Overview

Comprehensive Description

Miscellaneous Details

"Notes: Western Ghats, Evergreen Forests. Endemic to Southern Western Ghats"
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Brief

Flowering class: Dicot Habit: Tree
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Summary

Subcanopy trees in evergreen forests between 500 and 1200 m.
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Distribution

Range Description

Endemic to the southernmost part of the Western Ghats in the Agastyamalai Hills.
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"Karnataka: Coorg, N. Kanara, Shimoga, S. Kanara Kerala: Kollam, Thiruvananthapuram Tamil Nadu: Kanniyakumari, Tirunelveli"
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"
Global Distribution

Southern Western Ghats

Indian distribution

State - Kerala, District/s: Thiruvananthapuram, Kollam

"
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Endemic Distribution

Southern Western Ghats
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Endemic to the southern Western Ghats- Agasthyamalai.
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Physical Description

Diagnostic Description

Diagnostic

"Trees, to 25 m high, bark greyish-brown; blaze pink red; exudation milky; branchlets sympodial, terete, ferrugenous tomentose when young. Leaves alternate, subopposite or in indistinct whorls, estipulate; petiole 6-20 mm long, stout, tomentose; lamina 9.5-17. 5 x 3-8 cm, lanceolate, obovate, oblanceolate or obovate-elliptic, base cuneate, apex obtuse, acute, obtusely acuminate to subcuspidate, margin entire, glabrous above, puberulous beneath, coriaceous; lateral nerves 8-12 pairs, pinnate, slender, raised beneath; intercostae reticulate. Flowers bisexual, yellowish, in solitary or in few flowered axillary clusters; pedicels 2.5-4 cm long, pubescent, brown; calyx lobes 6 in 2 series; corolla campanulate, 5 mm long, lobes 6; stamens 12, attached to the base of corolla, extrorse; anthers acute, connective produced; ovary villous, 6-celled, superior, style subulate. Fruit a berry 3.5 x 1.7 cm, glabrous, fleshy, ellipsoid, beaked; seed one."
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Diagnostic

"
Habit

Trees up to 25 m tall.

Trunk\bark

Bark grey, smooth, flaky when mature; blaze pink.

Branchlets

Branches with architecture of “Aubreville model”; young branchlets terete, ferruginuouly tomentose when young, later glabrous.

Exudates

Latex white, profuse.

Leaves

Leaves simple, alternate, spiral, clustered at twig ends; petiole up to 2 cm long, stout, terete to planoconvex in cross section, tomentose when young; lamina 10-21 x 4.5-7 cm, obovate, oblanceolate, apex acuminate with blunt tip, base cuneate-attenuate,

Flowers

Flowers in axillary clusters or solitary, white; pedicel up to 4 cm long.

Fruit& seed

Berry, 3.5 cm long, ellipsoid, beaked; seed one.

"
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Diagnostic

Habit: Tree
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
A relatively large tree occurring in evergreen forest between 500 and 1,300 m.

Systems
  • Terrestrial
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General Habitat

Evergreen forests
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General Ecology

Ecology

Subcanopy trees in evergreen forests between 500 and 1200 m.
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Life History and Behavior

Cyclicity

Flowering and fruiting: March-October
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
VU
Vulnerable

Red List Criteria
B1+2c

Version
2.3

Year Assessed
1998
  • Needs updating

Assessor/s
World Conservation Monitoring Centre

Reviewer/s

Contributor/s

History
  • 1997
    Indeterminate
    (Walter and Gillett 1998)
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Vulnerable
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Population

Population
It has been collected or recorded from approximately six localities.
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Threats

Major Threats
Large areas have been exposed to fires, grazing, the establishment of commercial plantations and cutting for fuelwood.
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Management

Conservation Actions

Conservation Actions
Almost 1,000 km² of forest are now under protection within sanctuaries.
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Wikipedia

Palaquium bourdillonii

Palaquium bourdillonii is a species of plant in the Sapotaceae family. It is endemic to India. It is threatened by habitat loss.

Source[edit]


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