Bignonia frutescens Mill.
Bignonia incisa DC.
Bignonia sorbifolia Salisb.
Bignonia stans L.
Bignonia tecoma Wehmer
Bignonia tecomoides DC.
Gelseminum molle (Kunth) Kuntze
Gelseminum sambucifolium (Kunth) Kuntze
Gelseminum stans (L.) Kuntze
Stenolobium incisum Rose & Standl.
Stenolobium molle (Kunth) Seem.
Stenolobium quinquejugum Loes.
Stenolobium sambucifolium (Kunth) Seem.
Stenolobium stans (L.) Seem.
Stenolobium tronadora Loes.
Tecoma fabrisii T.Mey.
Tecoma incisa (Rose & Standl.) I.M.Johnst.
Tecoma mollis Kunth
Tecoma sambucifolia Kunth
Tecoma sorbifolia Kunth
Tecoma tronadora (Loes.) I.M.Johnst.
Tecoma velutina Lindl.
Common Name: Trumpet Flower
Trumpet flower is a fast-growing shrub or small tree that can reach a height of 5 - 8 metres[
The plant is often grown as an ornamental by virtue of its many yellow trumpet-shaped, scented flowers, it is also sometimes cultivated for its medicinal virtues, as a hedge and to provide shade[
S. America - Argentina north to the Caribbean and through Central America to southern N. America.
Prefers dry and disturbed areas such as roadsides but it can also be found in relatively undisturbed forests[
|Other Uses Rating||
|Pollinators||Humming birds, Bees
|Cultivation Status||Cultivated, Ornamental, Wild
A plant of drier areas in the tropics and subtropics, it can be found at elevations from sea level to around 2,000 metres[
]. It grows best in areas where annual daytime temperatures are within the range 15 - 25Â°c, but can tolerate 10 - 35Â°c[
]. The plant is intolerant of frost[
]. It prefers a mean annual rainfall in the range 500 - 700mm, but tolerates 400 - 800mm[
]. Trees can perform well in areas of less than the recommended rainfall but need to be irrigated; they can also grow at higher altitudes than recommended, but is then said to be slow in flowering[
Requires a sunny position[
]. Prefers clay loams, but tolerates most types of fertile, well-drained soils and is particularly tolerant of alkaline conditions[
]. Prefers a pH in the range 6 - 8.5, tolerating 5.5 - 9[
]. Established plants are drought tolerant[
The plant has escaped from cultivation and become naturalised in some areas[
]. It is capable of forming dense thickets and crowding out native species[
Plants can flower all year round[
]. The flower buds pop when squeezed[
A leaf infusion can be taken orally for treating diabetes and stomach pains[
A strong leaf and root decoction is taken orally as a diuretic, to treat syphilis or for intestinal worms[
The flowers are diuretic[
Trees can be planted as a live hedge[
The light brown wood is hard and very durable[
]. It is used in cabinet making, turnery, to make tools, and in the construction of buildings[
Trees provide firewood and charcoal[
Seed - does not require pre-treatment[
]. The seed, which germinates easily, can be sown in nursery beds or in containers[
]. Seedlings require 3 - 4 months in the nursery, after which they can be directly planted out[
Seed storage behaviour is orthodox, and seeds can be stored for long periods under ideal conditions[
Regeneration by cuttings is also possible[
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