Boerhavia diffusaL.

(Punarnava)



Common namePunarnava
HabitHerb
HabitatGrowing wild in different terrestrial habitats, ranging from managed grasslands, wastelands, agroecosystems to large forest gaps
Parts usedWhole plant

Synonyms

Sr. No. Synonyms
1Axia cochinchinensis Lour.
2Boerhavia adscendens Willd.
3Boerhavia caespitosa Ridl.
4Boerhavia ciliatobracteata Heimerl
5Boerhavia coccinea var. leiocarpa Standl.
6Boerhavia coccinea var. paniculata Moscoso
7Boerhavia diffusa var. leiocarpa (Heimerl) C.D.Adams
8Boerhavia diffusa var. pubescens Choisy
9Boerhavia friesii Heimerl
10Boerhavia paniculata Rich.
11Boerhavia paniculata f. esetosa Heimerl
12Boerhavia paniculata var. guaranitica Heimerl
13Boerhavia paniculata f. leiocarpa Heimerl
14Boerhavia paniculata var. leiocarpa Heimerl
15Boerhavia paniculata f. multiglandulosa ( ex Parodi) Heimerl
16Boerhavia paniculata var. subacuta Choisy
17Boerhavia repens var. diffusa (L.) Hook.f.
18Boerhavia xerophila Domin
19Boerhavia diffusa var. paniculata Kuntze
20Boerhavia diffusa var. diffusa
21Boerhavia diffusa var. mutabilis (R.Br.) Heimerl

Taxonomical information

KingdomViridiplantae
PhylumStreptophyta
ClassMagnoliopsida
OrderCaryophyllales
FamilyNyctaginaceae
GenusBoerhavia
SpeciesBoerhavia diffusa L.

Vernacular names

SanskritPunarnava, Varsabhu
EnglishHorse purslene, Hog weed
HindiGadapurna, Lalpunarnava
KannadaKommeberu, Sanadika
MarathiGhetuli, Satodimula, Punarnava
MalayalamChuvanna Tazhutawa
BengaliRakta punarnava
TamilMukurattai
TeluguAtikamamidi, Erra galikeru
Urdu

Morphology

It is a perrenial creeping weed, prostrate or ascending herb up to 1 m long or more, having spreading branches, The roots are stout and fusiform with a woody root stock. The stem is prostrate, woody or succulent, cylindrical, often purplish, hairy and thickened at the nodes. Leaves are simple, thick, fleshy and hairy, arranged in unequal pairs, green and glabrous above and usally white underneath; ovate-oblong, round or subcordate at the base with smooth, wavy, or undulate margins; up to 5.5 x 3.3 cm2 in area. Flowers are minute, subcapitate, present 4-10 together in small bracteolate umbels, forming axillary and terminal panicles; hermaphrodite, pedicellate, and pink, or pinkish-red in color; Bracts are deciduous and involucrate; Calyx and corolla replaced by perianth which is tubular in shape, the tube being short and narrow at the base and funnel-shaped at the top and constricted above the ovary. There are five lobes, which are small and acute. Two or three stamens are present and are slightly exserted. The stigma is peltate. The fruit is an achene and is detachable, ovate, oblong, pubescent, fiveribbed and glandular, anthocarpous, and viscid on the ribs.

Distribution

It is found in India, Brazil, Africa, Australia, China, Egypt, Pakistan, Sudan, Sri Lanka, USA, Iran and Middle East countries

Medicinal uses

Anemia, Inflammation

References

1Babita Agrawal, B. A., Sunanda Das, S. D., and Archana Pandey, A. P. (2011).Boerhaavia diffusa Linn.: A review on its phytochemical and pharmacological profile. Asian J Appl Sci. 4, 663-684.
2Nayak, P., and Thirunavoukkarasu, M. (2016). A review of the plant Boerhaavia diffusa: its chemistry, pharmacology and therapeutical potential. J. Phytopharmacol, 5, 83-92.
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