882

Stereospermum tetragonum DC.

Synonym	:	Stereospermum colais (Buch.-Ham. ex Dillw.) Mabb.,
Family	:	Bignoniaceae
Local name	:	English-Trumpet flower Malayalam-Poopathiri,
Flowering and fruiting period	:	February-October
Distribution	:	Indo-China and Malesia
Distribution in Kerala	:	All Districts
Habitat	:	Moist deciduous and semi-evergreen forests
Uses	:	It has anticancerous property
Key botanical characters : Large trees, to 30 m high; bole rough; pale greyish-brown, transversely rugose, exfoliations irregular. Leaves compound, imparipinnate, opposite, leaflets 7-13, opposite, elliptic-lanceolate, elliptic-oblong, ovate or obovate, apex acuminate or caudate acuminate, base oblique, acute or obtuse, margin entire or serrate, glabrous above and puberulent beneath, chartaceous;. Flowers bisexual, in terminal lax panicles. Calyx, campanulate, shallowly lobed, lobes 3-5. Corolla yellow with red streaks, infundibuliform, pubescent inside, base glandular hairy, lobes 5, subequal, crisped. Stamens 4, didymous, divaricate; filaments unequal, , hairy below;. Fruit a capsule; seeds wings obtuse at both ends.