Sanchezia oblonga aka Brilliant Flowered Sanchezia

Sanchezia oblonga is a shrub. It belongs to the plant family called Acanthaceae. Kew says it grows wild in tropical South America. Its home range starts in the southeast of Colombia. It reaches the northwest of Bolivia and the north of Brazil. These places form the native range that Kew gives. Kew also lists it as a plant of the wet tropics. This tells us about its wild home, not its garden care.

The Royal Horticultural Society accepts the name Sanchezia oblonga. It lists Sanchezia nobilis Hook.f. as another name for this plant. This other name is a synonym, not a separate plant in that entry. The Society gives tropical America as the plant’s home range. Its entry also states that the species is not native to Britain. The same is true of Ireland. Those records describe its origin, but do not set out its care needs.

The sources give few facts about the shrub’s shape. They do not say how tall a full-grown plant gets. Nor do they say how wide it grows. They give no account of its bark or stems. They do not describe its leaves, flowers or fruit either. These gaps leave no basis for a fuller account of its looks. The sources name the shrub, but leave these traits undescribed.

The record of its wet, tropical home has limits. It does not tell us how much water to give in gardens. Nor does it tell us how much cold this shrub can stand. The detailed garden text here concerns Sanchezia speciosa. It does not name Sanchezia oblonga as its subject. Its facts about form and care thus do not apply to this entry. They cannot fill the gaps in this plant’s record.

The evidence does not set out uses for Sanchezia oblonga in gardens or landscapes. It does not name pests or diseases for this species. Nor does it show which parts, if any, people can eat. It gives no basis for claims that the plant is toxic. It also gives no basis for calling it safe. The lack of such facts does not settle either question.