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Gamochaeta pensylvanica (Willd.) Cabrera, Bol. Soc. Argent. Bot. 9 375 1961. (Syn: Gnaphalium peregrinum Fernald; Gnaphalium purpureum var. spathulatum (Lam.) H.E.Ahles; Gnaphalium purpureum var. spathulatum (Lam.) Baker; Gnaphalium spathulatum Lam.; Gnaphalium spathulatum Burm. f.; (≡) Gnaphalium pensylvanicum Willd. );
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Pennsylvania Cudweed, Pennsylvania everlasting;
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Annual herb, up to 25 cm tall, slightly branched, leaves simple, spathulate, white tomentose especially on lower surface; capitula in short clusters; involucre bracts with white hairs; cypsella, pappus hairs white,
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Leaf surfaces of different colour, upper white hairy, lower almost glabrous; basal leaves persistent at anthesis; inflorescence spicate, lower glomerules of heads often pedunculate …… Gamochaeta purpurea
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Leaf surfaces not markedly different; basal leaves withered at anthesis; heads in spicate panicles, densely wooly 2/3 from base …….. Gamochaeta pensylvanica
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It is true that the three species are very close, Gnaphalium purpureum, G. pensylvanica are shifted to genus Gamochaeta on the basis of pappus being connate at the base, whereas in Gnaphalium they are free at base and fall individually.
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This is what Flora of China writes about Gnaphalium polycaulon
“Similar to Gamochaeta pensylvanica, this species differs by its more compact habit, oblanceolate leaves, and free, separately deciduous pappus bristles more dilated at apex.”
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Herbs, erect, upto 50 cm high; stem, with thin, white cottony tomentum. Leaves spathulate, narrowed at base, broadly rounded and shortly mucronate at apex, entire, 1-7 x 0.1-1 cm, puberulous on upper surface, white pannose on lower surface. Heads in short spicate clusters, ca 2 mm across; peduncle ca 1 mm long. Involucral bracts 3-4-seriate; outermost brown, occasionally pink at apex, oblong-spathulate, obtuse-acute, with white woolly tomentum at base. Ray florets female, with filiform corolla, ca 1 mm long, pink at mouth. Disc florets bisexual, ca 2 mm long, 5-toothed. Achenes oblong, ca 0.5 mm. Pappus hairs white, united at base. Flowering and fruiting: Throughout the year
Grasslands
North and South America, Europe; adventive in New Zealand, India & Pakistan
wild herb ID from Hooghly 20-04-12 SK-1: Please identify this common wild herb that can found on roadside as well as on grassland.
Species : UNKNOWN
Habit & Habitat : wild herb, roadside, grassland
Date : 12-Feb-2012, 9.00 a.m.
Place : Hooghly, WB I hope Gamochaeta pensylvanica, the connate pappus is clearly seen One more question, please, is it native or comes from North America? North American weed now spread in many parts of the world. I have heard that Parthenium also came from America. For Parthenium please visit International Parthenium Research News Group at http://www.pankajoudhia.com/iprng/
AP2-Plant for id from Ambala Cantt Haryana: This looks like Gamochaeta pensylvanica (Willd.) Cab. Syn. Gnaphalium pensylvanicum Willd. from Asteraceae
request for plant id…place-ambala cantt…habitat-garden: I think Gamochaeta pensylvanica (Willd.) Cabrera Yes, Gamochaeta pensylvanica (Willd.) Syn. Gnaphalium pensylvanicum Willd. from Asteraceae, this is a weed rather than a garden plant
ASTERACEAE Fortnight Part 2-Discoid heads: Gnaphalium sp(?) from Kamrup district, Assam_KD_3 : Attachments (5). 3 posts by 3 authors. Attaching images of what looks like�Gnaphalium sp(?) . Please ID the Sp.
Date :26.04.2013
Location: Kamrup district
Family : Asteraceae
Genus & species : Gnaphalium sp(?)
Habitat: Grows wild on waste places
Habit : Herb To me it looks like Gnaphalium pensylvanicum now known as Gamochaeta pensylvanica. I think … is right
ASTERACEAE Fortnight Part 2-Discoid heads: Gamochaeta pensylvanica from Uttarakhand_DSR_13 : Attachments (1). 2 posts by 2 authors.
Gamochaeta pensylvanica (Willd.) Cabrera (=Gnaphalium pensylvanicum Willd.) is a common pantropical weed found throughout India.
Photographed in Pantnagar, Uttarakhand. Common in Delhi also.
Asteraceae Fortnight Part 2-Discoid heads- Gamochaeta pensylvanica from Delhi-GS44 : Attachments (3). 1 post by 1 author.
Asteraceae Fortnight Part 2-Discoid Heads: Gamochaeta pensylvanica from Panipat – NS 50 : Attachments (2). 1 post by 1 author.
This one is a common herb of moist places, shot from Panipat.. I could not trace more pics, though I have… I hope the id is right.. this is Gamochaeta pensylvanica…
Gnaphalium purpureum L (?) from Assam-6 Feb 2014 : 3 posts by 2 authors. Attachments (5). Attached images may be Gnaphalium purpureum L (?). Please ID the plant.
Date :07.02.2014
Location: Assam
Family : Asteraceae
Genus & species : Gnaphalium purpureum L (?)
Habitat: Grows wild on side of the pond
Habit : Herb Current accepted name as per GRIN is Gamochaeta purpurea (L.) Cabrera    Gnaphalium purpureum — Purple Cudweed ? (260409YS1-3) : 6 posts by 4 authors. Attachments (3)
In my kitchen garden, a wild weed, Delhi. Today (29.4.09).
I was unable to open your link. May be as per link: Missouri Bot. Plant & PPws (pictures & details) It resembles with the one given at the link. Thank you for the help. I am accepting this ID till proved otherwise. this one is Gnaphalium indicum Plants reported G. purpureum from Delhi are actually Gamochaeta pensylvanica Flowers of India
id please, Rajarhat,WB, 17/12/16 : 4 posts by 3 authors. Attachments (1) Gamochaeta pensylvanica (Asteraceae) to me. Thank you so much sir.
SK237DEC14-2016:ID : 5 posts by 3 authors. Attachments (8) Location: Chautara , Nepal
Altitude: 4700 ft.
Date: 12 December 2016
Hopefully Gamochaeta pennsylvanica… Gnaphalium pensylvanicum Willd. (provisionally accepted name) Gamochaeta pensylvanica (Willd.) Cabrera (accepted name) as per the Plant List and the CoL.
Gamochaeta pensylvanica (Willd.) Cabrera (accepted name) : 3 posts by 2 authors. Attachments (6) Location: Soureni, Mirik, India
Date: 21 April 2017
Altitude: 4400 ft.
Garden Plant for ID : Uttarakhand : 040518 : AK-5 : Attachments (1)
Again missed posting this earlier. Found while going through my folders.
Seen at a resort in Dhikuli.
Sorry for the bad picture quality.
Gamochaeta pensylvanica (Asteraceae), a common spring weed.
Please see eFI page
/species/a—l/ar/asteraceae/asteroideae/gnaphalieae/gamochaeta/gamochaeta-pensylvanica
ANAPR36 Blumea(?) sp. for identification : 4 posts by 2 authors. Attachments (3)
Family: Asteraceae Can this be Gnaphalium polycaulon Persoon? I agree with … for identification of the plant I think this will be Gamochaeta pensylvanica as per images and references herein.        Gnaphalium polycaulon FOR VALIDATION :: Yeoor Hills, part of SGNP :: 29 DEC 19 : 5 posts by 3 authors. 7 images.
Yeoor Hills … part of Sanjay Gandhi National Park Date: December 29, 2019 … Altitude range: about 100 ft (30 m) to 1575 ft (480 m) asl
¿ Gnaphalium polycaulon ? Yes, appears to be Gnaphalium polycaulon as per comparative images at Gnaphalium I think this will be Gamochaeta pensylvanica as per images and references herein.
Gnaphalium polycaulon Pers.(?) from Assam-4 Feb 2014 : 3 posts by 2 authors. Attachments(6). Attached images may be Gnaphalium polycaulon Pers. Please ID the plant.
Date :07.02.2014
Location: Assam
Family : Asteraceae
Genus & species : Gnaphalium polycaulon Pers. (?)
Habitat: Grows wild on bank of the pond
Habit : Herb efi page on Gnaphalium polycaulon I guess ID is correct.. I think this will be Gamochaeta pensylvanica as per images and references herein.
Gnaphalium sp. from Assam -5 Feb 2014 : 3 posts by 2 authors. Attachments (5).
Attached images are Gnaphalium sp. Please ID the plant.
Date :07.02.2014
Location: Assam
Family : Asteraceae
Genus & species : Gnaphalium sp.
Habitat: Grows wild on bank of the pond
Habit : Herb
Gnaphalium species so far in efi Gnaphalium polycaulon Pers. ?? I think this will be Gamochaeta pensylvanica as per images and references herein.
Asteraceae Week (Part II – Discoid heads) :: FOR ID ¿ Gnaphalium polycaulon ? at Tungareshwar WLS :: 23 FEB 13 :: DV41 : 3 images. 3 posts by 2 authors. ¿ Gnaphalium polycaulon ? Pers.
Place, Altitude: at Tungareshwar Wildlife Sanctuary (about 1072 ft asl) I have compared with net images and ID seems correct. I think this will be Gamochaeta pensylvanica as per images and references herein.    A mystery flower… Kalatope id al260511a: Found this plant next to the previous query (by the roadside) I have sent today… did not notice it flowering..??
Location Kalatope, chamba
Altitude 2100 mts Habit herb Habitat wild/roadside Plant height 9 inches I think Gamochaeta purpurea (= Gnaphalium purpureum). Tropicos treats Gamochaeta purpurea (L.) Cabrera under the synonymy of Gamochaeta americana (Mill.) Wedd., whereas The Plant List treats them separately. Your mystery plant is not Gamochaeta purpurea, earlier described under the names Gnaphalium purpureum or G. pennsylvanicum (some times treated distinct Gamochochaeta purpurea and G. pennsylanica as per GRIN or one species Gamochaeta purpurea as per Kew List). That plant grows commonly in Delhi and uploaded by me at FOI. It has leaves which are velvety on both sides, though much more sensely below. FOI I also agree with you .
Cudweed? ABAUG2016/49 : 9 posts by 3 authors. 3 images.
This one is from yesterday. I found it at 2100m. It looks like a cudweed. Please help with the ID.
Above Dharamshala, HP
2100m
18 August 2016. Pl. check with Amaranthus blitum ? Thanks … This seems possible but my pictures are perhaps not sufficient to show all characteristics. From what I can see from my photos, the leaves have no stalks and inflorescence happening predominantly at the top. This is a Gnaphalium sp. as … have pointed out..!! Thank you … I am looking at the keys but haven’t reached a positive ID yet. I am hiking up today and will try to see the plant more closely.
Thanks, … Pl. check Images by Alok Mahendroo under Pseudognaphalium hypolecum (DC.), O. M. Hilliard & B. L. Burtt Thank you … This is close. I will post better photos tomorrow hopefully. Some additional images from Sunday. 3 images. This looks different from the specimens of Pseudognaphalium hypoleucum from India as per GBIF– one, two, three, four, five. On further consideration, I think it is close to images at Gamochaeta pensylvanica ( .
Gamochaeta pensylvanica from Delhi – efloraofindia | Google Groups . . “For Id 120413RS2” : Attachments (3). 2 posts by 2 authors. Gnaphalium sp. (Asteraceae). Gamochaeta pensylvanica (Willd.) Cabrera , Gamochaeta pensylvanica (Willd.) Cabrera: 7 very high res. images. . 284 ID wild plant Gamochaeta: 11 images.
Please ID wild plant, Location: near Kumily, Idukki Dist., Kerala Altitude: 3000fsl Flower date: 09.01.2022, 10.50am Habitat: wild moisture Plant habit: erect, branches, weak fleshy stem, hairy, annual Height: 01 feet Leaves: alternate, oblong, apex, wavy margins, hairy, winged petiole, size:10×5cm Flower: racemose, clustered, yellow, non fragrant Fruit: Seed: Camera: mobile Samsung Galaxy A21s Gamochaeta pensylvanica (Willd.) Cabrera ?? Check Gamochaeta coarctata (Willd.) Kerguélen also. It is more close to Gamochaeta pensylvanica, thank you very much for ID my plant, .
Please id this species.: 1 correct image. Date- 17 Oct 2022
These are two different sp. second one is Gamochaeta pensylvanica (Willd.) Cabrera. First is Conyza Yes, second one appears to be Gamochaeta pensylvanica (Willd.) Cabrera Yes . References:
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