Encephalartos longifolius

Last updated

Thunberg's cycad
Encephalartos longifolius05.jpg
Female specimens in the Suurberg
CITES Appendix I (CITES) [1]
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Gymnospermae
Division: Cycadophyta
Class: Cycadopsida
Order: Cycadales
Family: Zamiaceae
Genus: Encephalartos
Species:
E. longifolius
Binomial name
Encephalartos longifolius
(Jacq.) Lehm., 1834
Encephalartos longifolius, verspreiding, a.png
  range of species
Synonyms

Encephalartos lanuginosusJacqin
Encephalartos mauritianusMiq.
Zamia lanuginosaJacqin
Zamia longifoliaJacqin

Contents

Encephalartos longifolius is a low-growing palm-like cycad in the family Zamiaceae. It is endemic to South Africa and is commonly known as Thunberg's cycad, breadpalm or broodboom. [2] This cycad is listed as near threatened in the IUCN Red List of Threatened Species. [3]

Description

E. longifolius growing at the Orto botanico di Palermo Encephalartos longifolius02.jpg
E. longifolius growing at the Orto botanico di Palermo
The male cone Encephalartos longifolius - Villa Thuret - DSC04828.JPG
The male cone

The breadpalm grows up to three metres tall and develops a very thick trunk with age. This is crowned with dark or metallic green, semi-glossy, arching leaves up to two metres long and moderately keeled. The leaflets are lanceolate, overlapping upwards and have smooth margins. There are one to three green, ovoid male cones up to sixty centimetres long and twenty centimetres in diameter. A similar number of green female cones are more robust with a diameter of up to forty centimetres. The seeds are red and can reach five centimetres long. [4]

Distribution

This species is found in coastal regions of Eastern Cape Province, South Africa growing at heights of up to six hundred metres. It grows in a variety of different habitats on the mountain ridges from west of Joubertina in the Kouga mountains east to near Grahamstown. There are a large number of locations where breadpalms grow but on the whole, populations are declining. [3]

Historical note

In their book on South African trees, published in 1972, Eve Palmer and Norah Pitman wrote:

This was the first cycad seen by the early colonists pushing eastwards. This was Thunberg's breadtree; and this species almost changed the course of South African history for its seeds nearly killed General Smuts and men of a Boer commando in the eastern Cape during the Anglo-Boer War. Colonel Deneys Reitz writes in his book Commando how Smuts and his men, camping on the Suurberg, were poisoned after eating the seeds of Encephalartos altensteinii . Botanists today know that Reitz mistook the species, and that it was Thunberg's breadtree that poisoned the party. [2]

Related Research Articles

<i>Encephalartos transvenosus</i> Species of cycad

Encephalartos transvenosus is a palm-like cycad in the family Zamiaceae, with a localized distribution in Limpopo, South Africa. Its common names, Modjadji's cycad or Modjadji's palm, allude to the female dynasty of the Lobedu people, the Rain Queens, whose hereditary name is Modjadji. The queen resides near a valley which is densely forested with these cycads, which they protected and hold sacred. The species name transvenosus refers to the fine network of veins between the main veins. These can be seen when the leaf is held up to the light.

<i>Encephalartos woodii</i> Species of cycad

Encephalartos woodii, Wood's cycad, is a rare cycad in the genus Encephalartos, and is endemic to the oNgoye Forest of KwaZulu-Natal, South Africa. It is one of the rarest plants in the world, being extinct in the wild with all specimens being clones of the type. The specific and common name both honour John Medley Wood, curator of the Durban Botanic Garden and director of the Natal Government Herbarium of South Africa, who discovered the plant in 1895.

<i>Encephalartos horridus</i> Species of cycad

Encephalartos horridus, the Eastern Cape blue cycad, is a small, low-growing cycad up to 0.9 m (3.0 ft) high and 0.9 m (3.0 ft) wide. It is a native of Eastern Cape Province, South Africa, and found in arid shrublands, most commonly on ridges and slopes with shallow soils. The species is particularly known for its distinctly blue-gray leaves, although the degree of coloration can vary significantly. The species name horridus is Latin for 'bristly', after the plant's stiff, spiny leaflets.

Encephalartos sclavoi, common name Sclavo's cycad, is a critically endangered cycad in the family Zamiaceae. It is endemic to Tanzania, with a population of only ~50 mature plants.

<i>Encephalartos villosus</i> Species of cycad

Encephalartos villosus is a South African cycad occurring from the East London vicinity, where it is found near the coast, to the northern border of Eswatini (Swaziland) where it may grow as far as 100 km inland. The species is common throughout its range and is the most frequently cultivated in Southern Africa, largely because of its affordable price. As a result of its large geographical distribution, it is notably variable in leaf and cone shape.

<i>Encephalartos altensteinii</i> Species of cycad

Encephalartos altensteinii is a palm-like cycad in the family Zamiaceae. It is endemic to South Africa. The species name altensteinii commemorates Altenstein, a 19th-century German chancellor and patron of science. It is commonly known as the breadtree, broodboom, Eastern Cape giant cycad or uJobane (Zulu). It is listed as vulnerable due to habitat destruction, use for traditional medicine and removal by collectors.

<i>Encephalartos lehmannii</i> Species of cycad

Encephalartos lehmannii is a low-growing palm-like cycad in the family Zamiaceae. It is commonly known as the Karoo cycad and is endemic to South Africa. The species name lehmannii commemorates Prof J.G.C. Lehmann, a German botanist who studied the cycads and published a book on them in 1834. This cycad is listed as near threatened in the IUCN Red List of Threatened Species.

<i>Encephalartos caffer</i> Species of cycad

Encephalartos caffer, the Eastern Cape dwarf cycad, is a rare cycad from the genus Encephalartos.

<i>Encephalartos lebomboensis</i> Species of cycad

Encephalartos lebomboensis is a species of cycad in the family Zamiaceae. Native to the Lebombo Mountains of South Africa, the species was first described in 1949 by the South African botanist Inez Verdoorn. It is commonly known as the Lebombo cycad, although the name is also used for Encephalartos senticosus which also occurs in the same locality.

<i>Encephalartos senticosus</i> Species of cycad

Encephalartos senticosus is a species of cycad in the family Zamiaceae native to the Lebombo Mountains of Mozambique, Eswatini (Swaziland), and the KwaZulu-Natal province of South Africa. Prior to its description in 1996, Encephalartos senticosus had been confused with the closely related and sympatric Encephalartos lebomboensis. Both species are commonly known as the Lebombo cycad.

<i>Encephalartos whitelockii</i> Species of plant

Encephalartos whitelockii is a species of cycad that is native to Uganda.

<i>Encephalartos trispinosus</i> Species of cycad

Encephalartos trispinosus is a species of cycad that is native to the Eastern Cape Province of South Africa.

<i>Encephalartos paucidentatus</i> Species of cycad

Encephalartos paucidentatus is a species of cycad.

<i>Encephalartos latifrons</i> Species of cycad

Encephalartos latifrons is a species of cycad that is native to Eastern Cape province in South Africa at elevations of 200 and 600 metres.

<i>Encephalartos natalensis</i> Species of cycad

Encephalartos natalensis, the Natal cycad or giant cycad, is a species of cycad that is endemic to the Qumbu and Tabankulu areas of the northern part of the Eastern Cape, and through most of KwaZulu-Natal. The number of mature individuals of this species is declining and the International Union for Conservation of Nature has assessed its conservation status as being "near threatened".

<i>Encephalartos cycadifolius</i> Species of cycad

Encephalartos cycadifolius is a species of cycad that is native to the Winterberg mountains to the north of Bedford in the Eastern Cape province, South Africa. It is found at elevations from 1,200 to 1,800 meters.

<i>Encephalartos cupidus</i> Species of cycad

Encephalartos cupidus is a species of cycad that is found in the Limpopo Province, South Africa at elevations of 700 up to 1,500.

<i>Encephalartos inopinus</i> Species of cycad

Encephalartos inopinus is a species of cycad that is native to Limpopo Province, South Africa.

<i>Encephalartos cerinus</i> Species of cycad

Encephalartos cerinus or Waxen Cycad is a species of cycad in Africa.

<i>Encephalartos lanatus</i> Species of plant

Encephalartos lanatus is a species of cycad, a plant belonging to the family Zamiaceae growing in Mpumalanga, South Africa. Its specific epithet, lanatus, means wooly in Latin.

References

  1. "Appendices | CITES". cites.org. Retrieved 2024-01-17.
  2. 1 2 Palmer, E. and Pitman, N. Trees of southern Africa, covering all known indigenous species in the Republic of South Africa, South-West Africa, Botswana, Lesotho & Swaziland. Cape Town (1972).
  3. 1 2 "Encephalartos longifolius (Suurberg Cycad, Thunberg's Cycad)". www.iucnredlist.org. Retrieved 2017-08-01.
  4. "Encephalartos longifolius". plantnet.rbgsyd.nsw.gov.au. Archived from the original on 2014-06-23. Retrieved 2017-08-01.