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The Crassulaceae, also known as the stonecrop family or the orpine family, are a diverse family of dicotyledon flowering plants characterized by succulent leaves and a unique form of photosynthesis, known as Crassulacean acid metabolism (CAM). Flowers generally have five floral parts. Crassulaceae are usually herbaceous but there are some subshrubs, and relatively few treelike or aquatic plants. Crassulaceae are a medium size monophyletic family in the core eudicots, among the order Saxifragales, whose diversity has made infrafamilial classification very difficult. The family includes approximately 1,400 species and 34–35 genera, depending on the circumscription of the genus Sedum, and distributed over three subfamilies. Members of the Crassulaceae are found worldwide, but mostly in the Northern Hemisphere and southern Africa, typically in dry and/or cold areas where water may be scarce, although a few are aquatic.
KalanchoeKAL-ən-KOH-ee, also written Kalanchöe or Kalanchoë, is a genus of about 125 species of tropical, succulent plants in the stonecrop family Crassulaceae, mainly native to Madagascar and tropical Africa. A Kalanchoe species was one of the first plants to be sent into space, sent on a resupply to the Soviet Salyut 1 space station in 1979. Kalanchoes require direct sunlight although they can survive with bright indirect sunlight. They only need to be watered when the soil is completely dry.
Kalanchoe beharensis is a plant species in the succulent genus Kalanchoe, and the family Crassulaceae. Kalanchoe beharensis is native to Madagascar.
Bryophyllum is a group of plant species of the family Crassulaceae native to Madagascar. It is a section or subgenus within the genus Kalanchoe, and was formerly placed at the level of genus. This section is notable for vegetatively growing small plantlets on the fringes of the leaves; these eventually drop off and root. These plantlets arise from mitosis of meristematic-type tissue in notches in the leaves.
Kalanchoe daigremontiana, formerly known as Bryophyllum daigremontianum and commonly called mother of thousands, alligator plant, or Mexican hat plant is a succulent plant native to Madagascar. Like other members of Bryophyllum, it can propagate vegetatively from plantlets that develop on its leaf margins. All parts of this species contain a very toxic steroid known as daigremontianin.
Kalanchoe thyrsiflora is a species of flowering plant native to Botswana, Lesotho, South Africa and Swaziland.
Daigremontianin is a bufadienolide. Bufadienolides are steroids and cardiac glycoside aglycones that are similar to cardenolides, differing only in the structure of the C-17 substituent on the D ring. This chemical has been found to be toxic in experiments on mice. It is one of five bufadienolides that have been isolated from Kalanchoe daigremontiana.
Kalanchoe top-spotting virus (KTSV) is a plant pathogenic virus of the family Caulimoviridae.
Kalanchoe blossfeldiana is a herbaceous and commonly cultivated house plant of the genus Kalanchoe native to Madagascar. It is known by the English common names flaming Katy, Christmas kalanchoe, florist kalanchoe and Madagascar widow's-thrill.
Kalanchoe delagoensis, formerly known as Bryophyllum delagoense and commonly called mother of millions or chandelier plant, is a succulent plant native to Madagascar. Like other members of Bryophyllum, it is able to propagate vegetatively from plantlets that develop on its leaf margins.
Kalanchoe pinnata, formerly known as Bryophyllum pinnatum, also known as the air plant, cathedral bells, life plant, miracle leaf, and Goethe plant is a succulent plant native to Madagascar, which is a popular houseplant and has become naturalized in tropical and subtropical areas. It is distinctive for the profusion of miniature plantlets that form on the margins of its phylloclades, a trait it has in common with some other members of Bryophyllum.
Kalanchoe brasiliensis, the folha-da-fortuna, saião, folha-da-costa or coerama, is a plant species in the genus Kalanchoe.
Kalanchoe tomentosa, also known as pussy ears or panda plant, is a succulent plant in the genus Kalanchoe. A native of Madagascar, Kalanchoe tomentosa has many different cultivars such as 'Golden Girl', 'Chocolate Soldier', 'Black Tie' and 'Teddy Bear'. It has red-rimmed leaves.
Kalanchoe × poincarei is a species of Kalanchoe native to southern Madagascar. Its scientific name is often misapplied to K. suarezensis and K. mortagei, but K. × poincarei is very different from them. The true K. × poincarei is a natural hybrid involving K. beauverdii, with similar sprawling stems up to 3 m in length, and not known in cultivation, whereas K. suarezensis and K. mortagei are erect, 30~60 cm tall and cultivated as ornamentals.
Kalanchoe mortagei is a species of Kalanchoe native to northern Madagascar. It is very similar to K. suarezensis, and both of them used to be mistakenly treated as varieties of a totally different species K. poincarei. K. mortagei differs by having auriculate to peltate leaves, while the leaf base of K. suarezensis is attenuate to truncate.
Kalanchoe laetivirens is a species of Kalanchoe. It is most likely a hybrid between K. daigremontiana and K. laxiflora, and therefore a group of invalid names for such a hybrid, including Kalanchoe crenodaigremontiana, Kalanchoe crenato-daigremontiana, Bryophyllum crenodaigremontianum and Bryophyllum crenato-daigremontianum, are just synonyms of K. laetivirens.
Kalanchoe × houghtonii is a hybrid between K. daigremontiana and K. delagoensis named after Arthur Duvernoix Houghton. It is often confused with K. daigremontiana which has strongly cordate to auriculate or even peltate leaves, while the leaves of K. × houghtonii are narrower and the leaf base is attenuate, cuneate to weakly cordate or auriculate.
Kalanchoe sexangularis, also known as bushveld kalanchoe, six-angled kalanchoe, or red-leaved kalanchoe, is a species of the succulent genus Kalanchoe, in the family Crassulaceae that is native to Southern Africa.
Kalanchoe beauverdii is a species of flowering plant in the family Crassulaceae. It goes by the common name Beauverd's widow's-thrill.