Ailanthus excelsa Roxb.

Type
Indigenous
Family
Simaroubaceae
Local Name
Peemaram
Local Name 2
Peruppi
Habit
Medium sized tree
Tree Seed
Fruit type: 
Samara.
Seed weight: 
4,200 to 18,000 seeds/kg (Kindt et al., 1997; Carlowitz, 1991; Chacko et al., 2002).
Vernacular name: 
Peenari, Matti, Pongilyam (Chacko et al., 2002); Peemaram, Peruppi (Malayalam) (Sasidharan, 2004); Pimaram, Pinari, Perumaram (Tamil); Peetheri, Doddamara (Kannada); Maharukh, Arua, Limbado (Hindi) (Chacko et al., 2002).
Flowering season: 
February to March.
Fruiting season: 
April to May, May to July (FRI, 1981; Chacko et al., 2002).
Germination type: 
Epigeal (Chacko et al., 2002).
Germination percentage: 
70 (Rawat et al., 2001) to 90 (Chacko et al., 2002).
Method of propagation: 
Natural reproduction occurs through seed and coppice.
Botanical Features

Trees, bark light greyish-brown, fibrous or glandular, rough. Leaves pari or imparipinnate, alternate, estipulate; rachis 20-80 cm long, stout, swollen at base, pubescent; leaflets 13-29, subopposite; petiolule 20-50 mm long, slender, pubescent; lamina 9-15 x 4-6 cm, very variable in shape, mostly ovate-lanceolate, base unequal or truncate, apex acute or acuminate, margin irregularly and coarsely dentate, membranous, pubescent; lateral nerves 12-20 pairs, pinnate, prominent, intercostae reticulate, prominent. Flowers polygamous, 8 mm across, yellowish, in subterminal panicles, emits foetid smell; fruit a samara, 5 x 1.3 cm, prominently veined, oblong, copper red, twisted at base.

Habit
Leaf
Flower