Tylecodon buchholzianus

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Tylecodon buchholzianus
Crassulaceae - Tylecodon buchholzianus.JPG
Tylecodon buchholzianus at the botanical garden of Villa Durazzo-Pallavicini, Genova Pegli
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Order: Saxifragales
Family: Crassulaceae
Genus: Tylecodon
Species:
T. buchholzianus
Binomial name
Tylecodon buchholzianus
(Schuldt & P.Stephan) Toelken
Synonyms
  • Cotyledon bucholziana Schuldt & Stephan 1938

Tylecodon buchholzianus is a species of succulent plant in the genus Tylecodon belonging to the family Crassulaceae.

In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. Other ways of defining species include their karyotype, DNA sequence, morphology, behaviour or ecological niche. In addition, paleontologists use the concept of the chronospecies since fossil reproduction cannot be examined.

Succulent plant plants having some parts that are more than normally thickened and fleshy

In botany, succulent plants, also known as succulents, are plants that have some parts that are more than normally thickened and fleshy, usually to retain water in arid climates or soil conditions. The word "succulent" comes from the Latin word sucus, meaning juice, or sap. Succulent plants may store water in various structures, such as leaves and stems. Some definitions also include roots, thus geophytes that survive unfavorable periods by dying back to underground storage organs may be regarded as succulents. In horticultural use, the term "succulent" is sometimes used in a way which excludes plants that botanists would regard as succulents, such as cacti. Succulents are often grown as ornamental plants because of their striking and unusual appearance.

<i>Tylecodon</i> genus of plants

Tylecodon is a genus of succulent plants in the family Crassulaceae, native to southern Africa.

Contents

Description

Tylecodon buchholzianus is a shrub reaching a height of about 20–30 cm. It is a winter slow-growing plant, dormant during the summer. The stem is a swollen and thickened caudex with a diameter up to 30 cm and many elongate whitish or grey branches. In the Spring arise almost cylindrical green leaves, about 10 cm long, but the photosynthesis may be granted also by microscopic leaflets on the stem. Flowers are pale pink, have recurved lobes and emerge from tubes on short petioles. Flowering period extends from January to late Spring.

Caudex

A caudex of a plant is a stem, but the term is also used to mean a rootstock and particularly a basal stem structure from which new growth arises.

Distribution

This species is native to Namaqualand in South Africa and Namibia.

Namaqualand arid region of Namibia and South Africa, extending along the west coast over 1,000 kilometres and covering a total area of 440,000 square kilometres.

Namaqualand is an arid region of Namibia and South Africa, extending along the west coast over 1,000 kilometres (600 mi) and covering a total area of 440,000 square kilometres (170,000 sq mi). It is divided by the lower course of the Orange River into two portions – Little Namaqualand to the south and Great Namaqualand to the north.

South Africa Republic in the southernmost part of Africa

South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by 2,798 kilometres (1,739 mi) of coastline of Southern Africa stretching along the South Atlantic and Indian Oceans; to the north by the neighbouring countries of Namibia, Botswana, and Zimbabwe; and to the east and northeast by Mozambique and Eswatini (Swaziland); and it surrounds the enclaved country of Lesotho. South Africa is the largest country in Southern Africa and the 25th-largest country in the world by land area and, with over 57 million people, is the world's 24th-most populous nation. It is the southernmost country on the mainland of the Old World or the Eastern Hemisphere. About 80 percent of South Africans are of Bantu ancestry, divided among a variety of ethnic groups speaking different African languages, nine of which have official status. The remaining population consists of Africa's largest communities of European, Asian (Indian), and multiracial (Coloured) ancestry.

Namibia republic in southern Africa

Namibia, officially the Republic of Namibia, is a country in southern Africa. Its western border is the Atlantic Ocean; it shares land borders with Zambia and Angola to the north, Botswana to the east and South Africa to the south and east. Although it does not border Zimbabwe, less than 200 metres of the Zambezi River separates the two countries. Namibia gained independence from South Africa on 21 March 1990, following the Namibian War of Independence. Its capital and largest city is Windhoek, and it is a member state of the United Nations (UN), the Southern African Development Community (SADC), the African Union (AU), and the Commonwealth of Nations.

Subspecies

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