843

Premna serratifolia L.

Synonym
:
Cornutia corymbosa Burm.f.
Family
:
Lamiaceae
Local name
:
English - Headache tree
Malayalam - Munja, Kozhichedi
Flowering and fruiting period
:
May-November
Distribution
:
Indo-Malesia
Distribution in Kerala
:
Kottayam, Kannur, Kozhikode, Kasaragode, Thrissur, Ernakulam                           
Habitat
:
Moist sandy soil and scrub jungles along seacoasts and mangrove forests
Uses
:
A tea made from the boiled bark is used to treat neuralgia. 
Key Botanical Characters: 
Large shrub to small trees, to 7 m high. Leaves simple, opposite, estipulate;, Flowers bisexual, greenish-white, in terminal corymbose panicled cymes; bracts small; calyx small campanulate,; corolla tube short, villous inside, lobes 5; stamens 4, didynamous, inserted below the throat of the corolla tube; anther ovate; ovary superior, 2-4-celled, ovules 4; style linear; stigma shortly bifid. Fruit a drupe, seated on the calyx, globose, purple; seeds oblong.



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