Contents
Description
Smallanthus is a genus of flowering plants in the Asteraceae family, native to South and Central America. This genus was previously known as Polymnia, but was later reclassified to Smallanthus due to its distinct morphological characteristics. Smallanthus plants are perennials, and they are commonly grown as ornamental plants for their attractive foliage and showy flowers.
Taxonomic Information
| Domain: | Eukarya |
|---|---|
| Kingdom: | Plantae |
| Phylum: | Tracheophyta |
| Class: | Magnoliopsida |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Smallanthus |
Appearance
Smallanthus plants have a bushy habit, with erect stems that can grow up to 2 meters tall. The leaves are alternate, simple, and ovate to lanceolate in shape, with a serrated margin. The foliage is usually dark green, but some varieties may have variegated or bronze-colored leaves. The flowers are arranged in terminal clusters, and they are typically yellow or orange in color. Smallanthus plants bloom in the late summer or fall, and the flowers are attractive to bees and butterflies.
Care Guide
Smallanthus plants are easy to care for and require minimal maintenance. Here are some tips on how to care for them:- Water: Smallanthus plants prefer moist, well-drained soil. Water them regularly, especially during dry spells.- Fertilization: Smallanthus plants benefit from regular fertilization during the growing season. Use a balanced fertilizer every four to six weeks.- Soil: Smallanthus plants thrive in rich, loamy soil with a pH of 6.0 to 7.5.- Sunlight: Smallanthus plants prefer full sun to partial shade. They can tolerate some shade, but they will not bloom as abundantly.- Hardiness Zones: Smallanthus plants are hardy in USDA zones 8 to 11. They can be grown as perennials in these zones, but they may need protection from frost in colder areas.
Common Pests & Diseases
Smallanthus plants are generally resistant to pests and diseases. However, they may occasionally be affected by the following:- Aphids: These small insects suck sap from the leaves and stems, causing them to wilt and yellow. Use an insecticidal soap or neem oil to control aphids.- Powdery Mildew: This fungal disease appears as a white powdery coating on the leaves. It can be prevented by providing good air circulation and avoiding overhead watering.- Root Rot: This disease is caused by overwatering or poorly-drained soil. It can be prevented by ensuring that the soil is well-drained and not waterlogged.
Habitat
Smallanthus plants are native to South and Central America, where they grow in a variety of habitats, including forests, grasslands, and disturbed areas. They prefer warm, humid climates, and they can tolerate occasional drought.
Question and Answer
Q: Are Smallanthus plants toxic to pets?
A: Smallanthus plants are not known to be toxic to pets, but it is always best to keep them out of reach, just in case.
Q: Can Smallanthus plants be grown in containers?
A: Yes, Smallanthus plants can be grown in containers, but they may require more frequent watering and fertilization than plants grown in the ground.
Q: Do Smallanthus plants attract pollinators?
A: Yes, Smallanthus plants are attractive to bees and butterflies, which are important pollinators for many plants.
Q: How often should Smallanthus plants be pruned?
A: Smallanthus plants do not require regular pruning, but they can be pruned in the early spring to promote bushier growth and more abundant blooms.
Related Plants
Here are some other plants that are related to Smallanthus:- Polymnia: Smallanthus was previously classified as Polymnia, and the two genera are closely related.- Tithonia: Another genus of flowering plants in the Asteraceae family, commonly known as Mexican sunflowers.- Cosmos: A genus of flowering plants in the Asteraceae family, commonly grown as ornamental plants for their showy flowers.
References
– “Smallanthus.” The Plant List. Royal Botanic Gardens, Kew and Missouri Botanical Garden. http://www.theplantlist.org/browse/A/Compositae/Smallanthus/- “Smallanthus.” Missouri Botanical Garden. http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c990- “Smallanthus uvedalius.” North Carolina State University. https://plants.ces.ncsu.edu/plants/smallanthus-uvedalius/
