Contents
Description
Ambrosia Confertiflora, also known as the San Joaquin Ragweed, is a flowering plant species that belongs to the family Asteraceae. It is native to the United States and can be found in the southwestern region, particularly in Arizona and California. The plant is an annual herb that can grow up to 3 feet tall, with a single stem and greenish-yellow flowers that bloom from July to September.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Ambrosia |
Appearance
The Ambrosia Confertiflora has a single stem that can grow up to 3 feet tall, with branches that are sometimes present in the upper part of the plant. Its leaves are green, deeply lobed, and can grow up to 8 centimeters long. The flowers are small and greenish-yellow, with male and female flowers on different plants. The fruit is a small achene that is covered with small spines.
Care Guide
When caring for the Ambrosia Confertiflora, it is important to provide it with adequate water, fertilization, soil, sunlight, and hardiness zones. The plant prefers well-drained soil and full sunlight. It can tolerate a variety of soil types, but prefers sandy or loamy soil. It is also important to keep the plant watered, but not over-watered. Fertilize the plant before planting and after the first blooms appear. The Ambrosia Confertiflora is hardy in USDA zones 8-11.
Common Pests & Diseases
The Ambrosia Confertiflora is prone to infestations of aphids, spider mites, and whiteflies. These pests can be controlled using insecticidal soap or neem oil. The plant can also be affected by fungal diseases such as powdery mildew and rust. These diseases can be controlled using a fungicide spray or by removing infected plant parts.
Habitat
The Ambrosia Confertiflora is native to the United States and can be found in the southwestern region, particularly in Arizona and California. It grows in a variety of habitats, including grasslands, chaparral, and desert scrub. The plant is adapted to hot and dry conditions and can tolerate drought.
Question and Answer
Q: Is the Ambrosia Confertiflora a good plant for landscaping?
A: No, the Ambrosia Confertiflora is not a good plant for landscaping because it is considered a weed and can spread rapidly.
Q: Can the Ambrosia Confertiflora be grown indoors?
A: No, the Ambrosia Confertiflora is an outdoor plant and cannot be grown indoors.
Q: Is the Ambrosia Confertiflora poisonous?
A: No, the Ambrosia Confertiflora is not poisonous, but it can cause allergies in some people.
Q: How long does the Ambrosia Confertiflora live?
A: The Ambrosia Confertiflora is an annual plant, meaning it completes its lifecycle in one year.
Related Plants
- Ambrosia artemisiifolia
- Ambrosia dumosa
- Ambrosia monogyra
- Ambrosia psilostachya
References
- “Ambrosia confertiflora.” Calflora. Accessed 10 March 2021. https://www.calflora.org/cgi-bin/species_query.cgi?where-taxon=Ambrosia+confertiflora
- “Ambrosia confertiflora.” USDA Plants Database. Accessed 10 March 2021. https://plants.usda.gov/core/profile?symbol=AMCO7
- “San Joaquin Ragweed.” Arizona-Sonora Desert Museum. Accessed 10 March 2021. https://www.desertmuseum.org/books/nhsd_sjoaquin.php
