21. Thamnoldenlandia ambovombensis Groeninckx
Gentianales > Rubiaceae > Thamnoldenlandia
Publication: Botanical Journal of the Linnean Society 163(4): 458–461, fig. 3I–L, 4G–I, 5C, 7, 8. 2010.
IUCN Red List: ENB1ab(i,ii,iii,iv,v)+B2ab(i,ii,iii ,iv,v) ver 3.1
Year published: 2023
GE Score
EDGE Score
5.2890
3
ED Score
Belongs to the monotypic genus; Subfamily: Rubioideae; Tribe: Spermacoceae.
Much-branched shrub up to 1.5 m tall; stems woody. Leaves decussate, sessile, simple. Inflorescences terminal or pseudoaxillary on lateral branchlets, one- to two-flowered. Capsules broadly obovate to transversely broadly obovate. Seeds numerous, elliptic; wing present.Thamnoldenlandia differs from the genera of Spermacoceae in Madagascar by its medium-sized shrub with winged seeds.
Phylogenetically, this genus is related to Amphistemon (Groeninckx & al., 2010).
Flowering time: February-March
Population: 3 subpopulations
Lower elevation limit: 150 metres
Fruiting time: February-March
Trends:
Upper elevation limit: 190 metres