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Saturday, September 5, 2015

Pilea microphylla

Pilea microphylla (L.) Liebm.
Family: Urticaceae
Synonyms: Adicea microphylla Kuntze, Adicea microphylla var. trianthemoides (Sw.) Kuntze, Chamaecnide microphylla Nees ex Miq., Dubrueilia microphylla (L.) Gaudich., Parietaria microphylla L., Pilea microphylla var. longifolia Wedd., Pilea muscosa Lindl., Pilea muscosa var. microphylla (L.) Wedd., Pilea portula Liebm., Pilea serpyllacea (Kunth) Liebm., Pilea succulenta Hook. f., Pilea trianthemoides var. microphylla (L.) Wedd., Urtica herniarifolia Willd., Urtica microphylla (L.) Sw., Urtica portulacoides Spreng., Urtica serpyllacea Kunth
  • Common name: Gunpowder Plant, Artillery plant, Rockweed
  • Marathi: rip
  • Chinese: 小叶冷水麻
  • Finnish: Sammalpiilea
  • French: Pilée à petites feuilles
  • German: Kleinblättrige Kanonierblume
  • Spanish: espumilla
  • Swedish: Mosspilea
Description: 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.

Whole plant diuretic, anthelmintic, a paste applied on rheumatic joints and skin diseases, for gastric and intestinal troubles. Leaves paste applied to sores and bruises. [CRC World Dictionary of Medicinal and Poisonous Plants]

Leaves inflammation, womb cleanser, Antioxidant, radioprotective [Ethnomedicinal Plants Revitalization of Traditional Knowledge of Herbs]

Diuretic, liver and urinary inflammation, diarrhea, sores [Handbook of African Medicinal Plants]

In Jamaica this plant is said to provide relief in cases of asthma. Beckwith reports its use with 'egg trash' to make tea for a woman in labour and for both mother and child after the birth. In the Grenadines it is used for diarrhoea in children.  [ Medicinal Plants of Jamaica]

Antitoxic, stable uterus, lung diseases, hepatitis, sore throat, stroke, brain hemorrhage, lowers blood pressure. [Taiwanese Native Medicinal Plants: Phytopharmacology and Therapeutic Values]

14 Published articles of Pilea microphylla
1.    CHEMICAL CONTROL OF Pileamicrophylla IN CATTLEYA SEEDLINGS (Cattleyatenebrosa x Cattleyaleopoldy) Battistus, A.G., et al., Planta Daninha, 2014. 32(4): p. 801-807.
2.    Chemical control of Pilea microphylla in Euterpe oleraceae nurseries with oxyfluorfen Romani, G.N., et al., in Acta Horticulturae, G. Facciuto and M.I. Sanchez, Editors. 2013. p. 327-330.
3.    Chemical Control of Pilea microphylla in Euterpe oleraceae Nurseries with Oxyfluorfen Romani, G.N., et al., Vii International Symposium on New Floricultural Crops, 2013. 1000: p. 327-330.
4.    Antimicrobial Activity of Extracts and Fractions from Aerial Parts of Selected Plants (Garcinia achachairu, M.v., Rubus niveus and Pilea microphylla) Against Some Pathogenic Microorganisms Melim, Carla, et al., Natural Product Communications, 2013. 8(11): p. 1567-1569.
5.    Antidepressant-like effects of selected crude extracts of Pilea microphylla in mice model of depression Amir Modarresi, C., et al., American Journal of Agricultural and Biological Sciences, 2013. 8(1): p. 75-81.
6.    Polyphenolic fraction of Pilea microphylla (L.) protects Chinese hamster lung fibroblasts against gamma-radiation-induced cytotoxicity and genotoxicity Paul, P., et al., Environmental Toxicology and Pharmacology, 2012. 33(1): p. 107-119.
7.    Antidiabetic, a.a.a.e.o.t.f.r.f.o.P.m.L.i.h.f.d.s.-i.d.i.m.B., Punit, et al., Experimental and Toxicologic Pathology, 2012. 64(6): p. 651-658.
8.    Antioxidant, A.A.a.T.T.o.P.m.M.C., Amir, D. Ibrahim, and S. Fariza Sulaiman, International journal of microbiology, 2010. 2010: p. 826830-826830.
9.    Antioxidant, a.a.a.t.t.o.P.m.A.M., Chahardehi, I. Darah, and S. Shaida Fariza, International Journal of Microbiology, 2010. 2010: p. e826830-e826830.
10.    Antioxidant and radioprotective effect of the active fraction of Pilea microphylla (L.) ethanolic extract Prabhakar, K.R., et al., Chemico-Biological Interactions, 2007. 165(1): p. 22-32.
11.    Chemical control of Pilea microphylla in orchid cultivation Freitas, F.C.L., et al., Planta Daninha, 2007. 25(3): p. 589-593.
12.    New records of Pilea microphylla (L.) Liebm. (Urticaceae) in Argentina Rossi de Ceballos, E. and O.M. Sidan, Lilloa, 2004. 41(1-2): p. 177-179.
13.    Contribution of the study of foliar cystoliths to the taxonomy of the neotropical complex Pilea microphylla (L.) Liebm. and related species Groult, M.L., Comptes Rendus De L Academie Des Sciences Serie Iii-Sciences De La Vie-Life Sciences, 1999. 322(9): p. 817-823.
14.    TWIG BLIGHT OF PILEA-MICROPHYLLA Hiremath, P.C., T.B. Anilkumar, and V.V. Sulladmath, Indian Phytopathology, 1976. 29(1): p. (1977)-(1977).

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