I. coccinea

A. obtusifolia A. philippinensis A. speciosa A. splendens A. wallichi Convolvulus tricolor Ipomoea amnicoLt I. argilticola I. argjfrophyUa I. asarijhlia I. camea I. coccinea I. crassicaulis ... 

I. neei turned out to be sister to the species of the miiialobiiie clade . The molecular topology allows the hypothesis that the ability to synthesize minalob-ines evolved only once within sect. Mina, in the putative ancestor of I. lobata, I. cristulata, I. sloteri (minalobine-positive species) and I. coccinea, but that in the latter the synthesis pathway was either lost again or only very small, undetectable amounts are synthesized. As I. coccinea is one of the parental species of the hybrid I. X multifida (Raf.) Skinners from which the aUotetraploid species /. sloteri arose (Eckenwalder 1986), the minalobine pathway must in principle be present in this species under this hypothesis, because the other parental species, I. quamoclit, is not part of this minalobine clade . 

I. coccinea L. (syn. Groger 1963 Perez-Araador Beyerman et al. 1963 Predominantly more convincing negative... 

Wilkinson, R.E., Hardcastle, W.E. and McCotmic, C.S. (1987) Seed ergot alkaloid contents of Ipomea hederifolia, 1. quamocit, I coccinea and I. wrightii.J. Set. Food Agric., 39, 335-339. 

Imbricatine. C24H26N4O7S, Mr 514.55, a benzyl(tet-rahydro)isoquinoline and imidazole alkaloid from the starfish Dermasterias imbricata. I. is as yet the only alkaloid of this class that does not originate from a plant source. I. induces an escape reaction in the sea anemone Stomphia coccinea when it comes into contact with the starfish. I. has cytotoxic activity against leukemia cell lines. 

Cmelik, S. Prilog Poznavanju Kemijskog Sastava Gljiva Sarcoscypha coccinea i Poly stigma rubrum. Arch. Kem. Jugoslav. 19, 63 (1947). 

---