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Similar but less problematic plants:
Hibiscus rosa sinensis Hibiscus-rosa-sinensis
Allamanda cathartica is often confused with:
Gelsemium sempervirens Gelsemium sempervirens
Plants that fill a similar niche:
Abutilon x hybridum Abutilon X hybridum
Antigonon leptopus
Acalypha wilkesiana Acalypha wilkesiana

Allamanda Allamanda cathartica

Other Common Name(s):

Phonetic Spelling
al-ah-MAN-dah kah-THAR-tik-ah
This plant has low severity poison characteristics.
See below
Description

Tropical, tender, perennial evergreen, sprawling shrub or woody climber that can be grown as a houseplant or a tender annual in the landscape. Landscape plants can be cut back and overwintered as indoor container plants (needs bright light).

Leaves: opposite or whorled, simple, glossy, leathery.

Flowers: tubular, yellow, in clusters at ends of branches.

Poisonous;

Needs ample moisture but good drainag

Found in: Houseplant or interiorscape; landscape, ornamental tender annual vine

Climbing Method: Sprawls; needs to be tied; quasi-twining

Cultivars / Varieties:
  • 'Compacta'
  • 'Flone Pleno'
  • 'Grandiflora'
  • 'Hendersonii'
  • 'Williamsii'
Tags:
#tropical#evergreen#sun#yellow#poisonous#full sun#houseplant#annual#summer#fall flowers#shrub#yellow flowers#fall interest#rapid growth#flowering#grows fast#vines#summer flowers#tender perennial
 
Cultivars / Varieties:
  • 'Compacta'
  • 'Flone Pleno'
  • 'Grandiflora'
  • 'Hendersonii'
  • 'Williamsii'
Tags:
#tropical#evergreen#sun#yellow#poisonous#full sun#houseplant#annual#summer#fall flowers#shrub#yellow flowers#fall interest#rapid growth#flowering#grows fast#vines#summer flowers#tender perennial
  • Attributes:
    Genus:
    Allamanda
    Species:
    cathartica
    Family:
    Apocynaceae
    Life Cycle:
    Annual
    Perennial
    Woody
    Country Or Region Of Origin:
    Tropical America, and Brazil
    Particularly Resistant To (Insects/Diseases/Other Problems):
    moist soil
    Climbing Method:
    Twining
  • Whole Plant Traits:
    Plant Type:
    Houseplant
    Poisonous
    Shrub
    Vine
    Leaf Characteristics:
    Broadleaf Evergreen
    Growth Rate:
    Rapid
    Texture:
    Medium
  • Cultural Conditions:
    Light:
    Full sun (6 or more hours of direct sunlight a day)
    Soil Drainage:
    Good Drainage
    Occasionally Wet
  • Flowers:
    Flower Color:
    Gold/Yellow
    Flower Bloom Time:
    Fall
    Summer
    Flower Shape:
    Tubular
    Flower Description:
    Flowers are tubular, yellow, and in clusters at ends of branches. There are yellow flowers from summer to fall.
  • Leaves:
    Leaf Characteristics:
    Broadleaf Evergreen
    Leaf Feel:
    Glossy
    Leathery
    Leaf Type:
    Simple
    Leaf Arrangement:
    Opposite
    Whorled
    Hairs Present:
    No
    Leaf Description:
    Leaves are opposite or whorled, simple, glossy, and leathery.
  • Stem:
    Stem Is Aromatic:
    No
  • Landscape:
    Landscape Location:
    Container
    Houseplants
    Problems:
    Poisonous to Humans
  • Poisonous to Humans:
    Poison Severity:
    Low
    Poison Symptoms:
    Poisonous through: Ingestion, dermatitis TOXIC ONLY IF LARGE QUANTITIES EATEN; SKIN IRRITATION MINOR OR LASTING ONLY FOR A FEW MINUTES. Symptoms may include fever, swollen lips, thirst, nausea, diarrhea; skin irritation upon contact with cell sap.
    Poison Toxic Principle:
    Unknown
    Causes Contact Dermatitis:
    Yes
    Poison Part:
    Bark
    Flowers
    Fruits
    Leaves
    Roots
    Seeds
    Stems