Mitrophyllum

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Mitrophyllum
Mitrophyllum mitratum 9.jpg
Mitrophyllum mitratum
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Aizoaceae
Subfamily: Ruschioideae
Tribe: Ruschieae
Genus: Mitrophyllum
(Marl.) Schwant.
Species

See text

Synonyms

ConophyllumSchwantes

Mitrophyllum is a genus of succulent plants of the family Aizoaceae, indigenous to the arid region around the Richtersveld, on the border of South Africa and Namibia.

Contents

Description

Mitrophyllum mitratum showing the papery sheath in which the new pairs of leaves are held before rains. Mitrophyllum mitratum - Kirstenbosch greenhouse 3.jpg
Mitrophyllum mitratum showing the papery sheath in which the new pairs of leaves are held before rains.
Mitrophyllum clivorum. Mitrophyllum clivorum (Washington DC).jpg
Mitrophyllum clivorum.
Mitrophyllum grande. Mitrophyllum grande 3.jpg
Mitrophyllum grande.

The species generally grow stems, at the top of which two succulent leaves appear. Similar to the closely related genera of Monilaria and Meyerophytum , these leaf-pairs alternate consecutively between two different types of leaf-growth (heterophylly) and during the exceptionally hot summer they remain inactive in a dry sheath. When fused together into a cone-shaped corpuscle, this leaf pair is referred to as the plant's "mitre", and this is the origin of the genus name. The two separate leaves of the free leaf-pair are rounded-triangular to tongue-shaped. The fused leaf-pair forms a cone-shaped to cylindrical corpuscle, which bears two smaller ear-like anthers at the top. This fused corpuscle dries out in the plant's dormancy period, eventually becoming a papery sheath in which the new (separate) leaf-pair forms.

Cultivation

In cultivation, the plants are not difficult to grow. However they require deep well-drained sandy soil and sufficient sun exposure. They are also adapted to very dry summers and watering mainly over the winter. Their period of growth is primarily over late autumn and winter.

They are slow growing, maturing over many decades, and are difficult to propagate by cuttings; consequently seed is the preferred means of propagation. [1]

Species [2]

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References

  1. "Mitrophyllum On-line Guide to the positive identification of Succulent Plant Families".
  2. "Threatened Species Programme | SANBI Red List of South African Plants".
  3. Mitrophyllum abbreviatum - Encyclopedia
  4. Mitrophyllum dissitum - Encyclopedia
  5. Mitrophyllum grande - Encyclopedia
  6. Mitrophyllum mitratum