Pergularia daemia

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Trellis-vine
In Limpopo, South Africa
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Gentianales
Family: Apocynaceae
Subfamily: Asclepiadoideae
Genus: Pergularia
Species: P. daemia
Binomial name
Pergularia daemia
(Forssk.) Chiov.
Synonyms
  • P. daemia (Forssk.) Blatt. & McCann
  • P. extensa (Jacq.) N.E.Br.
  • Asclepias daemia Forssk.
  • Daemia extensa (Jacq.) R.Br. ex Schult.

The Trellis-vine (Pergularia daemia) is a hispid, perennial vine in the Apocynaceae family, with an extensive range in the Old World tropics and subtropics.[1] It has been used traditionally to treat a number of ailments.[1]

Range and habitat

It occurs from the Malay Peninsula to Burma, India, Sri Lanka, Pakistan, Afghanistan through Arabia and Egypt to central and southern Africa.[2] It is found along roadsides, in woodland or along riparian forest fringes.[3]

Description

The opposite[1] and broadly ovate to suborbicular leaves are very variable in size, with petioles of varying length. The leaves are almost glabrous above and velvety below.[2]

In the northern hemisphere the flowers appear from mid to late winter, and these are carried on lateral cymes. The flower corolla forms a greenish-yellow or dull white tube.[2] The fruit mature after some 13 to 14 months[1] when they release ovate seeds covered with velvety hairs.[2]

Phytochemical properties

Terpenoids, flavonoids, sterols and cardenolids are among the chemicals that have been isolated from the either leaves, stems, shoots, roots, seeds or fruit.[1] Traditionally it has been used as an elmintic, laxative, antipyretic and expectorant, besides treatment of infantile diarrhoea, malarial intermittent fevers, toothaches and colds.[1] Studies have shown hepatoprotective, antifertility, anti-diabetic, analgesic, antipyretic and anti-inflammatory properties of substances in its aerial parts.[1]

Associated species

The larvae of the African monarch butterfly (D. c. aegyptius) feed on this species.

References

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Bhaskar, V.H. & Balakrishnan, N. (Oct-Dec 2009). "Veliparuthi (Pergularia daemia (Forsk.) Chiov.) – As a phytomedicine: A review". International Journal of PharmTech Research 1 (4): 305-1313. ISSN 0974-4304. Retrieved 27 March 2013. 
  2. 2.0 2.1 2.2 2.3 "Pergularia daemia (Forssk.) Chiov.". Flora of Pakistan. efloras.org. Retrieved 26 March 2013. 
  3. Hyde, M., et al. "Pergularia daemia (Forssk.) Chiov.". Flora of Zimbabwe. Retrieved 15 March 2013. 

External links

Media related to Pergularia daemia at Wikimedia Commons

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