Clerodendrum phlomidis

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Alok Goyal

Jun 22, 2010, 5:45:06 AM6/22/10
Hallo all

Can any one please tell me the difference between Clerodendrum phlomidis and Clerodendrum viscosum. how can they be distinguished in field ?


tanay bose

Jun 22, 2010, 8:04:34 AM6/22/10
to Alok Goyal,
Dear Alok Ji,
Adding the morphological description and pictorial difference of both the plant hope it will be helpful for you!

Clerodendrum phlomidis Linn. f.,

Habit: Shrubs 1.5-3 (-4) m tall, stem ashy-grey, branches pubescent.

Leaves: opposite, ovate to rhomboid-ovate, 1.5-5 cm long, 1-3 cm broad, entire to sinuate-crenate, subacute-obtuse; petiole up to 2.5 cm long, densely hirsute.

Inflorescence: Cymes dichotomously branched, axillary, forming a rounded terminal panicle. Flowers creamy-white or pale yellowish, c. 1.5 cm across; pedicels 5-10 mm long, densely hirsute; bracts ovate lanceolate.

Calyx :campanulate, glabrous, pale or somewhat yellowish green, somewhat inflated, 5-lobed; lobes 4-5 mm long, ovate-triangulate,

Corolla: corolla-tube 2-2.5 cm long, much narrower than the calyx, pubescent externally; lobes 5, subequal, ovate-elliptic, 7-8 mm long, obtuse.

Fruit: Drupe obovoid, 8-12 mm long, black, wrinkled, usually 4-lobed, enclosed by the persistent calyx; seeds oblong, white.

Clerodendrum viscosum Vent.

Synonym : Clerodendrum infortunatum non L.

Habit : Large shrubs or small trees ca. 4 m tall.

Branchlets : Branchlets quadrangular, fulvous tomentose.

Leaves : Leaves simple, opposite, decussate; petiole 2.5-8 cm long , terete, fulvous tomentose; lamina 7-17 (-23) x 7.5- 15 cm, broad elliptic-ovate or suborbicular, apex acuminate, base cordate, margin entire or dentate, subcoriaceous, fulvous tomentose; midrib raised with tomentose above; 5-7-nerved at base; secondary nerves ca. 2-3 pairs; tertiary nerves distantly and horizontally percurrent.

 Flowers : Inflorescence terminal panicle, up to 18 cm long, fulvous pubescent; flowers zygomorphic, white.

Fruit& seed : Drupe, black, nearly globose seated on enlarged pinkish accrescent calyx.



Tanay Bose
+91(033) 25550676 (Resi)


Balkar Arya

Aug 2, 2011, 1:31:27 PM8/2/11
to tanay bose, Alok Goyal,
adding Pics  of 

Clerodendrum phlomidis

from Village Gagsina Distt Karnal 
pls validate

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Dr Balkar Singh
Head, Deptt. of Botany and Biotechnology
Arya P G College, Panipat
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