Larryleachia cactiformis: Difference between revisions

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{{Short description|Species of flowering plant}}
{{more footnotes|date=January 2013}}
{{more footnotes needed|date=January 2013}}

{{Speciesbox
{{Taxobox
| image = Larryleachia cactiformis.jpg
| image = Larryleachia cactiformis.jpg
| image_caption =
| image_caption =
| regnum = [[Plant]]ae
| status = LC
| status_system = SANBI
| unranked_divisio = [[Angiosperms]]
| status_ref = <ref>{{Cite web |title=Threatened Species Programme {{!}} SANBI Red List of South African Plants |url=http://redlist.sanbi.org/species.php?species=5211-1 |access-date=2024-01-10 |website=redlist.sanbi.org}}</ref>
| unranked_classis = [[Eudicots]]
⚫
| genus = Larryleachia
| unranked_ordo = [[Asterids]]
⚫
| species = cactiformis
| ordo = [[Gentianales]]
| authority = (Hook.) Plowes
| familia = [[Apocynaceae]]
| subfamilia = [[Asclepiadoideae]]
⚫
| genus = ''[[Larryleachia]]''
⚫
| species = '''''L. cactiformis'''''
| binomial = ''Larryleachia cactiformis''
| binomial_authority =
}}
}}


'''''Larryleachia cactiformis''''' is a [[stapeliad]] succulent, native to [[Namaqualand]] in [[South Africa]], where it grows in rocky areas. '''''Larryleachia cactiformis''''' proves as difficult a member of the Apocynaceae family in [[Horticulture|cultivation]] as others in its genus.
'''''Larryleachia cactiformis''''' (also known as the '''cactus barrel milkweed''') is a [[stapeliad]] succulent, native to the [[Richtersveld]] and [[Namaqualand]] in [[South Africa]], where it grows in rocky areas. ''Larryleachia cactiformis'' proves as difficult a member of the family Apocynaceae in [[Horticulture|cultivation]] as others in its genus.


==Description==
==Description==
True its name, ''Larryleachia cactiformis'' grows in the shape of a small cactus, with no leaves, spines or branches but ribbed with mammaillae on 4-6 sided protrusions. It is greyish green in colour and starts spherical, then grows into a short cylindrical stem of 4-6 inches high, and sometimes taller in captivity. The flowers grow from 0.2-0.6 inch [[peduncle (botany)|peduncles]] from the top, and are 1 inch in diameter when open. The corolla is pale yellow, fleshy, five pointed, shrivelled on the inside and decorated with dark red spots and lighter red tips. Seeds are flat and brown.
True its name, ''Larryleachia cactiformis'' grows in the shape of a small cactus, with no leaves, spines or branches but ribbed with mammaillae on 4-6 sided protrusions. It is greyish green in colour and starts spherical, then grows into a short cylindrical stem of 4-6 inches high, and sometimes taller in captivity. The flowers grow from 0.2 to 0.6 inch [[peduncle (botany)|peduncles]] from the top, and are 1 inch in diameter when open. The corolla is pale yellow, fleshy, five pointed, shrivelled on the inside and decorated with dark red spots and lighter red tips. Seeds are flat and brown.

=== Varieties ===
The species has two varieties:

* ''Larryleachia cactiformis var. cactiformis'' <small>(Hook.) Plowes</small><ref name=":0">{{Cite web |title=Larryleachia cactiformis (Hook.) Plowes var. cactiformis - Threatened Species Programme {{!}} SANBI Red List of South African Plants |url=http://redlist.sanbi.org/species.php?species=5211-1 |access-date=2024-01-10 |website=SANBI [[Red List of South African Plants]]}}</ref>
* ''Larryleachia cactiformis var. felina'' <small>(D.T.Cole) Bruyns</small><ref>{{Cite web |title=Larryleachia cactiformis (Hook.) Plowes var. felina (D.T.Cole) Bruyns - Threatened Species Programme {{!}} SANBI Red List of South African Plants |url=http://redlist.sanbi.org/species.php?species=5211-12 |access-date=2024-01-10 |website=SANBI [[Red List of South African Plants]]}}</ref>

== Distribution and habitat ==
''Larryleachia cactiformis'' is found in the Richtersveld and in the [[Bushmanland, Northern Cape|Bushmanland]] region of Namaqualand in the Northern Cape, from [[Sendelingsdrift]] to [[Garies]]. It is found amongst [[Fynbos]] and [[Succulent Karoo]] vegetation on quartz hills on the [[Kamiesberge]].<ref name=":0" />


==Cultivation==
==Cultivation==
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==References==
==References==
{{Reflist}}
*''The Complete Encyclopedia of Succulents'' by Zdenek Jezek and Libor Kunte (as ''Trichocaulon cactiforme'')
*''The Complete Encyclopedia of Succulents'' by Zdenek Jezek and Libor Kunte (as ''Trichocaulon cactiforme'')


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[[Category:Larryleachia|cactiformis]]
[[Category:Larryleachia|cactiformis]]
[[Category:Endemic flora of South Africa]]
[[Category:Endemic flora of the Cape Provinces]]

Latest revision as of 06:57, 10 January 2024

Larryleachia cactiformis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Apocynaceae
Genus: Larryleachia
Species:
L. cactiformis
Binomial name
Larryleachia cactiformis
(Hook.) Plowes

Larryleachia cactiformis (also known as the cactus barrel milkweed) is a stapeliad succulent, native to the Richtersveld and Namaqualand in South Africa, where it grows in rocky areas. Larryleachia cactiformis proves as difficult a member of the family Apocynaceae in cultivation as others in its genus.

Description[edit]

True its name, Larryleachia cactiformis grows in the shape of a small cactus, with no leaves, spines or branches but ribbed with mammaillae on 4-6 sided protrusions. It is greyish green in colour and starts spherical, then grows into a short cylindrical stem of 4-6 inches high, and sometimes taller in captivity. The flowers grow from 0.2 to 0.6 inch peduncles from the top, and are 1 inch in diameter when open. The corolla is pale yellow, fleshy, five pointed, shrivelled on the inside and decorated with dark red spots and lighter red tips. Seeds are flat and brown.

Varieties[edit]

The species has two varieties:

  • Larryleachia cactiformis var. cactiformis (Hook.) Plowes[2]
  • Larryleachia cactiformis var. felina (D.T.Cole) Bruyns[3]

Distribution and habitat[edit]

Larryleachia cactiformis is found in the Richtersveld and in the Bushmanland region of Namaqualand in the Northern Cape, from Sendelingsdrift to Garies. It is found amongst Fynbos and Succulent Karoo vegetation on quartz hills on the Kamiesberge.[2]

Cultivation[edit]

The usual problems for cultivation of Larryleachia apply to L. cactiformis, primary of these being the need for year- round warmth and sunlight, and the dangers of root rot and mealy bugs. Grafting L. cactiformis onto a rootstock tuber of a Ceropegia, such as Ceropegia woodii, and treating the plants against root mealy bugs should mostly alleviate these issues, though propagation is still a problem as the plant does not offset or seed readily and grows difficultly and slowly from seedling.

References[edit]

  1. ^ "Threatened Species Programme | SANBI Red List of South African Plants". redlist.sanbi.org. Retrieved 2024-01-10.
  2. ^ a b "Larryleachia cactiformis (Hook.) Plowes var. cactiformis - Threatened Species Programme | SANBI Red List of South African Plants". SANBI Red List of South African Plants. Retrieved 2024-01-10.
  3. ^ "Larryleachia cactiformis (Hook.) Plowes var. felina (D.T.Cole) Bruyns - Threatened Species Programme | SANBI Red List of South African Plants". SANBI Red List of South African Plants. Retrieved 2024-01-10.
  • The Complete Encyclopedia of Succulents by Zdenek Jezek and Libor Kunte (as Trichocaulon cactiforme)
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