FNA 



Images, wsp

Subtribe Galinsoginae[edit]

Galinsoga[edit]

Galinsoga quadriradiata
shaggy soldier

Asterales — Asteraceae — Asteroideae — Millerieae — Galinsoginae
GalinsogaRuiz & Pav. Gallant-soldier N.Y. Status Images Distribution NY NE
 Cav.

    G. aristulata E.P.Bicknell
    G. bicolorata H.St.John & D.White
    G. caracasana (DC.) Sch.Bip.
    G. ciliata (Raf.) S.F.Blake
Fringed quickweed,
Peruvian daisy,
Shaggysoldier
Introduced Galinsoga ciliata flowers2.JPG
Galinsoga quadriradiata NY-dist-map.png
NYFA-X
USDA-XX
NEW 





Images, wsp
 Cav.

    Galinsoga semicalva
Gallant-soldier,
Small-flowered quickweed
Introduced 20130702Knopfkraut Saarbruecken1.jpg
Galinsoga parviflora NY-dist-map.png
NYFA-X
USDA-XX
NEW 





Images, wsp

Subtribe Melampodiinae[edit]

Acanthospermum[edit]

Acanthospermum australe
Paraguay starbur

Asterales — Asteraceae — Asteroideae — Millerieae — Melampodiinae
AcanthospermumSchrank Starbur N.Y. Status Images Distribution NY NE
(Loefl.) Kuntze

1758. Melampodium australe Loefl.
1818. Centrospermum xanthioides Kunth
1820. Acanthospermum brasilum Schrank
1836. A. xanthioides (Kunth) DC.
1891. A. australe (Loefl.) Kuntze
Southern starburr,
Paraguayan starbur,
Paraguay-starbur,
Paraguay-bur,
Sheepbur,
Spiny-bur
Introduced from
 South America,
Impersistent,
Not naturalized
Acanthospermum australe00.jpg
Nymap.svg
NYFA-Xm
USDA-XX

ARS 




Images, wsp
 DC.

1836. A. hispidum DC.
 auct. A. humilenon (Sw.) DC.
Hispid starburr,
Hispid starbur,
Bristly starbur
Introduced from
 South America,
Impersistent,
Not naturalized
Acanthospermum hispidum W2 IMG 2208.jpg
Acanthospermum hispidum NY-dist-map.png
NYFA-Xm
USDA-XX

ARS ITIS
FNA 



Images, wsp
Acanthospermum (excluded taxa) Starbur N.Y. Status Images Distribution NY NE
 (Sw.) DC.

1788. Melampodium humile Sw.
1832. Centrospermum humile (Sw.) Less.
1836. A. humile (Sw.) DC.
Low starburr,
Low starbur
Introduced,
N.Y. excluded,
Misidentified[1]
Excluded nymap.svg
NYFA-XCLD
USDA-X0

ARS ITIS
FNA 



Images, wsp
  1. Specimens from New York City, identified as Acanthospermum humile, were later re-itentified as Acanthospermum hispidum.

Tribe Madieae[edit]

Known as the tarweed tribe, Madieae includes plants known as tarweeds from the western United States.

Subtribe Arnicinae[edit]

Arnica[edit]

Arnica lanceolata ssp. prima
clasping arnica

Asterales — Asteraceae — Asteroideae — Madieae — Arnicinae — Arnica
Arnica Arnica N.Y. Status Images Distribution NY NE
 Nutt.
ssp. lanceolata

    Arnica mollis var. petiolaris
Lance-leaved arnica,
Lanceleaf arnica,
New England arnica,
Hairy arnica
Arnica à aigrettes brunes,
Arnica soyeux
Native,
Endangered
Alpine Arnica (3816805980).jpg
Nymap.svg
NYFA-1
USDA-NN
NEW 
ARS 

BNA


Images, wsp

Subtribe Madiinae[edit]

Madia[edit]

Asterales — Asteraceae — Asteroideae — Madieae — Madiinae — Madia
Madia Tarweed N.Y. Status Images Distribution NY NE
 Hook.

Mountain tarweed Introduced,
Impersistent,
N. America native
Madia glomerata (3768279512).jpg
Nymap.svg
NYFA-Xm
USDA-NN






Images, wsp
 Molina

Chilean tarweed,
Coast tarweed
Introduced,
Impersistent,
US West native
Madia sativa (3562644053).jpg
Nymap.svg
NYFA-Xm
USDA-NX






Images, wsp

Centromadia[edit]

Centromadia pungens ssp. pungens - common spikeweed

Asterales — Asteraceae — Asteroideae — Madieae — Madiinae — Centromadia
Centromadia Spikeweed N.Y. Status Images Distribution NY NE
(Hook. & Arn.) Greene
ssp. pungens

1841. Hartmannia pungens Hook. & Arn.
1843. Hemizonia pungens
(Hook. & Arn.) Torr. & A. Gray
1894. Centromadia pungens
(Hook. & Arn.) Greene
Common spikeweed,
Common tarweed,
Pungent false tarplant
Introduced from
 southwestern USA,
Impersistent,
Not naturalized
Centromadia pungens ssp. pungens BLM-2 (cropped).jpg
Nymap.svg
NYFA-X
USDA-N0

ARS 




Images, wsp

Tribe Eupatorieae[edit]

Subtribe Oxylobinae[edit]

Ageratina[edit]

Ageratina altissima
white snakeroot

Asterales — Asteraceae — Asteroideae — Eupatorieae — Oxylobinae — Ageratina
Ageratina Snakeroot N.Y. Status Images Distribution NY NE
var. altissima

1753. Ageratum altissimum L.
1779. Eupatorium rugosum Houtt.
1970. Ageratina altissima
(L.) R.M.King & H.Rob.
White snakeroot,
Richweed
Eupatoire rugueuse,
Eupatoire à feuilles molles
Native,
Secure
Ageratina altissima SCA-7676+77.jpg
Nymap.svg
NYFA-5
USDA-NN
NEW Can
ARS ITIS

BNA


Images, wsp
var. aromatica

Small white snakeroot,
Small-leaved white snakeroot,
Lesser snakeroot
Native,
Endangered,
Protected (a)
Ageratina aromatica 003.jpg
Ageratina aromatica aromatica drawing.png
Nymap.svg
NYFA-1






Images, wsp

Subtribe Mikaniinae[edit]

Mikania[edit]

Mikania scandens
climbing hempweed

Asterales — Asteraceae — Asteroideae — Eupatorieae — Mikaniinae — Mikania
Mikania Hempvine N.Y. Status Images Distribution NY NE
 (L.) Willd.

Climbing hempweed Native, C:6,
Likely secure

OBL

Perennial,
Herb-vine
Starr 031108-0004 Mikania scandens.jpg
Nymap.svg
NYFA-4
USDA-NX
NEW 





Images, wsp

Subtribe Gyptidinae[edit]

Conoclinium[edit]

Asterales — Asteraceae — Asteroideae — Eupatorieae — Gyptidinae — Conoclinium
Conoclinium Thoroughwort N.Y. Status Images Distribution NY NE
 (L.) DC.

1753. Eupatorium coelestinum L.
1836. Conoclinium coelestinum (L.) DC.
1878. Conoclinium dichotomum Chapm.
Blue mistflower,
Blue boneset
Introduced,
N. America native
Conoclinium coelestinum kz1.jpg
Nymap.svg
NYFA-X
USDA-NX?
NEW Can
ARS ITIS

NSE BNA


Images, wsp

Subtribe Liatridinae[edit]

Liatris[edit]

Asterales — Asteraceae — Asteroideae — Eupatorieae — Liatridinae — Liatris
Liatris Blazing star N.Y. Status Images Distribution NY NE
 (L.) Willd.
var. spicata

    
    
    
Button blazing star,
Marsh blazing star,
Dense blazing star,
Dense gayfeather
N. America native,
Unk. NY nativity

FAC

Perennial,
Herb-forb,
Sun
Liatris spicata 1.jpg
Nymap.svg
NYFA-UN
USDA-NN
NEW 


NSE BNA
LBJ

Images, wsp
 (L.) Willd.
var. novae-angliae Lunell

New England blazing star Native, C:9,
Threatened
Savanna Blazing-star (Liatris scariosa) (21304763556).jpg
Nymap.svg
NYFA-2
USDA-N0
NEW 





Images, wsp
 (L.) Willd.
var. nieuwlandii (Lunell) E.G. Voss

Nieuwland's blazing star Native, C:8,
Endangered
Liatris scariosa kz1.jpg
Nymap.svg
NYFA-1
USDA-N0






Images, wsp
 Michx.

Slender blazing-star Native, C:9,
Endangered
Peck's Skipper (Polites peckius) on Liatris cylindracea (6044349373).jpg
Liatris cylindracea NY-dist-map.png
NYFA-1
USDA-NN






Images, wsp
 Michx.

Rough gayfeather,
Tall blazing star,
Tall gayfeather
Introduced,
N. America native
Liatris aspera 1.jpg
Liatris aspera NY-dist-map.png
NYFA-X
USDA-NN






Images, wsp
 Michx.
var. pycnostachya

Thick-spiked blazing star,
Cattail gayfeather,
Prairie blazing star
Introduced from
 US midwest,
Midwest native
Liatris pycnostachya with bee.jpg
Nymap.svg
NYFA-X
USDA-N0
NEW 


NSE BNA


Images, wsp

Subtribe Eupatoriinae[edit]

The Eupatoriinae contains the Joe-Pye weeds and thoroughworts, both of which were formerly placed in the genus Eupatorium. However, in 1970, Robert M. King and Harold E. Robinson recommended moving the Joe-Pye weeds to a new genus Eupatoriadelphus.[1] Subsequent molecular studies supported their recommendation for the taxon split, but it was determined that Eutrochium Raf. (1836) was an earlier validly published genus name for Joe-Pye weeds, so Eric E. Lamont transferred the Joe-pye weeds to Eutrochium in 2004.[2]
  1. King, R. M., and H. Robinson, 1970b. "Studies in the Eupatorieae (Compositae). XXV. A new genus which they coined Eupatoriadelphus." Phytologia 19: 431–432.
  2. Eric E. Lamont (2004) "New combinations in Eutrochium (Asteraceae: Eupatorieae), an earlier name than Eupatoriadelphus." SIDA, contributions to botany. 21: 901-902.

Eupatorium[edit]

Eupatorium perfoliatum
common boneset
Eupatorium (thoroughwort or boneset) contains the white-flowering plants of the Eupatoriinae, native to the northern hemisphere. Most Eupatorium species found in New York are native to the state, and many are listed a protected species.
Asterales — Asteraceae — Asteroideae — Eupatorieae — Eupatoriinae — Eupatorium
Eupatorium Thoroughwort N.Y. Status Images Distribution NY NE
 L.

1753. Eupatorium perfoliatum L.
1903. Eupatorium chapmanii Small
Common boneset,
Thoroughwort,
Boneset thoroughwort,
Thoroughwax
Eupatoire perfoliée
Native, C:3,
Secure

FACW

Perennial,
Herb-forb
Eupatorium perfoliatum 2.jpg
Eupatorium perfoliatum NY-dist-map.png
NYFA-5
USDA-NN
NEW 
ARS 
Trop.



Images, wsp

Hyssop-leaved
thoroughwort
Hyssopleaf
thoroughwort
Native, C:3,
Vulnerable
Eupatorium hyssopifolium 4zz.jpg
Eupatorium hyssopifolium nymap.svg
NYFA-3-4
USDA-N0






Images, wsp

    Eupatorium rotundifolium
var. saundersii
Vervain thoroughwort,
Rough boneset
Native,
Vulnerable
Eupatorium pilosum NY-dist-map.png
NYFA-3-4
USDA-N0






Images, wsp

Torrey’s thoroughwort Native,
Threatened
Eupatorium torreyanum NY-dist-map.png
NYFA-2
USDA-N0






Images, wsp

White thoroughwort Native,
Threatened
Eupatorium album var subvenosum NY-dist-map.png
NYFA-2-3
USDA-N
NEW 





Images, wsp

White-bracted
  thoroughwort,
Justiceweed
Native,
Endangered
Eupatorium leucolepis BB-1913.png
Eupatorium leucolepis NY-dist-map.png
NYFA-1
USDA-N0






Images, wsp
var. rotundifolium

    Eupatorium verbenifolium
Round-leaved boneset,
Roundleaf thoroughwort
Native,
Endangered
Eupatorium rotundifolium 10zz.jpg
Eupatorium rotundifolium var rotundifolium NY-dist-map.png
NYFA-Z
USDA-N0






Images, wsp
Muhl. ex Willd.

    Eupatorium pubescens[1]
    E. rotundifolium ssp. ovatum
    E. rotundifolium var. ovatum
Hairy boneset,
Hairy thoroughwort,
Roundleaf thoroughwort
Native,
Endangered
Eupatorium rotundifolium.jpg
Nymap.svg
NYFA-1
USDA-


FNA 



Images, wsp

Late-flowering
  thorough-wort,
Late boneset
Native,
Endangered
Late boneset (21823912906).jpg
Nymap.svg
NYFA-2
USDA-NX






Images, wsp

Pine barren boneset Native,
Extirpated
Eupatorium resinosum 1.jpg
Nymap.svg
NYFA-Z






Images, wsp
L.

Upland boneset,
Sessile-leaved boneset
Native, C:7,
Unranked
Eupatorium sessilifolium drawing 01.png
Nymap.svg
NYFA-U
USDA-N0






Images, wsp

Tall boneset,
Tall thoroughwort
N. America native,
Unk. NY nativity
Eupatorium altissimum (3293238908).jpg
Nymap.svg
NYFA-X
USDA-NN
NEW 





Images, wsp
(Lam.) Small ex Porter & Britton

    Eupatorium capillifolium
(Lam.) Small ex Porter & Britton
Dog fennel
Dogfennel

N. America native,
Unk. NY nativity
Eupatorium capillifolium branch.jpg
Nymap.svg
NYFA-U
USDA-N0






Images, wsp

1753. Eupatorium cannabinum L.
Hemp-agrimony
Eupatoire chanvrine,
Eupatoire à
  feuilles de chanvre
Introduced from
 Eurasia,
 northern Africa,
Impersistent,
Not naturalized
Eupatorium cannabinum plant.jpg
Nymap.svg
NYFA-X
USDA-XX
NEW-0Can
ARS 

BNA


Images, wsp
Eupatorium (excluded taxa) Thoroughwort N.Y. Status Images Distribution NY NE
 L.

    Eupatorium album L.
    Eupatorium glandulosum Michx.
    Eupatorium fernaldii Godfrey
    Eupatorium petaloideum
White thoroughwort Native,
Endangered
The plants of southern New Jersey; with especial reference to the flora of the pine barrens and the geographic distribution of the species (1911) (14784528335a).jpg
Excluded nymap.svg
NYFA-XCLD
USDA-N
NEW 
ITIS




Images, wsp
Note: CA
  1. The New York Flora Atlas lists E. rotundifolium var. ovatum as E. pubescens. The Flora of North America says "Variety ovatum is an apomictic polyploid that may be a derivative of Eupatorium rotundifolium and E. sessilifolium. Morphologically, it is closer to E. rotundifolium than to E. sessilifolium; the name E. pubescens has priority at species rank."

Eutrochium[edit]

Eutrochium maculatum
spotted Joe-Pye weed
Eutrochium (commonly called Joe Pye weed) contains the purple-flowered North American species of the Eupatoriinae. Until 2004, these species were included in the genus Eupatorium and later Eupatoriadelphus.
Asterales — Asteraceae — Asteroideae — Eupatorieae — Eupatoriinae — Eutrochium
Eutrochium Joe-Pye weed N.Y. Status Images Distribution NY NE
(L.) E.E.Lamont
var. purpureum

1753. Eupatorium purpureum L.
1917. Cunigunda purpurea (L.) Lunell
1970. Eupatoriadelphus purpureus
(L.) R.M.King & H.Rob.
2004. Eutrochium purpureum
(L.) E.E.Lamont
Purple Joe-Pye weed,
Sweet-scented
  Joe-Pye weed,
Sweetscented
  joe pye weed,
Green-stem joe-pyeweed
Native, C:7,
Secure

FAC

Perennial,
Herb-forb
Der Wasserdost, lat. Eupatorium (Eupatorium Purpureum) 09.jpg
Eutrochium purpureum var purpureum nymap.svg
NYFA-5
USDA-NN
NEW 
ARS 
FNA Trop.
NSE BNA


Images, wsp
(Barratt) E.E.Lamont

1841. Eupatorium purpureum
var. angustifolium Torr. & A.Gray
1849. Eupatorium fistulosum Barratt
1970. Eupatoriadelphus fistulosus
(Barratt) R.M.King & H.Rob.
2004. Eutrochium fistulosum
(Barratt) E.E.Lamont
Hollow Joe-Pye weed,
Trumpetweed
Native, C:1,
Secure

FACW

Perennial,
Herb-forb
JoePye-5fold.jpg
Eutrochium fistulosum nymap.svg
NYFA-5
USDA-NN
NEW 
ARS 
FNA Trop.
NSE BNA


Images, wsp
(Willd. ex Poir.) E.E.Lamont

1812. Eupatorium dubium
Willd. ex Poir.
1970. Eupatoriadelphus dubius
(Willd. ex Poir.) R.M.King & H.Rob.
2004. Eutrochium dubium
(Willd. ex Poir.) E.E.Lamont
Coastal plain
  Joe-Pye weed,
Joe-Pye thoroughwort
Native, C:10,
Vulnerable

FACW

Perennial,
Herb-forb
Eupatorium dubium 'Little Joe' Flowers.jpg
Eutrochium dubium nymap.svg
NYFA-3
USDA-N
NEW 
ARS 
FNA Trop.
NSE BNA


Images, wsp
(L.) E.E.Lamont
var. maculatum

1755. Eupatorium maculatum L.
1970. Eupatoriadelphus maculatus
(L.) R.M.King & H.Rob.
2004. Eutrochium maculatum
(L.) E.E.Lamont
Spotted Joe Pye weed
Spotted joe pye weed
Spotted Joe-Pye weed

Eupatoire maculée
Native, C:4,
Secure

OBL

Perennial,
Herb-forb,
Part shade
Eutrochium maculatum 5515780.jpg
Eutrochium maculatum var maculatum NY-dist-map.png
NYFA-5
USDA-N
NEW 
ARS ITIS
Trop.
NSE BNA
LBJ

Images, wsp
(L.) E.E.Lamont
var. foliosum

1908. Eupatorium purpureum
var. foliosum Fernald
1920. Eupatorium maculatum
var. foliosum (Fernald) Wiegand
2004. Eutrochium maculatum
var. foliosum (Fernald) E.E. Lamont
Leafy Joe Pye weed
Spotted joe pye weed

Eupatoire feuillue
Native, C:4,
Unranked

OBL

Perennial,
Herb-forb
Eupatorium maculatum A.jpg
Eutrochium maculatum var foliosum nymap.svg
NYFA-Nu
USDA-NN

ARS 

NSE BNA


Images, wsp
Eutrochium (excluded taxa) Joe-Pye weed N.Y. Status Images Distribution NY NE
(L.) E.E.Lamont
var. bruneri

    Eupatoriadelphus maculatus
var. bruneri
    Eupatorium bruneri A.Gray
Spotted Joe-Pye weed N. America native,
N.Y. excluded
Eutrochium maculatum 04.JPG
Excluded nymap.svg

USDA-NN



NSE BNA


Images, wsp
Eutrochium identification[edit]
Eutrochium
Joe-Pye
weed
Floret
color
Florets
per
head
Capitu-
lescence
shape
Stem color
(besides
green)
Stem
glaucousness
(white bloom)
Central
stem cavity
(hollow/solid)
Leaf
taper to
petiole
Leaf
main
veins
Max
stem
height
E. purpureum
(purple)
pale pink,
purplish
(4-)5 -
8(-10)
round,
domed
dark purple
at nodes
not/scarcely
glaucous
solid or thin
cavity at base
gradual
taper
1 main
vein
2 m
E. fistulosum
(hollow)
pink-
purple
(4-)5 -
8(-10)
round,
domed
purple
throughout
prominently
glaucous
large cavity
(hollow)
gradual
taper
1 main
vein
3 m
E. maculatum
(spotted)
purplish (8-)9 -
20(-22)
flatish
top
purple spots
or all purple
rarely glaucous solid or thin
cavity at base
gradual
taper
1 main
vein
2 m
E. dubium
(coastal-plain)
purple (4-)5 -
8(-10)
round,
domed
fine purple
spots/streaks
abruptly
narrowed
3 main
veins
1 m

Coreopsideae … Ambrosieae
Flora of New York — Millerieae, Madieae, Eupatorieae
Apiales
Table of
contents
Genus
index
Protected species index Invasive species index