42. Rhynchophora phillipsonii (EDGE species)

Belongs to the ditypic genus: R. humbertii and R. phillipsonii; Tribe:Rhynchophoreae.
Woody, slender vine. Leaves opposite, simple. Inflorescence in panicle; staminate or morphologically bisexual flowers. Fruit with 3 or 4 carpels, dry, indehiscent, samaroid, consisting of a cylindrical walnut with wings at its apex, one wing per carpel; seeds deeply furrowed between carpels, elliptical or obovate wings, serous on both sides.

This species differs from R. humbertii in the position of the wings on the fruit.

Flowering time: January

Population: 11 subpopulations

Lower elevation limit: 0 metres

Fruiting time: February-May

Trends:

Upper elevation limit: 499 m

Distribution

R. phillipsonii is endemic to southwestern Madagascar, in Atsimo-Andrefana Region of Toliara Province.

Number of locations: 8

EOO: 9,183 km²

AOO: 99 km²

Habitat and Ecology

Subarid forest, bushland and thicket.

Threats

Wildfires, wood exploitation and charcoal production.

Conservation

This species occurs in Amoron’i Onilahy (Cat. V), Mikea (Cat. II) and Ranobe PK32 Protected Areas.
It is reported in ex situ collections (BGCI 2022).

42. Rhynchophora phillipsonii W.R. Anderson

GE Score

EDGE Score

ED Score