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Alangium salviifolium

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Alangium salviifolium
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Cornales
Family: Cornaceae
Genus: Alangium
Species:
A. salviifolium
Binomial name
Alangium salviifolium
(L.f.) Wangerin
Synonyms
  • Alangium acuminatum Wight ex Steud., nom. inval.
  • Alangium decapetalum Lam.
  • Alangium lamarckii Thwaites
  • Alangium latifolium Miq. ex C.B.Clarke
  • Alangium mohillae Tul.
  • Alangium salviifolium subsp. decapetalum (Lam.) Wangerin
  • Alangium sundanum var. miqueliana Kurz
  • Alangium tomentosum Lam.
  • Karangolum mohillae (Tul.) Kuntze

Alangium salviifolium, commonly known as sage-leaved alangium, is a flowering plant in the Cornaceae family. It is also commonly known as Ankolam in Malayalam, Ankola in Kannada, Akola or Ankol in Hindi and Alanji in Tamil. In India, Its mostly found in dry regions in plains and low hills and also found on roadsides.[1][2]

Etymology

The name Alangium is Latinized from the Malayalam name Alangi, which, in Kerala, refers to Alangium salviifolium.[3] It was named in 1783 by Jean-Baptiste Lamarck in his Encyclopédie Méthodique [4][5]

Flower, Long anther, Longer stigma

Description

Sage-leaved alangium is a small, bushy tree offering a dense canopy with a short trunk. It bears fragrant white flowers which have green buds. The petals of the flower typically curl backwards exposing the multiple stamens and a linear stigma distinctly sticking out. The fruits are spherical berry like and red in color. The prominent remains of the calyx can be seen distinctly with a white color. The leaves are simple, alternate, oblong-lanceolate.[1][2] The stunted branches end up with sharp ends making it look like thorns.[6]

In India, this tree is mostly found near sandy riverine tracts and road cuttings.[1] This tree flowers between February and April and Fruits between March and May just in time before the rainy season starts. It sheds it leaves completely when it flowers and leaves start coming when it begins to fruit.[6] It is considered as a holy tree and temples have been built near it.[7]

Simple Leaves, Alternate with characteristic galls
Stunted branches with sharp ends giving impression of a thorn
Bark

Subspecies

There are two accepted subspecies

  • Alangium salviifolium (L. f.) Wangerin which is a tree which has acute or rounded leaves without domatia
  • Alangium salviifolium subsp. hexapetalum (Lam.) Wangerin is a liana found in tropical evergreen forests of western ghats and has acuminate leaves with distinct domatia in veins on lower surface.[2] They are twiners which use their spines to their advantage to climb up large trees.[8]

Distribution

Its native to Western Africa, Madagascar, Southern and Eastern Asia (China, Malaysia, Indonesia, India, and Philippines), tropical Australia, the western Pacific Ocean islands and New Caledonia.[citation needed] In the Indian sub-continent, it is found in Andhra Pradesh, Bihar, Chhattisgarh, Goa, Gujarat, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Odisha, Rajasthan, Tamil Nadu, Tripura, Uttar Pradesh, Uttarakhand and West Bengal.[9] In the African region in eastern Kenya, Eastern Tanzania and Comoros.

Biodiversity and ecology

The flowers are bird and bee pollinated. It is mainly pollinated by pale-billed flowerpecker (Dicaeum erythrorhynchos), purple-rumped sunbird (Leptocoma zeylonica), purple sunbird (Cinnyris asiaticus) and two large carpenter bee species, Xylocopa latipes and Xylocopa pubescens.[10][11]

The birds that feed on the fruits are common myna (Acridotheres tristis), babblers (Turdoides sp) and rose-ringed parakeets (Psittacula krameri).[12]

This is the host plant of the larvae of a rare Western Ghat hawkmoth Daphnis minima[13]

Uses

In Ayurveda the roots and the fruits are used for the treatment of rheumatism and haemorrhoid. Externally, it is used for the treatment of bites by rabbits, rats, and dogs.[14] The root-bark is also used in traditional medicine skin problems and as an antidote for snake bite.[1] The root-bark is also used to expel parasitic worms (Platyhelminthes) and other internal parasites from the body. It is used as an emetic and purgative as well.[9]

The wood is said to be hard and close-grained because of which good finishing is possible. It is used to make ornamental work, pestles and rollers and also is good as a fuel wood.[1][2] The stems because of its sharp ends are used as a spear in Kenya. The twigs are also used as toothbrush in India. It is considered to be good for making musical instruments and for making furniture as well.[citation needed]

References

  1. ^ a b c d e Krishen, Pradip (2013). Jungle Trees of Central India. Penguin group. p. 164. ISBN 9780143420743.
  2. ^ a b c d Neginhal, S.G (2011). Forest trees of the western ghats. S.G Neginhal IFS (Retd). p. 176. ISBN 9789350671733.
  3. ^ Umberto Quattrocchi. 2000. CRC World Dictionary of Plant Names volume I. CRC Press: Boca Raton; New York; Washington, DC;, USA. London, UK. ISBN 978-0-8493-2675-2 (vol. I). (see External links below).
  4. ^ Alangium At: International Plant Names Index. (See External links below).
  5. ^ Jean-Baptiste Lamarck. 1783. Encyclopédie Méthodique: botanique. 1(1):174 (See External links below).
  6. ^ a b A, Kavitha; N, Deepthi; R, Ganesan; S C, Gladwin Joseph (2012). Common dryland trees of Karnataka. Bangalore: ATREE. p. 42. ISBN 978-81-902338-4-2.
  7. ^ http://www.columbuslost.com/2013/01/holy-ankola-or-alinjal-tree-at.html
  8. ^ PADAKI, ARJUN; N, PARTHASARATHY (2000). "Abundance and distribution of lianas in tropical lowland evergreen forest of Agumbe, central Western Ghats, India" (PDF). International Society for Tropical Ecology: 148.
  9. ^ a b K. N, Ganeshaiah; R, Ganesan; R, Vasudeva; C G, Kushalappa; A R R, Menon; Patwardhan, Ankur; S R, Yadav; Shanker, Uma (2012). Plants of Western Ghats (Vol.1). Bangalore: School of Ecology and Conservation GKVS Bangalore. p. 57.
  10. ^ Raju, A. J. Solomon; Rao, S. Purnachandra (2006). "Nesting habits, floral resources and foraging ecology of large carpenter bees (Xylocopa latipes and Xylocopa pubescens) in India". Current Science. 90: 1211.
  11. ^ Aluri Raju, Jacob Solomon; Rao, S Purnachandra; K, Rangaiah (2005). "Bird-mediated pollination and seed dispersal in a deciduous tree species, Alangium salviifolium (L.f.) Wangerin (Alangiaceae) in the Subtropical Eastern Ghats Forests of India". Journal of the National Taiwan Museum: 69.
  12. ^ J, Patrick DAvid; Manakadan, Ranjit; T, Ganesh (2015). "Frugivory and seed dispersal by birds and mammals in the coastal tropical dry evergreen forests of southern India: A review" (PDF). International Society for Tropical Ecology: 45.
  13. ^ http://www.flowersofindia.net/catalog/slides/Sage%20Leaved%20Alangium.html
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