Nymphaeaceae

by | Mar 19, 2018 | Nymphaeaceae

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Alluaudia montagnacii is a rare species of flowering plant in the family Didiereaceae.

Description

Branch and leaves

Alluaudia montagnacii can reach a height of 2.4–6 metres (7 ft 10 in – 19 ft 8 in). The tall columnar central trunk sprouts strong vertical branches. Stem and branches have symmetrically arranged leaves, about 1.5 cm long, and black-tipped thorns, 2–2.5 cm long. Leaves are deciduous in the long dry season. Photosynthesis is carried on by the stems. This plant is well adapted to live where water is a limiting environmental factor. The flowers are small, green or yellow.

Distribution and habitat

Alluaudia montagnacii is endemic to the Mahafaly Plateau of southwestern Madagascar.[1] It grows in small arid and subarid areas on a narrow belt of the coast. It is part of the Madagascar spiny forests, where it forms a specific plant community with species such as Cedrelopsis grevei and Ficus marmorata.[1]

References

  1. ^ a b c Ramanantsialonina, R.N. (2019). "Alluaudia montagnacii". IUCN Red List of Threatened Species. 2019: e.T128095355A128098562. Retrieved 12 November 2023.
  2. ^ "Alluaudia montagnacii". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 12 November 2023.


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