October 3, 1981 Colombia, Cundinamarca. Sw of Bogota 1 Km Nw of the represa de Moña on the road to El Colegio. Steep slopes Sw of the road overlooking the Rio Bogota Dry rocky slopes with hard clay like soil scrubby brush, brambles. Rubus, Passiflora, Loranthaceae shrubs etc. 5255 Boussingaultia ① 4 Vine climbing over brush, to 4+ meters long. Inflorescence dense, much branched. Flowers cream colored - not expanding fully, becoming true nut at yellow-orange, then black when fruit is mature. QCA. Flower adhering around mature fruit. Fruit falling early above the 2 podicellar bracts. Flowers yellowish-orange in bud. Observed visited by many small flies. Stems red or reddish, leaves, especially the larger cordate, the younger leaves not obviously cordate leaves reddish, the margins red, very fleshy and mucilaginous. Stems turning dectrostly about twigs. Perianth segments not keeled. Stamens reflexed, anthers withering or falling quite early, stigma capitate not divided scarcely lobed but more or less triangular, not producing tubers at the bases. Sending up new shoots above ground from near the base base of stem very fleshy, with a brown papery outer layer. Leaves 2 foli. Seedling seen.