''Rhodolaena bakeriana'' is a tree in the family
Sarcolaenaceae
The Sarcolaenaceae are a family of flowering plants endemic to Madagascar. The family includes 79 species of mostly evergreen trees and shrubs in ten genera.
Recent DNA studies indicate that the Sarcolaenaceae are a sibling taxon to the family ...
. It is
endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
to
Madagascar
Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...
.
Description
''Rhodolaena bakeriana'' grows as a medium-sized tree. Its twigs are hairy. It has small to medium leaves,
obovate
The following is a list of terms which are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (a single leaf blade or lamina) or compound (with several leaflets). The edge of the leaf may be regular o ...
, elliptic or oblong in shape. The
inflorescences
An inflorescence is a group or cluster of flowers arranged on a Plant stem, stem that is composed of a main branch or a complicated arrangement of branches. Morphology (biology), Morphologically, it is the modified part of the shoot of sperma ...
have one or two flowers on a long stem. Individual flowers are very large with five
sepals
A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 The term ''sepalum'' was coined b ...
and five purple-red petals, measuring up long. The fruits are medium-sized and woody.
[ The fruits may be dispersed by ]lemur
Lemurs ( ) (from Latin ''lemures'' – ghosts or spirits) are Strepsirrhini, wet-nosed primates of the Superfamily (biology), superfamily Lemuroidea (), divided into 8 Family (biology), families and consisting of 15 genera and around 100 exist ...
s.
Taxonomy
The Latin specific epithet
In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...
''Bakeriana'' is in honor of the English botanist John Gilbert Baker
John Gilbert Baker (13 January 1834 – 16 August 1920) was an English botanist. His son was the botanist Edmund Gilbert Baker (1864–1949).
Biography
Baker was born in Guisborough in North Yorkshire, the son of John and Mary (née Gilber ...
.[
]
Distribution and habitat
''Rhodolaena bakeriana'' is only found in the central to north central regions
In geography, regions, otherwise referred to as zones, lands or territories, are areas that are broadly divided by physical characteristics (physical geography), human impact characteristics (human geography), and the interaction of humanity and t ...
of Analamanga Analamanga is a region in central Madagascar, containing the capital Antananarivo and its surrounding metropolitan area. The region has an area of , and had a population of 3,618,128 in 2018.
Administrative divisions
Analamanga Region is divided in ...
, Sava
The Sava (; , ; sr-cyr, Сава, hu, Száva) is a river in Central and Southeast Europe, a right-bank and the longest tributary of the Danube. It flows through Slovenia, Croatia and along its border with Bosnia and Herzegovina, and finally th ...
, Haute Matsiatra
Haute Matsiatra (in Malagasy: Matsiatra Ambony) is a region in Madagascar. It borders Amoron'i Mania region in north, Vatovavy-Fitovinany in east, Ihorombe in south and Atsimo-Andrefana in west. The capital of the region is Fianarantsoa, and the p ...
and Alaotra-Mangoro
Alaotra-Mangoro is a region in eastern Madagascar. It borders Sofia Region in north, Analanjirofo in northeast, Atsinanana in east, Vakinankaratra in southwest, Analamanga in west and Betsiboka in northwest. The capital of the region is Ambatondra ...
.[ Its habitat is humid to subhumid evergreen forests from altitude.]
Threats
''Rhodolaena bakeriana'' is threatened by timber exploitation. Its habitat is also at risk from clearing for agriculture.
References
bakeriana
Endemic flora of Madagascar
Trees of Madagascar
Plants described in 1886
Taxa named by Henri Ernest Baillon
{{Sarcolaenaceae-stub