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Acmella uliginosa (Sw.) Cass., “Dict. Sci. Nat., ed. 2 24” 331 1822. (Syn: Calea savannarum Standl. & Steyerm.; Ceratocephalus acmelia var. depauperata Kuntze …; Jaegeriau liginosa (Sw.) Spreng.; Spilanthes acmella var. uliginosa (Sw.) Baker; Spilanthes charitopis A.H.Moore; Spilanthes iabadicensis A.H.Moore; Spilanthes lundii DeCandolle; Spilanthess alzmannii DC.; Spilanthes uliginosa Sw.; Spilanthes uliginosa var. discoidea Aristeg.);
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Marsh Para Cress ;
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Annual decumbent herb with narrowly ovate to elliptic leaves, cuneate towards base, dentate margin; heads radiate; cone-shaped, especially when mature, 5-8 mm high, 4-6 mm in diam.; receptacle 4-6 mm high; ray florets 4-7, yellow-orange; disc florets more than 70, 4-merous, yellow-orange; achenes 1.2-1.8 mm long, black, margin ciliate with straight hairs; pappus bristles 2.
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A. ciliata mainly differs from A. uliginosa is broader head and rounded to cordate leaf base.
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Spilanthes calva is now known as Acmella calva, it is mostly with discoid heads but if with radiate heads, it can be easily separated from A. uliginosa by its pentamerous disc florets as against tetramerous in A. uliginosa.
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A. paniculata has discoid head not rayed heads. In India, we have two species with rayed heads, viz. Acmella ciliata, & A. uliginosa and four species with discoid heads, viz. A. paniculata, A. calva, A radicans and A. oleracea. Another new species of Acmella with discoid heads from KERALA, INDIA is Acmella ghoshinis Sheela sp.nov. (Syn. Spilanthes ghoshinis Sheela sp.nov).
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This seems to me Acmella uliginosa (Swartz) Cassini, but it looks like the one at FoI.
Species : Acmella uliginosa (Swartz) Cassini ?
H & H : wild herb of 1 foot or more
Date : 22/11/12, 10.12 a.m.
Place : Hooghly
ID help :
Yes … Thank you very much Sir, once again. The key at eFI is much easier than FoC or FoP. Attaching more pictures photographed yesterday, from another place in Hooghly.
Acmella from Hyderabad ID011212CS: Acmella uliginosa Have known this plant for many years as Spilanthus calva. Dr. Almeida’s book calls it Spilanthes clava [the clava part may be a typo]. It is a weed, a native of Moluccas [Maluku Islands]. There is no mention of Acmella uliginosa in any of the following :
– Cooke’s ‘Flora of Bombay Presidency’.
– Dr.Almeida’s ‘Fora of Maharashtra’.
– Yadav & Sardesai’s ‘Flora of Kolhapur District’.
– Bhagat, Shimpale & Deshmukh’s ‘Flora of Baramati’.
Have this plant on my property at Shahapur. Sending a few photographs. Kindly refer to my mail in the forum where I have tried to solve this confusion
There is presently no Indian species under genus Spilanthes, all have been transferred to Acmella.
Spilanthes calva is now known as Acmella calva, it is mostly with discoid heads but if with radiate heads, it can be easily separated from A. uliginosa by its pentamerous disc florets as against tetramerous in A. uliginosa.
In … above photographs besides ray florets, disc florests are clearly tetramerous and hence A. uliginosa. In your last photograph also disc florets appear to be tetramerous but you may confirm from a better. Thank you Sir for the clarification as I am using this flowering weed in my ecological engineering studies and have identified it as Acmella uliginosa I was getting a little worried. Should have posted earlier, but its been mad time at office and I am unable to keep up with my interests Thank you … for your detailed explanation. Was not aware of this new classification. Much obliged
Acmella for ID : Pali,Maharashtra : 251212 : AK-1: It is Acmella paniculata, I hope it is Acmella uliginosa (Sw.) Cass. notA. paniculata.Because A. paniculata has discoid head not rayed heads. In India, we have two species with rayed heads , viz. Acmella ciliata, & A. uliginosa and four species with discoid heads, viz. A. paniculata, A. calva, A radicans and A. oleracea. Another new species of Acmella with discoid heads from KERALA, INDIA is Acmella ghoshinis Sheela sp.nov. (Syn. Spilanthes ghoshinis Sheela sp.nov). I hope it is Acmella uliginosa (Sw.) Cass. Looks to me like Acmella uliginosa.. Thanks for a quick id to my post.
Wild Herb ID please :: 19-Feb-2012 :: SK :: Hooghly, WB: It is a wild herb found inside an uncultivated area. There were many of them but all were confined to a small place only.
I thought it is Acmella ciliata, but the images available in the net feature difference in leaf blade.
Date/Time- 12-Feb-2012 & 14-Feb-2012
Location- Place, Altitude, GPS- Nalikul, Hooghly, WB (lat 22.830459346159003, lon 88.16768646240234)
Habitat- Garden/ Urban/ Wild/ Type- Wild
Plant Habit- Tree/ Shrub/ Climber/ Herb- Herb, creeper
Height/Length- about 8 to 10 iinches
Leaves Type/ Shape/ Size-
Inflorescence Type/ Size- simple, about 2 cm to 3 cm (but i didn’t have any measuring tape with me)
Flowers Size/ Colour/ Calyx/ Bracts- small button sized
Fruits Type/ Shape/ Size Seeds- NA Please check Acmella uliginosa of Asteraceae family. I apologize for misleading you.
1) The leaf size of the plant is 40mm from base to apex of the leaf-blade, and with 13.5 mm width at the middle.
2) The diameter of the flower is about 7mm. Yes Acmella uliginosa . Asteraceae Fortnight Part I-Radiate heads: Acmella uliginosa? from Kamrup district, Assam-KD 01 : Attachments (6). 2 posts by 2 authors. Attached images may be Acmella uliginosa (Swartz) Cassini . Please validate the ID.
Date : 29.11.2012
Location: Kamrup district, Assam
Family :Asteraceae
Genus & species :Acmella uliginosa (Swartz) Cassini (?)
Habitat: Grows wild on road side, ditches etc
Habit : Herb
Inflorescence :Radiate head Thanks … for nice upload.
Asteraceae Fortnight Part 1-Radiate Heads: Spilanthes acmella confusion: 4-Acmella uliginosa from Herbal Garden, Rajouri Garden New Delhi : Attachments (3). 3 posts by 3 authors.
Acmella uliginosa(Sw.) Cass., Prodr. 110, 1788 syn: Spilanthes uliginosa Sw.
Annual decumbent herb with narrowly ovate to elliptic leaves, cuneate towards base, dentate margin; heads radiate; cone-shaped, especially when mature, 5-8 mm high, 4-6 mm in diam.; receptacle 4-6 mm high; ray florets 4-7, yellow-orange; disc florets more than 70, 4-merous, yellow-orange; achenes 1.2-1.8 mm long, black, margin ciliate with straight hairs; pappus bristles 2.
Photographed from Herbal garden, Punjabi Bagh, New Delhi
Asteraceae Week (Part I – Radiate heads) :: ¿ Acmella uliginosa ? for validation, at Yeoor Hills :: 31 JAN 10 07:15 :: DV40 : 3 images. 4 posts by 3 authors.
Acmella uliginosa (Sw.) Cass.
ak-MEL-uh or AK-mel-uh — little point … Dave’s Botanary
ew-li-gi-NO-suh — grows in bogs and swamps … Dave’s Botanary commonly known as: marsh para cress Distribution: tropical References: Flowers of India • NPGS / GRIN please validate this to be Acmella uliginosa; the plant is growing among small rocks rising from moist soil of rivulet bank.
at Yeoor Hills, Thane on 31 JAN 10 Yes … Nice photographs
ASTERACEAE Fortnight Part-I Radiate Heads May 1-14: Acmella uliginosa from Uttarakhand_DSR_35 : Attachments (2). 2 posts by 2 authors. Yes … Nice photographs
Asteraceae Week Part I-Radiate heads:: Acmella uliginosa Kochi SMP -10 : 3 images. 2 posts by 2 authors.
Acmella uliginosa From Pune and Kochi|
Asteraceae Fortnight Part I-Radiate heads: Acmella uliginosa? from Kamrup district, Assam-KD 01 : 3 posts by 3 authors.
Attached images may be Acmella uliginosa (Swartz) Cassini . Please validate the ID.
Date : 29.11.2012
Location: Kamrup district, Assam
Family : Asteraceae
Genus & species :Acmella uliginosa (Swartz) Cassini (?)
Habitat: Grows wild on road side, ditches etc
Habit : Herb
Inflorescence :Radiate head Thanks … for nice upload. The characteristic cone-like flower heads yellow in colour with small ray florets at the periphery.
Asteraceae family. Could be Spilanthes sp. Acmella (Spilanthes) species in efi with keys & details. May be Acmella uliginosa (Sw.) Cass. efi page on Acmella uliginosa Seems to be Spilanthus paniculata. Acmella paniculata (Wall. ex DC.) R.K.Jansen looks close. I think it will be Acmella uliginosa (Sw.) Cass. as it has ray florets. Habit: Herb It may be Acmella uliginosa (Swartz) Cassini. I think yes, Acmella uliginosa
ID: 09.11.2016 SM 1 : 5 posts by 3 authors. Attachments (2)
At Haripal, Hooghly, West Bengal on 09.11.2016 Some Spilanthus species PPl. check comparative images in EFI site. I think closer to Acmella uliginosa (Sw.) Cass. as per comparative images at Acmella .
Request for ID : 310310-AK-3 – efloraofindia | Google Groups .
MS March,2018/12 Acmella sp. (grandiflora?) for ID : 3 posts by 2 authors. Attachments (1) Date : 07-12-2015
Habit : Herb
Habitat : Wild
Do you agree? I think closer to Acmella uliginosa (Sw.) Cass. as per comparative images at Acmella Looks close K001031283 Yes, Acmella uliginosa (Sw.) Cass.
MS March, 2018/13 Acmella sp. (paniculata?) for ID : 3 posts by 2 authors. Attachments (1)
Location : Tamdil, Mizoram Date : 23-02-2018
Habit : Herb
Habitat : Wild
Also check https://sites.google.com/site/efloraofindia/species/a—l/ar/asteraceae/asteroideae/heliantheae/acmella/acmella-ciliata along with keys at https://sites.google.com/site/efloraofindia/species/a—l/ar/asteraceae/asteroideae/heliantheae/acmella I feel closer to Acmella ciliata (Kunth) Cass. as per comparative images at Acmella
If you have any doubts, pl. point out. I think closer to Acmella uliginosa (Sw.) Cass. as per comparative images at Acmella Yes, Acmella uliginosa (Sw.) Cass.
”For Id 13122011MR`’’ ?wild yellow orange flower Asteraceae Pune: Date/Time- Dec 2011
Height/Length- 15 cms Stem hairy
Leaves Type/ Shape/ Size- 3.5 cms by 2 cms
Flowers Size/ Colour/ Calyx/ Bracts- single yellow flower 5mm diam at apex with yellow ray florets and orange disc florets
Fruits Type/ Shape/ Size Seeds- no fruits seen
Other Information like Fragrance, Pollinator, Uses etc.- no fragrance
I hope calyptocarpus vialis i think it is weedelia species. I thought of Synedrella !! These two have always been confusing me and I could not find any specific differences except these two Calyptocarpus vialis Synedrella nodiflora
Prostrateperennial, rooting at nodes Erectannual
Leavesshorter than 5 cm Leaves 5-12 cm long
All other characters seem to be overlapping I think it is not S.nodiflora because that plant has minimum six leaves at the top arranged in two pairs. but in pics it is not evident . isn’t it? Sharing picture of the same flower how it looks today after 13 days after my initial post I think we may have to totally revise our assessment. None of the earlier two suggested Agree with …
Head is cone shaped, when mature. Acmella indeed Yes, Acmella uliginosa (Sw.) Cass.
Asteraceae Week Part I-Radiate heads:- Acmella uliginosa from Pune –MR15 : Attachments (3). 1 post by 1 author.
sharing pixs of Acmella uliginosa from Pune. It was very interesting to see how this flower developed from almost flat to a conical form in a span of 11-12 days.
.     Spilanthes calva DC (?) from Kamrup district (Rural), Assam: Most species of Spilanthes have been transferred to Acmella, A. calva typically has discoid heads but radiate heads are also known. A. uliginosa looks very similar in leaves and heads but has tetramerous flowers. Pl. check this if you have close up of head. Acmella calva (DC.) R.K.Jansen looks close Acmella calva (DC.) R.K.Jansen and Acmella paniculata are very close and confusing. Keys as per Acmella :
3a. Corolla white, greenish white or with purple tinge, 4-merous, pappus of 2-3 bristles …..Acmella radicans var. radicans
3b. Corolla pale yellow, yellow or orange yellow …(4)
4a. Pappus absent; stems decumbent, rooting at nodes; leaves ovate, ahenes 1.7-2.2 mm, glabrous, if sparsely hairy then hairs hooked ….Acmella calva
4b. Pappus of 2-3 bristles, achenes hairy, hairs straight, stems erect without nodal roots…..(5)
5a. Mature achenes with cork-like margin; surface tuberculate …….Acmella paniculata
Flora of China gives:
We have to decide between the two. Habitat- Wild
Location- Paud road, after Pirangut. Date- 4th Sep, 2011. . Spilanthes acmella confusion: 4-Acmella uliginosa from Herbal Garden, Rajouri Garden New Delhi: Acmella uliginosa (Sw.) Cass., Prodr. 110, 1788
syn: Spilanthes uliginosa Sw. Annual decumbent herb with narrowly ovate to elliptic leaves, cuneate towards base, dentate margin; heads radiate; cone-shaped, especially when mature, 5-8 mm high, 4-6 mm in diam.; receptacle 4-6 mm high; ray florets 4-7, yellow-orange; disc florets more than 70, 4-merous, yellow-orange; achenes 1.2-1.8 mm long, black, margin ciliate with straight hairs; pappus bristles 2.
Photographed from Herbal garden, Punjabi Bagh, New Delhi
Sir are the leaves of this plant also have that specific taste? .
Asteraceae
Location: Kathmandu
Elevation: 1358m asl
Date: 19 sep 2020 . Wild Plant for ID : Nasik : 27NOV20 : AK-31 : 3 images.
A small wild plant with yellow flowers. Acmella? Acmella ciliata (Kunth) Cass. ?? I think closer to Acmella uliginosa (Sw.) Cass. as per comparative images at Acmella . MS, June,2021/24 Acmella sp. for id.: 1 image.
Location : Aizawl Date : 05-07-2018
Habit : Herb
Habitat : Wild It is Acmella uliginosa (Sw.) Cass. as per images and details herein and as keys and comparative images at Acmella . Need ID: narrow-leaved aster: 4 images. Acmella uliginosa (Sw.) Cass. ? Yes, … . Acmella paniculata (Wall. ex DC.) R.K.Jansen: 9 images. Location: Gyaneswor, Kathmandu
Date: 06 November 2022
Elevation: 1400m.
Habitat: Wild As it has ray florets, it appears close to images at Looks correct ! . Acmella for id: 2 high res. images. Looks like Acmellia paniculata ??? Pl. check comparative images and keys at eFI genus page.
I think close to images at . Wildflower: 2 high res. images. Need ID of this plant.
Bhopal.
20/01/2024
Please check Acmella paniculata (Wall. ex DC.) R.K.Jansen ! A.paniculata does not have ray florets.
. References:
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