Megistostegium nodulosum

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Megistostegium nodulosum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Malvaceae
Genus: Megistostegium
Species:
M. nodulosum
Binomial name
Megistostegium nodulosum
Synonyms[2]
  • Hibiscus nodulosus Drake
  • Macrocalyx tomentosa Costantin & Poiss.
  • Megistostegium retusum Hochr.

Megistostegium nodulosum is a tree in the family Malvaceae. It is endemic to Madagascar.

Description[edit]

Megistostegium nodulosum grows as a tree up to 8 metres (30 ft) tall. Its thin leaves are orbicular in shape. They are coloured gray-green and measure up to 4 cm (2 in) long. The flowers are erect with a light pink to red epicalyx and a red to pink corolla. The pollen is yellow when fresh.[3]

Distribution and habitat[edit]

Megistostegium nodulosum is found at numerous locations throughout southern Madagascar, including in protected areas. Its habitat is forests from sea level to about 500 m (1,600 ft) altitude.[2]

Conservation[edit]

Megistostegium nodulosum has been assessed as least concern on the IUCN Red List. There are some threats to the species such as from agriculture, mining and wildfires, but these are not yet considered significant threats to mature plants. Megistostegium nodulosum is present in a number of protected areas, including Andohahela National Park and Cap Sainte-Marie Special Reserve.[1]

Uses[edit]

Megistostegium nodulosum is locally used in home construction and as charcoal. The bark, leaves and twigs are locally used to treat conditions including eye ailments and stomach aches.[3]

References[edit]

  1. ^ a b Andriamanohera, A.M. (2019). "Megistostegium nodulosum". IUCN Red List of Threatened Species. 2019: e.T69221992A69258566. Retrieved 17 March 2023.
  2. ^ a b c "Megistostegium nodulosum". Catalogue of the Vascular Plants of Madagascar. Missouri Botanical Garden. Retrieved 8 May 2017 – via Tropicos.org.
  3. ^ a b Koopman, Margaret M. (2011). "A synopsis of the Malagasy endemic genus Megistostegium Hochr. (Hibisceae, Malvaceae)" (PDF). Adansonia. 3. 33 (1). Paris: Publications Scientifiques du Muséum national d'Histoire naturelle: 110–112. doi:10.5252/a2011n1a7. S2CID 85429003. Retrieved 8 May 2017.