Tylecodon wallichii

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Tylecodon wallichii
5 Tylecodon wallichii - Montagu RSA.jpg
Tylecodon wallichii in Montagu.
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Saxifragales
Family: Crassulaceae
Genus: Tylecodon
Species:
T. wallichii
Binomial name
Tylecodon wallichii
Synonyms
  • Cotyledon wallichii Harv.

Tylecodon wallichii is a species of succulent plant in the genus Tylecodon belonging to the family Crassulaceae. [1] The species is named in honour of Nathaniel Wallich, early 19th century Danish plant hunter, botanist and physician.

Contents

Description

Detail of Tylecodon wallichii flowers. Anysberg Nature Reserve. Tylecodon wallichii Flowers.jpg
Detail of Tylecodon wallichii flowers. Anysberg Nature Reserve.
Tylecodon wallichii in winter. Richtersveld National Park Tylecodon wallichii Richtersveld.jpg
Tylecodon wallichii in winter. Richtersveld National Park

Tylecodon wallichii is a low sparsely branched shrublets reaching a height of about 50 cm (up to 1 m) with a single thick succulent stem up to 6 cm in diameter. Greyish branches are densely covered with residual leaf bases (phyllopodia) up to 1.5 cm long and crowded leaves on their tips. Leaves are yellowish to ash-green, hairless, ascending, slightly curved inward, tapering towards the apex, with a shallow groove along upper side, 6.5 — 9.5 cm (up to 15 cm) long. Plants blossom during summer, producing spreading to pendent clusters of dangling yellowish-green, urn-shaped flowers of 7-12 mm long with spreading to recurved lobes. [2] [3]

Hybridises with Tylecodon paniculatus. [4]

Distribution

Gravelly or sandy slopes of South Namibia and RCA from Namaqualand into the Great and Little Karoo. [1]

Toxicity

The plant contains bufadienolide-type cardiac glycoside cotyledoside which causes nenta poisoning ("krimpsiekte") in livestock. [5]

Subspecies

Related Research Articles

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<i>Cotyledon</i> (genus) Genus of succulents

Cotyledon is one of some 35 genera of succulent plants in the family Crassulaceae. Mostly from Southern Africa, they also occur throughout the drier parts of Africa as far north as the Arabian Peninsula. Ten of its species are mostly confined to South Africa, where unlike Tylecodon, they occur commonly in both the winter and summer rainfall regions. They may be found on coastal flats and rocky hillsides, or as cremnophytes on cliff faces. Their decussate, evergreen leaves are very variable in shape, even within some species, but the flowers are, apart from colour, very similar.

<i>Cotyledon orbiculata</i> Species of plant

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<i>Tylecodon</i> Genus of flowering plants

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<i>Cotyledon tomentosa</i> Species of succulent

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<i>Felicia filifolia</i> Species of flowering plant

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<i>Adromischus marianae</i> Species of succulent

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Crassula marnieriana Species of succulent

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<i>Tylecodon buchholzianus</i> Species of succulent

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

<i>Crassula capitella</i> Species of succulent

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<i>Boscia foetida</i> Species of tree

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<i>Kalanchoe longiflora</i> Species of succulent

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<i>Crassula brevifolia</i> Species of succulent plant

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<i>Crassula cultrata</i> Species of plant

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<i>Crassula subaphylla</i> Species of plant

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<i>Crassula atropurpurea</i> Species of succulent

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<i>Dudleya cymosa <span style="font-style:normal;">subsp.</span> paniculata</i> Species of succulent plant

Dudleya cymosa subsp. paniculata, known by the common name Diablo Range dudleya, is a species of perennial succulent plant in the family Crassulaceae native to the Inner South Coast Range of California. It is characterized by pale yellowish flowers, oblong to oblanceolate leaves and a growth habit not limited to a single substrate. It is closely related to Dudleya abramsii subsp. setchellii.

<i>Tylecodon reticulatus</i> Species of succulent

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

<i>Tylecodon paniculatus</i> Species of succulent

Tylecodon paniculatus, also known as Butter bush, Butter tree, Butterboom or Rooisuikerblom (Afrikaans), is a species of succulent plant in the genus Tylecodon belonging to the family Crassulaceae..

References

  1. 1 2 "Tylecodon wallichii (Harv.) Toelken". Plants of the World Online. Royal Botanic Gardens Kew . Retrieved 21 January 2022.
  2. Eggli, Urs (2003). Illustrated Handbook of Succulent Plants: Crassulaceae. Berlin, Heidelberg: Springer Berlin Heidelberg. p. 364. ISBN   978-3-642-55874-0.
  3. F. Smith, Gideon; R Crouch, Neil; Figueiredo, Estrela (2017). Field Guide to Succulents of Southern Africa. Penguin Random House South Africa. p. 320. ISBN   9781775843672.
  4. Manning, John C.. (2013). Field guide to wild flowers of South Africa. Cape Town: Random House Struik. p. 236. ISBN   9781920544874.
  5. Kellerman, T. S.; Coetzer, J. A. W.; Naudé, T. W.; Botha, C. J. (2005). Plant poisonings and mycotoxicoses of livestock in southern Africa (2nd ed.). Oxford: Oxford University Press. pp. 116–146. ISBN   978-0195761344.