Woody
Stems and branches with a woody texture commonly associated with shrubs or perennials.Climbing-twining
A plant that climbs using tendrils or twines around a structure.This perennial twiner has purplish woody stem that requires support or it may form a low shrubby habit. It has leathery glossy green oblong leaves and the golden yellow trumpet-shape flowers appear in a cluster throughout summer.
Allamanda cathartica is naturally found in Brazil, tropical South America growing along forest margins or on water course embankments from sea level to an altitude of 700 m (2,296 ft). It prefers a well drained fertile moist organic rich sandy to clay loam with a pH range from 5.0 to 6.5. It grows in an open sunny position and is frost and drought tender.
The Golden Trumpet Vine is grown for its large flowers and dense foliage. It is grown over a pergola for shade or along fences for screening and used for colour in tropical gardens. It is also grown as a prostrate shrub and can be trimmed to form an informal hedge. It establishes in 2 to 3 years and is suitable for coastal regions requiring little care. Once established it has a medium water requirement, (Scale: 2-drops from 3) preferring to have reliable moist organic rich soil for optimum growth.
I.D. 309
UK hardiness zone H1c
Climate zones 23, 24, H1, H2
Allamanda (al-a-MAN-da) cathartica (ka-THAR-ti-ka)
Etymology
Genus:- - Allamanda - from a name one of the species bears in the gardens of Japan
Species:- Latin - cathartica – purging
Cultivars
'Cherry Ripe'
This plant produces variable cherry coloured flowers from spring to summer and is used in a container or trained over a trellis.
'Hendersonii'
This plant has large flowers that are yellow- orange with whitish spots in the throat.
'Schottii'
The large flowers are deep yellow with dark orange stripes in the throat.
'Williamsii'
This climber produces bright yellow flowers with a slightly darker throat that are arranged in clusters during autumn. It prefers a frost free semi shaded to full sun position and tolerates most well drained soils.
'Winter Velvet'
This climber produces red velvet-like flowers with a slightly darker throat that are arranged in clusters from winter to summer. It prefers a frost free sunny position in a sub-tropical to tropical region and tolerates most well drained moist soils.
Apocynaceae (a-pos-ih-NAY-see-ee)
The plants in this family are well known in domestic gardens (Frangipani, Oleander) and many come from the tropics.
Distribution
These plants come from tropical and limited in warm temperate regions of the world.
Diagnostic Features
These plants may be herbs, climbers, shrubs or trees.
The leaves are simple and arranged opposite, sometimes alternate or whorled.
The sap is normally milky-latex type.
The regularly symmetrical flowers occur in cymes and are bisexual. They are fragrant and have five sepals that are fused onto a tube, five petals that are fused into a tube towards the base and are funnelform to salverform shape. There are 5 stamens that are inserted in the corolla tube and have anthers on top that are united to the style.
The half inferior to superior ovary has one to two chambers that have two or more ovules.
The fleshy fruit is capsular or a follicle when paired.
The flat seed are normally hairy with a straight embryo that may have an endosperm.
Note:
Australian aborigines eat the fruit of Carissa spp and used the wood for spear making. Some species are used for herbal medicines and the latex has some commercial importance.
This plant tolerates between USDA zones 11a to 12a and grows to 3.5 m (15 ft)
Fahrenheit -40º to 55º F
These temperatures represent the lowest average.
Celsius 1.7º to 12.7º C
Attention
The information displayed on this plant is based on research conducted in our horticultural library and from reliable online resources. We also make observations of the plant that we photograph, and all care is taken to ensure the details are correct.
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Simple
The leaf that is not divided.Obovate
A leaf that is broadest at the apex tapering towards the base.Whorled
Leaves radiate from a common part of the stem.Entire
A leaf margin with no irregularities (smooth).