Rhopalocarpus randrianaivoi

Rhopalocarpus randrianaivoi is a tree in the family Sphaerosepalaceae. It is endemic to Madagascar. It is named for the authors' colleague and specimen collector Richard Randrianaivo.[3]

Rhopalocarpus randrianaivoi
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Sphaerosepalaceae
Genus: Rhopalocarpus
R. randrianaivoi
Binomial name
Rhopalocarpus randrianaivoi


Rhopalocarpus randrianaivoi grows as a tree up to 25 metres (80 ft) tall. The coriaceous leaves are elliptic in shape and measure up to 9 cm (4 in) long. The species is not known to have any flowers. The fleshy fruits are coloured brown. They may be spherical or two-lobed and measure up to 2.7 cm (1.1 in) across.[3]

Distribution and habitatEdit

Rhopalocarpus randrianaivoi is known only from a few locations in the northeastern region of Sava.[4] Its habitat is humid or subhumid evergreen forests from sea-level to 500 m (1,600 ft) altitude.[1][4]


Rhopalocarpus randrianaivoi is threatened by shifting patterns of agriculture which are causing deforestation. The species is not present in any protected areas.[1]


  1. ^ a b c Members of the IUCN SSC Madagascar Plant Specialist Group (2015). "Rhopalocarpus randrianaivoi". IUCN Red List of Threatened Species. 2015: e.T70102592A70147927. doi:10.2305/IUCN.UK.2015-4.RLTS.T70102592A70147927.en.CS1 maint: uses authors parameter (link)
  2. ^ "Rhopalocarpus randrianaivoi". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew. Retrieved 15 Oct 2016.
  3. ^ a b Schatz, George E.; Lowry II, Porter P. (12 Jan 2006). "Endemic Families of Madagascar. X. Two new species of Rhopalocarpus Bojer (Sphaerosepalaceae)" (PDF). Adansonia. 3. Paris: Publications Scientifiques du Muséum national d'Histoire naturelle (published 28 Sep 2006). 28 (2): 329–336. Retrieved 15 Oct 2016.
  4. ^ a b "Rhopalocarpus randrianaivoi". Catalogue of the Vascular Plants of Madagascar. Missouri Botanical Garden. Retrieved 15 Oct 2016 – via Tropicos.org.