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Overview

Distribution

National Distribution

United States

Origin: Exotic

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Global Range: 0-1000 m elevation.

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Distribution

Distribution: Probably native of South America, now widely spread in tropics and substropics of the world. Cultivated commonly in the gardens in Pakistan.
  • Flora of Pakistan @ eFloras.org
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Allamanda cathartica L.:
Belize (Mesoamerica)
Brazil (South America)
Costa Rica (Mesoamerica)
Ecuador (South America)
El Salvador (Mesoamerica)
Mexico (Mesoamerica)
Honduras (Mesoamerica)
United States (North America)
Panama (Mesoamerica)
Peru (South America)
Gabon (Africa & Madagascar)
Guatemala (Mesoamerica)
Guyana (South America)
French Guiana (South America)
Suriname (South America)
Nicaragua (Mesoamerica)
Venezuela (South America)
Bolivia (South America)
China (Asia)
Caribbean (Caribbean)
Colombia (South America)
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA

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Allamanda cathartica var. grandiflora (Aubl.) L. H. Bailey & Raffill:
United States (North America)
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA

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Physical Description

Morphology

Description

An ever green scandent shrub; branches circular, smooth and green. Leaves in whorls of 4 or opposite, oblong, obovate or oblanceolate, 6-10 x 3-4 cm, acuminate, cuneate, ± coriaceous, penni-nerved, entire, glabrous above, pilose on nerves beneath; petiole short c. 5 mm long. Inflorescence axillary or a terminal cymose panicle, bracts deciduous. Flower showy, bright yellow. c. 8 cm in diameter. Sepals 5, lanceolate-ovate, acuminate, glabrous, c. 7-10 mm long. Corolla tube c.2.5 cm long, throat infundibuliform, c. 1.25 cm in diameter, lobes orbricular-rotundate c. 3.5 x 4 cm, glabrous. Stamens inserted in the throat, acute, c. 3.5 mm long; filament very short; style c. 2.5 cm long, filiform; fruit a globose-subglobose prickly capsule, c. 2-3 cm long, prickles soft, c. 7.5 mm long, seeds many, obovate, flat winged.
  • Flora of Pakistan @ eFloras.org
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Comments

Cultivated for medicine.
  • Flora of China @ eFloras.org
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Description

Shrubs trailing, to 4 m, with white latex. Stems glabrous. Leaves opposite or in whorls of 3-5; petiole ca. 5 mm; leaf blade obovate, narrowly obovate, or oblong, 6-15 X 4-5 cm, glabrous or villous along veins on abaxial surface, lateral veins flattened. Peduncle short. Flowers 7-14 cm. Corolla yellow; tube 4-8 cm, funnelform, cylindric in proximal half, campanulate in distal half, limb 9-14 cm in diam.; lobes obovate-truncate to orbicular. Capsules subglobose, 3-7 X 3-5 cm, with spines to 1 cm. Seeds compressed, winged or with a membranous margin. Fl. spring-summer. 2n = 18.
  • Flora of China @ eFloras.org
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Diagnostic Description

Synonym

Allamanda hendersonii Bulliard ex Dombrain; A. cathartica var. hendersonii (Bulliard ex Dombrain) L. H. Bailey & Raffill.
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Ecology

Habitat

Habitat & Distribution

Fujian, Guangdong, Guangxi, Hainan, Taiwan [native to South America]
  • Flora of China @ eFloras.org
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Life History and Behavior

Cyclicity

Flower/Fruit

Fl. Per.: May-August.
  • Flora of Pakistan @ eFloras.org
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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNA - Not Applicable

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

Reasons: Widespread New World tropical species.

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Wikipedia

Allamanda cathartica

Allamanda cathartica (Golden Trumpet) is an ornamental plant of Allamanda genus in the Apocynaceae family, which is native from Brazil. This plant is cited in Flora Brasiliensis by Carl Friedrich Philipp von Martius.

It is mainly used to treat malaria.

Its large flowers are very fragrant. This South American plant is thought to blossom best in full sunshine, and well drained soil. Growing

The golden trumpet is a vine that requires a trellis or a fence to support it. It does not twine, nor does it have tendrils or aerial roots. This vine could also be pruned so that it grows as a shrub. If not pruned, it could rapidly grow to a height of 20 feet.

Read more: Golden Trumpet Plant | Garden Guides http://www.gardenguides.com/98570-golden-trumpet-plant.html#ixzz1OvuMi9Pp

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