|Scientific Name||Ailanthus excelsa Roxb.|
Flowering class: Dicot
Trees, to 25 m high, 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; male flowers: pedicels long, slender; sepals 5, ovate, pubescent; petals 5, ovate-lanceolate, reflexed; disc 10 lobed; stamens 10, inserted at the base disc; filaments shorter than anthers; anthers oblong; pistillode rudimentary; bisexual flowers: sepals, petals and disc as in male flowers; stamens 2 or 3; ovary 2-5, partite, superior, sparsely hairy, ovule 1 in each cell; style free or connate; stigmas curling. Fruit a samara, 5 x 1.3 cm, prominently veined, oblong, copper red, twisted at base.
Habit: A lofty deciduous tree, upto 15m.
Flowering and fruiting: December-July
In axillary or terminal panicles; greenish-yellow. Flowering from January-March.
An oblong samara, prominently nerved, membranous, seed 1. Fruiting March onwards.
Bark rough, branchlets with permanent leaf scars.
Notes: Cultivated as avenue tree
Wood is used to make catamarans. Planted for the soft wood and fodder.
Plains to 1000 m. India and Sri Lanka.
Planted in the plains
Found in deciduous forests from plains to 1000m. Not common. India and Sri Lanka.
State - Kerala, District/s: Palakkad, Idukki, Pathanamthitta, Wayanad
Wood is very soft and used for building Catamarans and match sticks and boxes. Leaves and bark used in medicinal preparations.
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