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Poison Hemlock

Poison Hemlock — Poison Hemlock, Conium is a genus of two species of perennial herbaceous flowering plants in the family Apiaceae, native to Europe and the Mediterranean region (C. maculatum), and to southern Africa (C. chaerophylloides). By far the most familiar species is Conium maculatum (Hemlock or Poison Hemlock), the most common of several species of hemlock noted for their …

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Plan Tree, London

Plan Tree, London — The London Plane or Hybrid Plane (Platanus × hispanica, synonyms Platanus × acerifolia and Platanus × hybrida) is a tree in the genus Platanus. It is usually thought to be a hybrid of the Oriental Plane, P. orientalis, with the American Plane (American sycamore), P. occidentalis. Some authorities think that it may be a cultivar of …

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Pistachio

Pistachio — The pistachio (Pistacia vera L., Anacardiaceae; sometimes placed in Pistaciaceae) is a small tree up to 10 m tall, native to mountainous regions of Iran, Turkmenistan and western Afghanistan. It has deciduous pinnate leaves 10–20 cm long. The plants are dioecious, with separate male and female trees. The flowers are apetalous and unisexual, and borne in panicles. The …

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Pineapple

Pineapple — The pineapple (Ananas comosus) is a tropical plant and fruit (multiple), native to Uruguay, Brazil, Puerto Rico, or Paraguay. It is a medium tall (1–1.5 m) herbaceous perennial plant with 30 or more trough-shaped and pointed leaves 30–100 cm long, surrounding a thick stem. The pineapple is an example of a multiple fruit: multiple, spirally-arranged flowers along the …

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Poinsettia

Poinsettia — Poinsettias (Euphorbia pulcherrima) are flowers of Mexican origin, native to the Pacific coast of the United States, some parts of central and southern Mexico (including the Mexican Pacific coast), and a few localities in Guatemala. They are named after Joel Roberts Poinsett, the first United States Ambassador to Mexico (technically first U.S. envoy to Mexico), who introduced the …

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Pine, Red

Pine, Red — The Red Pine (Pinus resinosa) is a pine native to northeastern North America, occurring from Newfoundland west to southeast Manitoba, and south to northern Illinois and Pennsylvania, with a small outlying population in the Appalachian Mountains in West Virginia. In the Upper Midwest of the United States it is sometimes known by the confusing name Norway Pine …

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Philodendron

Philodendron — Philodendron is a large genus of flowering plants from the arum family (Araceae), consisting of close to 1000 or more species according to TROPICOS (a service of the Missouri Botanical Garden). Taxonomically it is still poorly known with many undescribed species. Many are grown as ornamental and indoor plants. The name derives from the Greek philo or “love” …

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Petunia

Petunia — Petunia is a, trumpet shaped, widely-cultivated genus of flowering plants of South American origin, in the family Solanaceae. The popular flower got its name from French, which took the word petun ‘tobacco’ from a Tupi-Guarani language. Most of the varieties seen in gardens are hybrids (Petunia x hybrida). The origin of P. x hybrida is thought the be …

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