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Description Olea Europaea Subsp. Europaea, commonly known as the European olive, is a small evergreen tree that is native to the Mediterranean region. It can grow up to 10 meters in height, but is usually pruned to a smaller size for cultivation. The tree has a twisted trunk and gnarled branches with silvery-grey leaves that are oblong in shape. It…

Description Oryza is a genus of plants in the grass family Poaceae, commonly known as rice. This plant is one of the most important crops in the world, providing food for billions of people. Oryza is an annual plant that grows up to 1.8 meters tall. It has long, narrow leaves and produces inflorescences that contain small flowers. The fruit…

Description Oxydendrum, commonly known as the sourwood tree, is a small deciduous tree that belongs to the Ericaceae family. It is native to the southeastern United States and can be found in the Appalachian Mountains. The sourwood tree has a slow to moderate growth rate and can grow up to 30 feet tall, with a spread of 20 feet. It…

Description Oenanthe Fistulosa, commonly known as tubular water dropwort or hollow-stemmed water dropwort, is an aquatic plant that belongs to the Apiaceae family. This plant is native to Europe, North Africa, and Western Asia. It is a perennial herb that grows up to 1.5 meters in height and spreads up to 1 meter in width. The leaves of Oenanthe Fistulosa…

Oreocnide frutescens is a unique flowering plant that belongs to the nettle family (Urticaceae). It is commonly known as the Java bush or Java nettle and is native to Southeast Asia, specifically in Java and Sumatra. It is a small shrub that can grow up to 6 feet tall and is commonly used in traditional medicine for its various health…

Oreosalsola is a genus of succulent plants that belongs to the family Amaranthaceae. It is commonly known as the salt-loving plant because it can grow well in saline and alkaline soils. The plant is native to the Americas, especially in the arid and semi-arid regions of North and South America. Oreosalsola is highly appreciated for its ornamental value and medicinal…

Description Onopordum Cynarocephalum, also known as the Spanish Thistle, is a tall and spiky flowering plant that belongs to the Asteraceae family. This plant is native to the Mediterranean region and is widely cultivated for its medicinal properties. The plant has a massive stem that can grow up to six feet in height and has sharp spines that can cause…

Description Orthotrichum Lyellii is a species of moss that belongs to the family Orthotrichaceae. It is commonly known as Lyell’s bristle moss, named after Sir Charles Lyell, a British geologist who was one of the pioneers of modern geology. Orthotrichum Lyellii is found in Europe, Asia, and North America, and it typically grows on rocks, tree trunks, and soil. This…

Description Oreorchis Fargesii is a species of orchid plant that belongs to the family Orchidaceae. It is a terrestrial orchid that is native to China, specifically in the provinces of Guizhou, Sichuan, and Yunnan. This orchid is a small plant that can grow up to 20-30 cm tall. It has thin stems that bear 1-2 pairs of leaves that are…

Description Orobanche Kochii is a parasitic plant that belongs to the family Orobanchaceae. It is commonly known as Koch’s Broomrape and can be found in the Mediterranean region, including Greece, Turkey, and Cyprus. This plant attaches itself to the roots of other plants and feeds off of their nutrients. Taxonomic Information Domain Eukaryota Kingdom Plantae Phylum Spermatophyta Class Magnoliopsida Order…