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Aptenia cordifolia: Heartleaf Iceplant and Baby Sun Rose
Aptenia cordifolia, a charming succulent, is known by several common names, including heartleaf iceplant, baby sun rose, and red apple. Its vibrant color and easy-care nature have made it a popular choice for ground cover and hanging baskets.
Considerations for Pets
- Aptenia cordifolia has succulent leaves and can form mat-like structures, which may be attractive to pets.
Considerations for Children
- Aptenia cordifolia has small parts like leaves and flowers that children could ingest.
Taxonomy and Nomenclature
- Scientific Name: Aptenia cordifolia (L.f.) N.E. Brown
- Family: Aizoaceae (Iceplant Family)
- Synonyms: Mesembryanthemum cordifolium Linnaeus f., Litocarpus cordifolius, Tetracoilanthus cordifolius.
- Taxonomic Note: The plant was first described by Linnaeus the Younger as Mesembryanthemum cordifolium in 1782, and later reclassified into the Aptenia genus by N.E. Brown in 1928.
Distribution and Habitat
- Aptenia cordifolia is native to the eastern coastal regions of South Africa, including the Cape Province and Kruger National Park.
- It has naturalized in various regions, including the Isles of Scilly, the Channel Islands, and areas within Australia (Victoria, Tasmania, South Australia and Western Australia) and the Mediterranean area.
Ecological Role
- In some regions, such as Australia, Aptenia cordifolia is considered an environmental weed due to its ability to escape gardens and spread into the wild.
Morphological Characteristics and Growth Habits
- Aptenia cordifolia is a succulent, creeping, mat-forming perennial.
- It is typically short-lived and forms solid, flat mats with stems that can reach up to 2 feet long.
- The leaves are glossy, succulent, dark green, heart-shaped (cordate), and typically about an inch long. They also have papillae.
- Flowers are bright magenta pink or purplish-red, inch-wide, aster-like, and bloom in spring and summer.
- Some varieties, like 'Variegata', have cream and green foliage with pink flowers.
Quirky Facts
- The flowers of Aptenia cordifolia open in the middle of the day.
- This plant exhibits crassulacean acid metabolism (CAM) under saline conditions, a water-conservation strategy common in succulents.
Interactions with Other Organisms
- Mentioned as being attractive for use in flowerpots with other plants like Portulaca oleracea, Syngonium podophyllum, Epipremnum aureum or Chlorophytum comosum.
Resources and Further Information
- USDA PLANTS Database
- Dave's Garden
- RHS (Royal Horticultural Society)
- Wikimedia Commons