Tecoma stans (L.) Kunth

Tecoma

Shrub to several metres tall, dense. Leaflets 5-13, each to 10 cm long, margin toothed. Flowers bright yellow, to 5 cm long; summer. Corolla more or less funnelshaped, abruptly constricted at the base. Fruit capsule about 20 cm long. [Stenolobium stans (L.) Seem.]

USA and Mexico to N Venezuela and Argentina

Occasionally naturalised in coastal districts north of Sydney.

Sometimes used as a screening plant with large, attractive, yellow, faintly scented flowers.

Grows best in warm climates but will survive in Melbourne.

Locally as a diuretic.

var. velutina DC. has leaflets that are softly hairy below.

Source: Spencer, R. (2002). Bignoniaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.

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Distribution map
kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Asteranae
order      Lamiales
family       Bignoniaceae
genus        Tecoma Juss.