Lobelia deckenii

Lobelia deckenii is a species of flowering plant in the family Campanulaceae. It is a giant lobelia endemic to the mountains of Tanzania. It is listed as a threatened plant of the forests of Cherangani hills, Kenya. It grows in moist areas, such as valley bottoms and moorland, in contrast to Lobelia telekii which grows in a similar but drier habitat. These two species produce occasional hybrids. Lobelia deckenii plants usually produce multiple rosettes. Each rosette grows for several decades, produces a single large inflorescence and hundreds of thousands of seeds, then dies. This is called monocarpy. Because individual plants have multiple rosettes, they survive to reproduce repeatedly, and plants with more rosettes flower more frequently. Each rosette of yucca-like leaves with its inflorescence can reach a maximum height of 3.7 m (12 ft). The flowers are pollinated by sunbirds (Nectariniidae). It is iteroparous. Lobelia deckenii plants usually form between one and eighteen rosettes w......read more on Wikipedia.