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Description
Xeranthemum Inapertum, commonly known as the rough-leaved immortelle, is a species of flowering plant in the family Asteraceae. It is native to the Mediterranean region, including countries such as Greece, Turkey, and Italy. The plant is an annual herb that can grow up to 50 cm tall. It produces numerous branches with rough leaves and yellow or white flowers that bloom from June to September.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Xeranthemum |
Appearance
Xeranthemum Inapertum has rough, hairy, and green leaves that are up to 8 cm long. Its flowers are small and showy, measuring up to 2 cm in diameter. The flowers have yellow or white petals and a yellow center. The plant produces a round fruit that is about 2 mm wide.
Care Guide
To care for Xeranthemum Inapertum, provide it with well-draining soil and full sun exposure. The plant prefers dry and hot conditions, so avoid overwatering. Water it only when the soil is dry to the touch. Fertilize the plant once a month during the growing season with a balanced fertilizer. The plant is hardy in USDA zones 9-11.
Common Pests & Diseases
Xeranthemum Inapertum is susceptible to aphid infestations, which can be treated with insecticidal soap or neem oil. The plant may also be affected by powdery mildew, which can be prevented by providing good air circulation and avoiding overhead watering.
Habitat
Xeranthemum Inapertum is native to the Mediterranean region and can be found in rocky and dry habitats, such as hillsides and fields. It is a common plant in Greece, Turkey, and Italy.
Question and Answer
Q: Is Xeranthemum Inapertum a perennial or an annual plant?
A: Xeranthemum Inapertum is an annual plant.
Q: What is the blooming season of Xeranthemum Inapertum?
A: The blooming season of Xeranthemum Inapertum is from June to September.
Q: What is the hardiness zone of Xeranthemum Inapertum?
A: Xeranthemum Inapertum is hardy in USDA zones 9-11.
Q: What is the size of the fruit produced by Xeranthemum Inapertum?
A: The fruit produced by Xeranthemum Inapertum is about 2 mm wide.
Related Plants
Here are some related plants in the same family:
- Xeranthemum annuum
- Xeranthemum cylindraceum
- Xeranthemum inodorum
References
- “Xeranthemum Inapertum (L.) Mill.” Plants of the World Online, Kew Science. Accessed 13 May 2021. www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:250146-1.
- Dirr, Michael A. Dirr’s Encyclopedia of Trees and Shrubs. Timber Press, 2011.
- “Xeranthemum Inapertum.” Missouri Botanical Garden. Accessed 13 May 2021. www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=b206.
