Dalbergia spinosa  Roxb.
 
 
 
Dalbergia spinosa Roxb 


Much branched shrub or small tree with twining habitat, attaining a height upto 8 m 
Tap root system developed but no aerial roots 
Leaves compound, imparipinate, alternate, 2 woody spines at each node, upto 4 cm long, gradually tapering end 
Leaflets upto 1 cm long and 0.4 cm broad coriaceous, unicostate, reticulate venation. 
Inflorescence raceme 
Flower complete, bisexual, zygomorphic 
Sepals 5, gamosepalous, 5 lobes above, glabrous, green, fleshy, soft, vaxillary 
Petals 5, polypetalous, inferior, white, glabrous, herbaceous, standard 1, large, 0.25 cm long and 0.25 cm broad, two wings, 0.25 cm long, two keels 0.25 cm long 
Stamens 10 (9 + 1), diadelphous, filament fused to form short column, anthers free 
Carpels 2, syncarpous, ovary superior, shuttle shaped, one chambered, two ovules in each chamber, marginal placentation 
Style 1, terminal and stigma absent 
Fruit pod, kidney shaped, flattened, 2.5 cm long and 1.7 cm broad. One margin is convex and other concave with mid-notched 
 

Stiff, erect glabrous shrub 
Branches short, ending in ahard spines 
Leaves crowded from the nodes of the spinous branchlets 
Rachis slender, rusty pubescent 
Leaflets 7-11, firm oblong obtuse, glabrous, petioles very short 
Flowers long reniform, flat, glabrous, brown 

Economic Importance : Fuel wood, charcoal and timber