Boivinide A - IC50 of 0.17 -M against human ovarian carcinoma. One systematic screening of one species in one eastern rainforest site. Thousands of related species remain unscreened.
The Apocynaceae family is the most alkaloid-rich in Madagascar. This genus produces monoterpenoid indole alkaloids - the same structural class as vincristine - under sustained herbivore and pathogen pressure. The biosynthetic pathways are uncharacterised.
Vincristine and vinblastine - cornerstones of childhood leukaemia and Hodgkin lymphoma treatment. Tens of billions in lifetime revenue. The precedent that makes every other endemic Malagasy Apocynaceae commercially compelling. One of only 9 species with a full public genome.
15 metres tall. 300-500mm rainfall. Photosynthetic bark replaces leaf function during dry-season dormancy. CAM photosynthesis entirely non-redundant with Cactaceae - a genuinely novel engineering blueprint for climate-resilient sorghum and cowpea.
Six of eight baobab species are endemic to Madagascar. Trunk stores thousands of litres. Seed oil with high omega-9 fatty acid content. Bark phenolics with anti-infective potential. Drought-deciduousness gene timing - the precise trait agritech breeding programmes seek for seasonal resilience.
Harunganin - a xanthone with documented antibacterial and antimalarial activity. Chemical latex defence system producing anthraquinones unique to Madagascar populations. Priority class for anti-infective pipelines where antibiotic resistance is driving renewed natural product interest.
Member of Sarcolaenaceae - one of five plant families found exclusively in Madagascar. Every compound isolated is structurally novel by definition. 80+ million years of isolated evolution. Flavonoid and xanthone chemistry with no continental comparators. Novel by the very fact of its existence.
Roots into bare sandstone. No soil. Extreme drought. Full solar exposure. Still produces MIA alkaloids. The gene networks enabling this - caudex water storage, rock-fissure root architecture, drought-break signalling - are the engineering blueprints for the next generation of drought-resilient crops. They remain uncharacterised.
Stilt root aerenchyma enables gas exchange during full inundation. Stilbenoids and neolignanes in aerial roots. Pyrrole alkaloids absent from all Indo-Pacific relatives. Aerenchyma architecture genes directly applicable to rice and sorghum flooding tolerance - the number one climate adaptation target for tropical food security.
Sole species of an entirely endemic genus. Giant fan-shaped leaf array channels rainwater to a central stem reservoir - passive water-harvesting architecture found in no other plant. C-glycosylflavones absent from wider Strelitziaceae. Tolerates both seasonal waterlogging and drought within a single genome - the dual-stress profile agritech most urgently needs.