Andhra Pradesh Forest Department - Silviculture of Species
Dolichandrone atrovirens, (Heyne ex. Roth) Spr.
(Syn Bignonia crispa. D. crispa.)
Family : Bignoniaceae
 
Telugu Name : Niruddi
General :
This species is mainly found in the dry deciduous forests of Cuddapah, Nellore and Chittoor districts as an associate of Red Sanders. It occurs on stony, detrital and shallow soils derived from crystalline rocks or traps. It often occurs on rocky ground or quartzite. It is identified by straight stem, compound leaf and white crisped flowers. It is drought resistant, fire-hardy species and a good coppicicer.
Flowering :
Sparse flowering appears in March - December.
Fruiting :
Fruits ripen between January to April.
Morphology of the Fruit / Seed :
Capsules 30 to 45 cms long, conspicuously speckled, smooth. Seeds sub-rectangular and having membanous wings.
Seed Collection and Storage :
Seeds are collected during January to April. They maintain their viability upto 8 months. Stored best in the air tight tins.
Seed Biology :
No. of seeds per Kg. Germination percentage Plant percent No. of seedlings per Kg. of seed
30,000 54 48 14,400
Pretreatment :
Not required.
Nursery Technique :

The species can be propagated by sowing, seedling planting and stump planting. The seeds are sown in polybags in March and the germination starts within a fortnight. The growth of the seedlings is fairly good. The polybag seedlings can be planted in July - August.