Пркоси (науч. Portulacaceae) се семејство на скриеносеменици, која опфаќа 115 видови во еден род Пркоси. Порано таму биле сместени околу 20 рода со околу 500 видови, но сега е ограничен на еден род. Познато е и како семејство пркоси. Има космополитска распространетост, со најголема разновидност во полусувите региони на јужната хемисфера во Африка, Австралија и Јужна Америка, но со неколку видови кои се протегаат и на север во арктичките региони. Семејството е многу слично на каранфили, а се разликува по чашкините листови, кој имаат само две чашкини листови.
Системот APG II (2003; непроменет од APG системот од 1998 година) го припишува на редот каранфиловидни во евдикотите од јадрото на кладот. Во системот APG III, неколку родови биле преместени во Montiaceae, Didiereaceae, Anacampserotaceae и Talinaceae, со што семејството станало монотипично и го содржело само родот Portulaca. мини| Пркос мини| Пркос „Двобоен“
Видови Следните видови се прифатени:
Portulaca africana (Danin & H.G.Baker) Danin – Western Africa to south China Portulaca almeviae Ocampo – Mexico Portulaca amilis Speg. – Paraguayan purslane – Peru to Brazil and N. Argentina Portulaca anceps A.Rich. – Ethiopia Portulaca argentinensis Speg. – Argentina Portulaca aurantiaca Proctor – Jamaica Portulaca australis Endl. – N. & NE. Australia to W. Central Pacific Portulaca badamica S.R.Yadav & Dalavi – India Portulaca bicolor F.Muell. – Australian pigweed – Australia Portulaca biloba Urb. – Cuban purslane – Cuba Portulaca brevifolia Urb. – Cuba to Haiti, NW. Venezuela Portulaca bulbifera M.G.Gilbert – Ethiopia, Kenya Portulaca californica D.Legrand – Mexico Portulaca canariensis Danin & Reyes-Bet. – Canary Islands Portulaca cardenasiana D.Legrand – Puerto Rican purslane – Bolivia Portulaca caulerpoides Britton & P.Wilson – Puerto Rico Portulaca centrali-africana R.E.Fr. – E. DR Congo to NW. Tanzania Portulaca chacoana D.Legrand – Paraguay to NE. Argentina Portulaca ciferrii Chiov. – S. Somalia to SE. Kenya Portulaca clavigera R.Geesink – Western Australia Portulaca colombiana D.Legrand – Colombia to Venezuela Portulaca commutata M.G.Gilbert – S. Ethiopia to N. Tanzania Portulaca confertifolia Hauman – Argentina Portulaca conoidea S.M.Phillips – Kenya Portulaca constricta M.G.Gilbert – Ethiopia, Somalia Portulaca conzattii P.Wilson – Mexico to Central America Portulaca coralloides S.M.Phillips – Kenya Portulaca cryptopetala Speg. – Argentina, Bolivia, Brazil, Paraguay, Uruguay Portulaca cubensis Britton & P.Wilson – Cuba Portulaca cyclophylla F.Muell. – Western Australia Portulaca cypria Danin – Mediterranean Portulaca daninii Galasso, Banfi & Soldano – Brazil, Colombia, Peru, Suriname Portulaca decipiens Poelln. – Australia Portulaca decorticans M.G.Gilbert – Kenya, Somalia Portulaca dhofarica M.G.Gilbert – Oman Portulaca diegoi Mattos – Brazil Portulaca digyna F.Muell. – Australia Portulaca dodomaensis M.G.Gilbert – Tanzania Portulaca echinosperma Hauman – Argentina Portulaca edulis Danin & Bagella – Cyprus Portulaca elatior Mart. ex Rohrb. – Caribbean to S. Tropical America Portulaca elongata Rusby – Argentina, Bolivia, Peru Portulaca eruca Hauman – Argentina, Paraguay Portulaca erythraeae Schweinf. – Eritrea, Sudan Portulaca fascicularis Peter – Kenya, Tanzania Portulaca filifolia F.Muell. – Australia Portulaca filsonii J.H.Willis – Australia Portulaca fischeri Pax – Kenya, Tanzania, Uganda Portulaca fluvialis D.Legrand – Argentina, Bolivia, Brazil, Paraguay, Peru, Uruguay Portulaca foliosa Ker Gawl. – Tropical & S. Africa, Arabian Peninsula Portulaca fragilis Poelln. – Bolivia Portulaca frieseana Poelln. – Brazil Portulaca fulgens Griseb. – Argentina Portulaca gilliesii Hook. – Argentina, Bolivia, Paraguay, Uruguay Portulaca giuliettiae T.Vieira & A.A.Coelho – Brazil Portulaca goiasensis T.Vieira & A.A.Coelho – Brazil Portulaca gracilis Poelln. – Bolivia Portulaca grandiflora Hook. – moss-rose purslane – Argentina, Bolivia, Brazil, Paraguay, Uruguay Portulaca grandis Peter – Ethiopia, Kenya, Tanzania, Uganda Portulaca granulatostellulata (Poelln.) Ricceri & Arrigoni – W. Europe to Caucasus; N. Africa to W. Indian ocean Portulaca greenwayi M.G.Gilbert – Kenya Portulaca guanajuatensis Ocampo – Mexico Portulaca halimoides L. – silkcotton purslane – Central & S. U.S. to Tropical America Portulaca hatschbachii D.Legrand – Brazil Portulaca hereroensis Schinz – Tanzania to S. Africa Portulaca heterophylla Peter – Tanzania Portulaca hirsutissima Cambess. – Brazil Portulaca hoehnei D.Legrand – Brazil Portulaca howellii (D.Legrand) Eliasson – Galápagos Portulaca humilis Peter – Tanzania Portulaca impolita (Danin & H.G.Baker) Danin – U.S. Portulaca insignis Steyerm. – Venezuela Portulaca intraterranea J.M.Black – Australia Portulaca johnstonii Henrickson – Mexico Portulaca juliomartinezii Ocampo – Mexico Portulaca kermesina N.E.Br. – Eritrea to S. Africa, Arabian Peninsula Portulaca kuriensis M.G.Gilbert – Socotra Portulaca lakshminarasimhaniana S.R.Yadav & Dalavi – India Portulaca lutea Sol. ex G.Forst. – yellow purslane – Pacific Portulaca macbridei D.Legrand – Peru Portulaca macrantha Ricceri & Arrigoni – Canary Islands, Morocco Portulaca macrorhiza R.Geesink – Lesser Sunda Islands Portulaca macrosperma D.Legrand – Bolivia Portulaca masonii D.Legrand – Mexico Portulaca massaica S.M.Phillips – Kenya, Tanzania Portulaca matthewsii Ocampo – Mexico Portulaca mauritiensis Poelln. – Chagos Archipelago, Mascarenes Portulaca mexicana P.Wilson – Mexico Portulaca meyeri D.Legrand – Argentina Portulaca minensis D.Legrand – Brazil Portulaca minuta Correll – Florida, Bahamas Portulaca molokiniensis Hobdy – Hawaiian Islands Portulaca monanthoides Lodé – Socotra Portulaca mucronata Link – Bolivia, Paraguay, Venezuela Portulaca mucronulata D.Legrand – Argentina, Brazil Portulaca nicaraguensis (Danin & H.G.Baker) Danin – Florida, Guatemala, Nicaragua, Texas Portulaca nitida (Danin & H.G.Baker) Ricceri & Arrigoni – Europe to Central Asia, N. Africa Portulaca nivea Poelln. – Peru Portulaca nogalensis Chiov. – Somalia Portulaca oblonga Peter – Ethiopia, Kenya, Tanzania Portulaca obtusa Poelln. – Argentina Portulaca obtusifolia D.Legrand – Argentina Portulaca okinawensis E.Walker & Tawada – Ryukyu Islands Portulaca oleracea L. – common purslane, pigweed – Macaronesia, Tropical Africa, Mediterranean into India Portulaca oligosperma F.Muell. – Australia Portulaca olosirwa S.M.Phillips – Kenya Portulaca papillatostellulata (Danin & H.G.Baker) Danin – Europe to Mediterranean Portulaca papulifera D.Legrand – Argentina Portulaca papulosa Schltdl. – Argentina, Uruguay Portulaca paucistaminata Poelln. – Cuba Portulaca perennis R.E.Fr. – Argentina, Bolivia, Peru Portulaca peteri Poelln. – Ethiopia, Kenya, Tanzania Portulaca philippii I.M.Johnst. – Bolivia, Chile Portulaca pilosa L. Portulaca psammotropha Hance Portulaca pusilla Kunth – Colombia, Venezuela Portulaca pygmaea Steyerm. – Colombia, Venezuela Portulaca quadrifida L. – chickenweed purslane – Tropical & Subtropical Old World to SW. Pacific Portulaca ragonesei D.Legrand – Argentina Portulaca ramosa Peter – Tanzania Portulaca rausii Danin – Mediterranean Portulaca rhodesiana R.A.Dyer & E.A.Bruce – South Africa, Zimbabwe Portulaca rotundifolia R.E.Fr. – Argentina, Bolivia Portulaca rubricaulis Kunth – redstem purslane – SE. Mexico, Florida to Caribbean, Venezuela to Ecuador Portulaca rzedowskiana Ocampo – showy flowers, native to high elevations of central Mexico https://www.jstor.org/stable/41968056 Portulaca samhaensis A.G.Mill. – Socotra Portulaca samoensis Poelln. – New Guinea to SW. Pacific Portulaca sanctae-martae Poelln. – Colombia Portulaca sardoa Danin, Bagella & Marrosu – Corsica, Sardinia Portulaca saxifragoides Welw. ex Oliv. – Angola Portulaca sclerocarpa A.Gray – Ihi makole – Hawaiian Islands Portulaca sedifolia N.E.Br. – French Guiana, Guyana, Suriname, Venezuela Portulaca sedoides Welw. ex Oliv. – Angola Portulaca sicula Danin, Domina & Raimondo – Sicilia Portulaca smallii P.Wilson – Small's purslane – Georgia, North Carolina, South Carolina, Virginia Portulaca socotrana Domina & Raimondo – Socotra Portulaca somalica N.E.Br. – Somalia Portulaca stellulatotuberculata Poelln. – Paraguay Portulaca stuhlmannii Poelln. – Tanzania Portulaca suffrutescens Engelm. – shrubby purslane – Arizona, Mexico, New Mexico, Texas Portulaca suffruticosa Wight – India, Sri Lanka Portulaca sundaensis Poelln. – Lesser Sunda Islands Portulaca thellusonii Lindl. – Brazil Portulaca tingoensis J.F.Macbr. – Argentina, Peru Portulaca trianthemoides Bremek. – Limpopo Portulaca trituberculata Danin, Domina & Raimondo – Canary Islands, E. Central Europe to Mediterranean Portulaca tuberculata León – Cuba, Cayman Islands Portulaca tuberosa Roxb. – Indian subcontinent to N. Australia Portulaca umbraticola Kunth – wingpod purslane – Mexico to Tropical America Portulaca werdermannii Poelln. – Brazil Portulaca wightiana Wall. ex Wight & Arn. – South Africa to Ethiopia, India, Sri Lanka Portulaca yecorensis Henrickson & T.Van Devender – Mexico Portulaca zaffranii Danin – Mediterranean
Порано сместенi тука
Anacampseros arachnoides (Haw.) Симс (како P. arachnoides Haw. ) Anacampseros filamentos филаментоза (како P. filamentosa Haw. ) Anacampseros lanceolataланцелата (како P. lanceolata Haw. ) Anacampseros rufescens (Haw.) Sweet (како P. rufescens Haw. ) Anacampseros telephiastrum DC. (како P. anacampseros L. ) Montia howellii С. Вотсон Sesuvium portulacastrum (L.) L. (како P. portulacastrum L. ) Talinum fruticosum (L.) Јусс. (како P. fruticosa L. или P. triangularis Jacq. ) Talinum paniculatum (Jacq.) Gaertn. (како P. paniculata Jacq. или P. patens L. )
мини| Розов цвет Пркос од растение кое расте во саксија во затворен простор
Употреба Обичната толчница (толчница) е широко консумирана како јадливо растение, а во некои области е инвазивна. Растението пркос е добро познато украсно градинарско растение. Пркосите се преферираат како храна кај кокошките. Некои видови Пркос се користат како храна од ларвите на некои видови пеперуги, вклучувајќи го и морскиот молец (Hadula trifolii).
Галерија
Наводи
Portulacaceae in L. Watson and M.J. Dallwitz (1992 onwards). The families of flowering plants Flora of North America: Portulacaceae Flora of China: Portulacaceae links at CSDL Portulacaceae of Chile, by Chileflora Категорија:Пркоси Категорија:Пркос (род) Категорија:Статии со микроформати за вид Категорија:Флора на Европа Категорија:Флора на Македонија