{{Short description|Species of herb}} {{Speciesbox |image = |genus = Secamonopsis |species = microphylla |authority = Civeyrel & Klack. }}

'''''Secamonopsis microphylla''''' is a plant species endemic to southern Madagascar.<ref name="asdw4btu39ag"/> It is a trailing or erect herb up to 1.5 m tall. Leaves are narrowly oblong, up to 10&nbsp;mm long. Flowers in groups of 1–3, yellow, tubular, up to 1.2&nbsp;mm long.

The only other species in the genus is ''Secamonopsis madagascariensis'', also indigenous to Madagascar. It is taller, often twining, with larger leaves than ''S. microphylla.''<ref name="asdw4btu39ag">[https://www.biodiversitylibrary.org/page/661870#page/143/mode/1up Civeyrel, L. & J. Klackenberg. 1996. A second species of the Malagasy genus ''Secamonopsis'' (Asclepiadaceae). Novon 6(2): 144–146]</ref><ref>[https://www.biodiversitylibrary.org/page/26844132#page/597/mode/1up Civeyrel, L. & N. Rowe. 2001. Phylogenetic relationships of Secamonoideae based on the plastid gene matK, morphology, and biomechanics. Annals of the Missouri Botanical Garden 88: 583–602]</ref><ref>[http://www.tropicos.org/ImageFullView.aspx?imageid=69563 photo of isotype of ''Secamonopsis microphylla''from Herbier du Parc Botanique et Zoologique de Tsimbazaza, Antananarivo, Madagascar]</ref><ref>Klackenberg, J. 1992. Taxonomy of ''Secamone'' (Asclepiadaceae) s.lat. in the Madagascar region. Opera Botanica 112:5-127.</ref>

==References== {{Reflist}}

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Category:Secamonoideae Category:Endemic flora of Madagascar