Utricularia amethystina
A small terrestrial bladderwort of wet sand and clay in open savannas, campo rupestre and coastal restinga across northern and eastern South America. It forms rosettes of spatulate leaves with tiny traps on underground stolons and rhizoids, and its flowers are famously variable, from lilac with a yellow spot to white, blue, cream or yellow. Grow it in full sun on permanently wet, sandy, nutrient-poor media.
Where it grows wild
Open, sunny places with water-soaked sandy or clay soil: seepages and wet savanna, campo rupestre on rocky uplands, and restinga on coastal sands. Brazilian specimen notes describe rosettes on waterlogged sandy soil in cerrado and plants in cracks of metamorphic rock near waterfalls. It is a small to medium herb, often treated as annual, with inflorescences 3–40 cm tall.
A recent taxonomic revision gives 60–1,800 m; specimens from Serra da Canastra in Minas Gerais were collected at about 800 m.
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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its CC BY-SA 2.5 licence, unmodified.