Pilea microphylla (L.) Liebm., Mexic. Neldeagt. Pl. V, 2: 302 1851. (Syn: Adicea herniarioides (Sw.) Small; Adicea microphylla KuntzeAdike allophyla Rafin.; Chamaecnide microphylla Nees ex Miq.; Dubrueilia microphylla (L.) Gaudich.; Parietaria microphylla L.Pilea aripoensis Britton; Pilea callitrichoides Schltdl.; Pilea herniarifolia Bl.; Pilea microphylla (L.) Griseb.; Pilea microphylla var. longifolia Wedd.Pilea muscosa Lindl.Pilea peperomifolia Liebm.; Pilea portula Liebm.Pilea portulacina (Spreng.) Bl.; Pilea subcrenata Weddell hom. illeg.; Pilea succulenta Hook. f.; Pilea trianthemoides var. microphylla (L.) Wedd.; Urtica herniarifolia Willd. (Unresolved); Urtica microphylla (L.) Sw.Urtica portulacina Spreng.; Urtica portulacoides Spreng. (Unresolved));
 
USA (Alabama, Arkansas, Florida, Georgia, Louisiana, Michigan, Mississippi,
North Carolina, South Carolina, Tennessee, Texas), Bahamas, Turks & Caicos
Isl., Cayman Isl., Cuba, Hispaniola, Jamaica, Puerto Rico, Virgin Isl. (Anegada,
Guana, Jost van Dyke, St. Croix, St. John, St. Thomas, Tortola, Virgin Gorda),
Lesser Antilles (Antigua, Barbados, Dominica, Grenada, Grenadines, Guadeloupe,
Marie Galante, Martinique, Montserrat, Nevis, Redonda, Saba, St. Barthelemy, St.
Eustatius, St. Lucia, St. Vincent), Trinidad, Tobago, Aruba, Bonaire, Curacao,
Isla Margarita, Mexico (Campeche, Chiapas, Chihuahua, Coahuila, Colima,
Guanajuato, Guerrero, Hidalgo, Jalisco, Mexico State, Michoacan, Morelos,
Nayarit, Nuevo Leon, Oaxaca, Puebla, Queretaro, Quintana Roo, San Luis Potosi,
Sinaloa, Tabasco, Tamaulipas, Veracruz, Yucatan), Belize, Guatemala, Honduras,
El Salvador, Nicaragua, Costa Rica, Panama, Galapagos, Peru, Guyana, Surinam,
French Guiana, Ecuador, Argentina (Corrientes, Formosa, Misiones), S-Brazil
(Parana), N-Brazil (Amazonas), NE-Brazil (Rio Grande do N-Brazil, Paraiba,
Pernambuco, Bahia, Alagoas), C-Brazil (Goias, Distrito Federal), SE-Brazil
(Minas Gerais, Espirito Santo, Sao Paulo, Rio de Janeiro), Venezuela
(Anzoategui, Aragua, Bolivar, Carabobo, Distrito Federal, Falcon, Guarico, Lara,
Merida, Miranda, Monagas, Nueva Esparta, Portuguesa, Sucre, Tachira, Yaracuy,
Zulia), Colombia (Antioquia, Atlntico, Bolvar, Cauca, Cesar, Choc, Cundinamarca,
Huila, La Guajira, Magdalena, Meta, Nario, Norte de Santander, Quindo,
Risaralda, San Andrs, Providencia y Santa Catalina, Santander, Tolima, Valle),
Bolivia (La Paz, Pando, Santa Cruz), Madeira (I), Greece (I), Croatia (I),
former Yugoslavia (I), Australia (I) (Queensland (I), New South Wales (I)), Java
(I), New Guinea (alpine (I)), Seychelles (I), Bioko Isl. (Fernando Poo) (I), Sao
Tome (I), Guinea (I), Benin (I), Guinea-Bissau (I), Cameroon (I), Fiji (I),
peninsular Malaysia (I), Laos (I), Vietnam (I), Sri Lanka (I), Norfolk Isl. (I),
Austral Isl. (I) (Tubuai (I)), China (I), Taiwan (I), Ryukyu Isl. (I), Chagos
Arch. (I) (Diego Garcia (I)), Gilbert Isl. (I) (Butaritari (I), Tarawa (I)),
Marshall Isl. (I) (Kwajalein (I), Ailingiapalap (I), Jaluit (I)), Micronesia (I)
(Yap (I), Ulitbi (I), Fais (I), Eauripik (I), Woleai (I), Faraulap (I), Ifaluk
(I), Satawal (I), Namonuito (I), Lukunor (I), Nukuoro (I), Pohnpei (I), Mokil
(I), Pingelap (I), Kosrae (I)), Niue (I), N-Line Isl. (I) (Palmyra Atoll (I)),
Palau Isl. (I) (Koror (I), Urukthapel (I), Angaur (I), Sonsorol (I)), Society
Isl. (I) (Tahiti (I), Huahine (I), Raiatea (I)), Southern Marianas (I) (Rota
(I), Guam (I)), Tonga (I) (Tongatapu (I)), Tuamotu Arch. (I) (Takapoto Atoll
(I)), Tuvalu (I) (Nui Atoll (I)), Western Samoa (I) (Savaii (I)), American Samoa
(I) (Tutuila (I)), Rotuma Isl. (I), Midway Isl. (I), Mauritius (I), La Runion
(I), Hawaii (I) (Midway Isl. (I), Kauai (I), Oahu (I), Lanai (I), Maui (I),
Hawaii Isl. (I)),
Andamans (I), Nicobars (I), Pakistan (I), Philippines (I),
Singapore (I), Maldives (I),
Bangladesh (I) as per Catalogue of life
artillery fern, artillery plant, gunpowder plant, pistol plant, rockweed;
 

Slender succulent herbs; branches and leaves bifarious; stem transparent. Leaves to 4 x 3 mm, ovate-orbicular, base attenuate, apex obtuse, subsucculent, 1-nerved; raphides transverse; petiole to 1 mm long. Flowers monoecious in small umbellate clusters, 1-1.5 mm across. Male flowers: tepals 4, free, concave, obtuse; stamens 4. Female flowers: tepals connate, 2-4-toothed; ovary c. 0.5 mm long, ovoid, 1-celled; ovule 1. Achene c. 1 mm long, ellipsoid.

Flowering and fruiting: August-November
Grown as garden plant, often found as an escape
South America; now introduced into other tropical regions
(From India Biodiversity Portal (Pilea microphylla (L.) Liebm.) 
 

Pilea microphylla also known as Artillery Plant, Gunpowder Plant or (in Latin America)[2] brilhantina is an annual plant native to Florida.[3]  

The plant belongs to the Urticaceae family.[4] It has light green, almost succulent, stems and tiny 1/8″ leaves which contribute to its other nickname, “Artillery Fern”, though it is not related to ferns. It is grown as a ground cover in many areas.  
Pilea microphylla can be propagated by dividing the root ball, or taking herbaceous cuttings and rooting them with rooting hormone. The plant enjoys a thorough watering after the soil has been allowed to dry, and misting has been shown to be beneficial. Direct sunlight causes the leaves to turn brown and fall off, so it prefers filtered light. 
(From Wikipedia on 24.5.13)
 

Flora of Andaman8-291210-PKA2: Prostrate herb spreading on old walls as well as on ground with very very
small size leaves
at Ross Island (Andaman & Nicobar).
Date/Time: 21-10-2010 / 12:10PM
Location: Ross Island (Andaman & Nicobar)
Habitat: Wild
Plant Habit: Herb


 

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ID request – 11072011:  Please identify this common shade plant. Small (about 1 foot high) spreading
herb with minute leaves.
Have not seen it flower.


 

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Date/Time- Aug 2011
Location- Place, Altitude, GPS-Pune
Habitat- Garden/ Urban/ Wild/ Type- i do not know wild or garden
Plant Habit- Tree/ Shrub/ Climber/ Herb-  herb
Height/Length- runs along the ground
Leaves Type/ Shape/ Size- green small
Flowers Size/ Colour/ Calyx/ Bracts- not seen

Pilea microphylla of Urticaceae, a common garden weed.


I have attached 2 pictures for correct idea about the size I think it is about 2mm.
Thank you…. After your identification I surfed the net and found the following information
Common name Artillery plant Its common name refers to how its seeds are dispersed. When ripe, they explode out into the air. And yes small greenish nearly inconspicous flowers
Interesting

 

 

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efloraofindia:”Id 22062012MR1’’ Pilea microphylla flowers at Pune: May 2012 Pune

Sharing pics of Pilea microphylla flowers Family Urticaceae growing wild.
Pinkish male flowers and many greenish female flowers with feathery stigma

The following link says that according to recent data it has the smallest flower in diameter http://www.infobharti.com/how-and-why/tag/aquatic-duckweed



 

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ID : Herb from Guwahati:   Please ID for this herb.
Date :28/09/2012
Location :Bara Bazar, Pandu, Guwahati-12
Habitat :Generally grows on wet wall(brick or stone wall) of drain or houses(Mural plant)
Habit :Small herb
Leaves 😕 Small, ± .4cm
Flowers :Very minute, ± .1cm; tepals 4 (sepaloid); stamen 4, epiphyllous.
Fruits :not seen

Good pictures of Pilea microphylla (Urticaceae)!


 

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Ornamental Plant For ID : Lalbagh,Bangalore : 190813 : AK-3 : Attachments (2). 5 posts by 3 authors.

An ornamental, potted plant with very tiny leaves seen at Lalbagh on 18/3/13.

… our ornamental expert has suggested Pilea depressa.
For id confirmation please.


Pilea sps. for sure. Please also check for P. serpyllacea.


Pilea serpyllacea does seem to match with my plant.

Common names are Artillery Plant, Gunpowder Plant.
The leaves are about 3mm x 1mm, to 6mmx2mm flowers less than 1.5 mm, the stalked inflorescence is of a few cymules

(The white flower in 2nd image is of a different plant)

Please help with ID


Pilea microphylla. Urticaceae


Agree with … It is P.microphylla. A weedy plant but cultivated also for its foliage.

White flowers in second picture may be of Mollugo sp. (Molluginaceae).


Thanks ! i would have never found this id, and it is my first intro. to Uriticaceae.
Pilea microphylla (Artillery plant) it is, matches exactly with FOI images and description from IFAS Univ of Florida. Which also explains the unexpected common name for such a small plant
A multitude of minute, lime green leaves on short, arching stems gives artillery plant a fine-textured, fernlike appearance (Fig. 1). Growing only 8 to 12 inches tall and quickly forming spreading clumps up to two feet wide, artillery plant makes an attractive tropical ground cover. The common name is derived from the forcefully ejected pollen from the rather inconspicuous flowers on this brittle and succulent plant.”
Wondering if this could be one of the tiniest flowering plants ever.


 

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August2015sk04/04 — unknown small herb on wall : 4 posts by 2 authors. Attachments (5)

I was in a very tight schedule during the past two weeks or so. About a fortnight ago I went to Hooghly Sadar, a historical place.
I noticed a small herb growing on walls of buildings there. Also on rubbish. Those which grew on walls, I think, are not stunted as it may appear (given their habitat). I didn’t have ruler neither camera. All pics recorded on galaxy-duos.


Well, possibly Pilea microphylla Liebm.


Yes, most probably Pilea microphylla..


 

 

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This is another one, more or less same size, or even smaller, as in efi thread. Even maybe same species. I am not sure. I have only these three images (also have originals). The first images is cropped original.


Yes, this also looks to be Pilea microphylla ..


Yes, Sir, this was also looks same species. Thank you.


 

 

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Pink flowers : 5 posts by 4 authors. Attachments (2) -2Mb or more. 
Please help me with the name of this flower.
Close to Trivandrum Kerala
2. Growing on shady walls and drain walls
3. Looks like Pilea microphylla superficially
4. Tiny plant around 4″ with small pink flowers

Are you sure the pink flowers belong to this herb only and are not shed by any nearby high herb/shrub? To me also this herb is closer to Pilea, which should not have such flowers..!!


Agree with … thoughts. Perhaps the fallen flowers (florets) belong to Lantana (not sure).


 

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Wild Herb For ID : Nasik : 23MAY17 : AK-18 : 3 posts by 2 authors. Attachments (3)
Again old pictures of mine which I came across while checking some folders.

Very tiny wild herb.
Could be Pilea Species?


Pilea species in eFloraofindia (with details/ keys from published papers/ regional floras/ FRLHT/ FOI/ Biotik/ efloras/ books etc., where ever available on net) 


…, looks like Pilea to me too.


To me appears close to images at Pilea microphylla (L.) Liebm.   


I too agreed with P. microphylla …


 

Pilea microphylla (L.) Liebm. : 8 posts by 2 authors. 6 images- 5 to 7 mb each.
Location: Gyaneswor, Kathmandu, Nepal
Date: 05 August 2020

Altitude: 1300 m

Habitat : Wild 

 
References:
Catalogue of Life  The Plant List Ver. 1.1  Flora of Pakistan  Flora of China  Flowers of India  Wikipedia
 GRIN (Pilea microphylla (L.) Liebm.) GRIN (Pilea serpyllacea (Kunth) Liebm. syn. (=) Pilea globosa Wedd.; (=) Pilea globosa Wedd.)
Dinesh Valke’s Flickr Post  India Biodiversity Portal (Pilea microphylla (L.) Liebm.)  Hear  Hear 2  Dave’s garden  IFAS  AGGIE

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