Overview

Comprehensive Description

Miscellaneous Details

"Notes: Western Ghats, Evergreen Forests"
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Brief

Flowering class: Dicot Habit: Tree
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Summary

Trees along the margin of high altitude evergreen forests between 1300-2200 m.
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Distribution

"
Global Distribution

India and Sri Lanka

Indian distribution

State - Kerala, District/s: Idukki, Thiruvananthapuram

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"Kerala: Idukki, Thiruvananthapuram Tamil Nadu: Coimbatore, Kanniyakumari, Theni, Tirunelveli"
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India and Sri Lanka; in the Western Ghats- South Sahyadri.
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Physical Description

Diagnostic Description

Diagnostic

"Unarmed trees, to 12 m high; young parts rusty tomentose. Leaves bipinnate, alternate, stipulate; stipules; rachis 5-16 cm long, slender, tomentose, pulvinate; glands at the base on upperside; pinnae 3-12 pairs, opposite, 2.3-6.5 cm, slender, pubescent, gland one half way between each pair of pinnae; leaflets 14-50, sessile, opposite, stipels absent; glands in between each pair of leaflets; lamina 0.6-1 x 0.1 x 0.3-0.4 cm, oblong or oblong-trapezoid, base oblique, apex obtusely acute, mucronate; margin entire, recurved, glabrous above, villous beneath, coriaceous; midrib more or less central, often ascending diagonally, lateral nerves obscure. Flowers bisexual, greenish-white, arranged in 6 flowered globular spike, in terminal panicles 2.5 cm across; calyx campanulate, 1.2 ×1-1.5 mm, golden pubescent, 5 toothed; corolla funnel shaped, 4-7 mm, golden pubescent; lobes ovate to oblong; stamens many, monadelphous at base, 7-10 mm long, exserted; ovary stipitate, pubescent, 1-celled, ovules many; style filiform; stigma minute Fruit a pod, 7-11 cm long, hispid, curved in to circle, orange within, dorsal suture coriaceous; sees 4-12, 5 mm across, black, compressed."
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Diagnostic

"
Habit

Shrubs to small trees, up to 10 m tall.

Branches and branchlets

Young branchlets angular, rusty tomentose.

Leaves

Leaves compound, bipinnate, paripinnate, alternate, spiral; stipules caducous; rachis 5-16 cm long, pulvinate, round sessile glands on the upper side, rusty tomentose; pinnae 3-12 pairs, opposite, tomentose; leaflets numerous, small, sessile, 0.6-0.9 x 0.2 cm, oblong to oblong-trapezoid, apex acute and mucronate, base asymmetric, margin entire and recurved, coriaceous, tawny-villous beneath; midrib canaliculate; secondary nerves 4-6 pairs; tertiary nerves obscure.

Inflorescence / Flower

Inflorescence clustered heads; flowers sessile, greenish white, stamens white and many.

Fruit and Seed

Pod, 7.5-10 cm long, coriaceous, twisted; seeds 4-12.

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Diagnostic

Habit: Tree
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Ecology

Habitat

General Habitat

Evergreen forests
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General Ecology

Ecology

Trees along the margin of high altitude evergreen forests between 1300-2200 m.
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Life History and Behavior

Cyclicity

Flowering and fruiting: December-May
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Pithecellobium clypearia

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Statistics of barcoding coverage: Pithecellobium clypearia

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Specimens with Barcodes: 2
Species With Barcodes: 1
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