| 词条 | Alluaudia montagnacii |
| 释义 |
|image = 01 20120515ortopallavicini-235.JPG |image_caption = Alluaudia montagnacii at the botanical garden of Villa Durazzo-Pallavicini, Genova Pegli |genus = Alluaudia |species = montagnacii |authority = Rauh }} Alluaudia montagnacii is a rare species of flowering plants belonging to the family Didiereaceae. DescriptionAlluaudia montagnacii can reach a height of {{convert|2.4|-|6|m}}. 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. DistributionThis plant is endemic to southwestern plain of Madagascar. HabitatAlluaudia montagnacii grows in small arid and subarid areas in a narrow belt of the coast. It is part of the Madagascar spiny forests, where it forms a specific plant community with Euphorbia intisy and Euphorbia stenoclada. References{{commonscat|position=left}}{{Taxonbar|from=Q2649487}}{{-}}{{Caryophyllales-stub}} 4 : Didiereaceae|Endemic flora of Madagascar|Desert flora|Plants described in 1961 |
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