Common Morning Glory
Quick Facts & Botanical Stats
Species Overview
What is a morning glory? The common morning glory (Ipomoea purpurea) is an annual herbaceous climbing vine in the Convolvulaceae family. Famous for its funnel-shaped flowers that open in the early morning and close by afternoon, it is a fast-growing climber. Native to Mexico, its seeds contain ergoline alkaloids and have historical use in Aztec spiritual rituals.
Physical Appearance & Anatomy
What does a morning glory look like? The vine features slender, twisting stems covered in fine, downward-pointing hairs. The leaves are heart-shaped, alternate, and bright green. How do morning glory flowers look? The flowers are trumpet-shaped, up to 6 cm across, with five fused petals. Colors are brilliant, ranging from sky-blue and deep purple to pink and white, often with a white throat.
Habitat & Growth Behavior
Where do morning glories grow? They thrive in sunny, open areas, disturbed fields, and gardens with moderate water and well-drained soil. They climb by wrapping their stems spirally (twiners) around supports like trellises or other plants. The flowers exhibit nyctinasty: they open at dawn to greet morning pollinators and close tightly in response to midday heat and light, lasting only one day.
Ecological Role & Symbioses
What pollinators visit morning glories? The bright trumpets attract hummingbirds, bees, and butterflies in the morning. Are they invasive? In agricultural fields, morning glories can become weed pests, wrapping around crops like corn and pulling them down. Their seeds are toxic, deterring seed-eating rodents and birds.
Reproduction, Lifecycle & Propagation
How do morning glories reproduce? They reproduce sexually. Flowers are pollinated in the morning, developing into round capsules containing 4 to 6 hard, dark brown seeds. The seeds have a tough coat and can remain dormant in the soil for years. Morning glories grow rapidly from seed in spring, bloom through summer, set seed, and die in winter.
Conservation Status & Environmental Threats
Ipomoea purpurea is classified as Least Concern on the IUCN Red List. It is abundant worldwide. Wild populations are stable and face no threats of extinction. In some agricultural zones, they are considered invasive weeds and are targeted with herbicides. They are highly resilient and adapt to poor soils.
Interesting Fun Facts
- Morning glory flowers open early in the morning and wither by afternoon, with each individual flower lasting only a single day.
- The plants climb by twining their stems around supports; they always twine in a counter-clockwise direction.
- Aztecs used morning glory seeds in religious ceremonies as a hallucinogen called 'ololiuqui'.
- In Victorian flower language, morning glory represents affection, mortality, and unrequited love.
Related Plants
Common Sunflower
Least ConcernWhat is a sunflower? The common sunflower (Helianthus annuus) is an annual herbaceous plant belonging to the Asteraceae (daisy) family. Native to North America, it is globally famous for its massive yellow flower heads that track the sun across the sky during their immature stage. Sunflowers are widely cultivated for their edible seeds, high-quality cooking oil, and ornamental value. They are also known for their phytoremediation capabilities, meaning they can extract toxic heavy metals and radiation from contaminated soils.
Common Jasmine
Least ConcernWhat is jasmine? Common jasmine (Jasminum officinale) is a deciduous climbing vine in the Oleaceae (olive) family. Globally famous for its intense, sweet, exotic fragrance, it is a key ingredient in perfumes, aromatherapy, and green jasmine teas. Native to the valleys of the Himalayas, it is a vigorous climber that uses its twisting stems to ascend structures.