Wisteria — Wisteria is a genus of about ten species of woody climbing vines native to the eastern United States and the East Asian states of China, Korea, and Japan. Aquarists refer to the species Hygrophila difformis, in the genus Hygrophila, as Water Wisteria. Wisteria vines climb by twining their stems either clockwise or counter-clockwise round any available support. They …

Water Hyacinth — The seven species of water hyacinths comprise the genus Eichhornia of free-floating perennial aquatic plants native to tropical South America. With broad, thick and glossy ovate leaves, water hyacinths may rise some 1 metre in height. The leaves are 10-20 cm across, supported above the water surface by long, spongy and bulbous stalks. The feathery, freely hanging …

Violet — Viola, commonly called Violets, is a genus of flowering plants in the family Violaceae, with around 400-500 species distributed around the world. Most species are found in the temperate Northern Hemisphere, however viola species are also found in widely divergent areas such as Hawaii, Australasia, and the Andes in South America. Most viola species are small perennial plants, …

Viburnum — Viburnum (Viburnum) is a genus of about 150-175 species of shrubs or (in a few species) small trees that were previously included in the family Caprifoliaceae. Genetic tests by the Angiosperm Phylogeny Group showed however that they are correctly classified in the family Adoxaceae. They are native throughout the temperate Northern Hemisphere, with a few species extending into …

Vanilla — Vanilla is a genus of about 110 species in the orchid family (Orchidaceae), including the species Vanilla planifolia from which commercial vanilla flavoring is derived. The name came from the Spanish word “vainilla”, diminutive form of “vaina” (meaning “sheath”), which is in turn derived from Latin “vagina”. This evergreen genus occurs worldwide in tropical and subtropical regions, from …

Primrose — Primroses (primula vulgaris) is a species of Primula native to western and southern Europe (from the Faroe Islands and Norway south to Portugal, and east to Germany, Ukraine, the Crimea, and the Balkans), northwest Africa (Algeria), and southwest Asia (Turkey east to Iran). The common name is Primrose, or occasionally Common Primrose or English Primrose to distinguish it …

Purslane — Portulaca oleracea (Common Purslane, also known as Verdolaga, Pigweed, Little Hogweed or Pusley), is an annual succulent in the family Portulacaceae, which can reach 40 cm in height. It is a native of India and the Middle East, but is naturalised elsewhere and in some regions is considered an invasive weed, but there is evidence that the species …

Rhododendron — Rhododendron (from the Greek: rhodos, “rose”, and dendron, “tree”) is a genus of flowering plants in the family Ericaceae. It is a large genus with over 1000 species and most have showy flower displays. It includes the plants known to gardeners as azaleas. The Rhododendron is an interesting genus characterized by shrubs and small to (rarely) large trees, …

Rose, Hybrid Rugosa — Rosa rugosa (Rugosa Rose, Japanese Rose, or Ramanas Rose) is a species of rose native to eastern Asia, in northeastern China, Japan, Korea and southeastern Siberia, where it grows on the coast, often on sand dunes. The Japanese name is, meaning “shore pear”. It is a suckering shrub which develops new plants from the roots and …

Tumbleweed — Tumbleweed (also known as Salsola, Saltwort or Russian thistle) is a genus of herbs, subshrubs, shrubs and small trees in the family Amaranthaceae, native to Africa, Asia, and Europe; they typically grow on flat, often dry and/or somewhat saline soils, with some species in saltmarshes. Recent genetic studies have however shown that the genus as traditionally circumscribed is …