Online Manual for the Forest Tree Seeds of Kerala

A Kerala Forest Department Funded Project

Dr. K Sudhakara
Professor & Head of the Department
Dept. of Silviculture & Agroforestry
College of Forestry, Kerala Agricultural University, Thrissur 680 656
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Scientific Name  Knema attenuata (Wall.ex Hk.f. & Thoms.)
Vernacular name  Chora - payin, Chen-nelli, Chora panu, Chenalla (Malayalam) (Gamble, 1922); Chora pathiri (Tamil)
Common name 
Synonyms  Myristica attenuata Wall.ex Hk.f. & Thoms., Myristica corticosa sensu Bedd. (Gamble, 1922; Sasidharan, 2004)
Family  Myristicaceae
Distribution  It is found in Western Ghats and common in evergreen forests.
Description  A medium-sized or large tree, 15-18 m high; young branchlets and inflorescence densely rusty-tomentose (Bose et al., 1998)
Flowering season  December to March, November to December (Bose et al., 1998)
Fruiting season  December to March, February to April (Bose et al., 1998)
Flowers  Flowers dioecious. Male and female in axillary or lateral fascicles, rusty pubescent; perianth 3 lobed; stamens 8-20, connate by their bases, form a peltate disc, stalked; ovary ovoid, superior, 1-locular; ovule 1, basal (Anil Kumar et al., 2005). Male flowers nearly globose, 4-5 mm in diameter (Bose et al., 1998)
Fruits  Capsule ellipsoid, rusty pubescent, ovoid, 2.5-3.5 cm long with short point or beak, densely rusty-tomentose; pericarp thin; aril entire except the lobed apex (Bose et al., 1998; Anil Kumar et al., 2005)
Fruit type  Capsule
Seeds  Seeds arillate (Anil Kumar et al., 2005)
Seed length 
Seed width 
Seed thickness 
Seed weight 
Seed dispersal 
Seed Collection 
Transportation of seeds 
Seed processing 
Seed storage 
Viability period 
Seed emptiness 
Seed pre treatment 
Germination type 
Germination percentage 
Germination period 
Nursery technique 
Method of propagation 
Vegetative propagation 
Medicinal properties 
Uses  Knema attenuata used to keep off land leeches by tribal communities in wet evergreen forests of Kerala (Nazarudeen, 2003)
Wood properties  The timber is useful for good board, packing cases, match boxes and splints. Seeds yield a fixed oil (Bose et al., 1998)The wood is pinkish to pale red, moderately hard (Bose et al., 1998). Wood pale brown, moderately hard of little value. Wood light reddish brown, soft (Gamble, 1922)
References  Get ...
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