Bidens micrantha facts for kids
Quick facts for kidsBidens micrantha
Bidens micrantha is a species of flowering plant in the aster family known by the common name grassland beggarticks. It is endemic to the Hawaiian Islands, where it and other Bidens species are known as kōʻokoʻolau. It occurs in many types of habitat on Lānaʻi, Maui, and Hawaiʻi, including rocky cliffs, dry forests, mesic forests, wet forests, and high shrublands.
- B. m. ssp. micrantha (Maui)
- B. m. ssp. ctenophylla (Sherff) Ganders & Nagata (leeward Hualālai on Hawaiʻi)
- B. m. ssp. kalealaha Ganders & Nagata (Lānaʻi and West Maui)
While B. m. ssp. micrantha is considered secure, B. m. ssp. ctenophylla is uncommon and vulnerable and B. m. ssp. kalealaha is rare and federally listed as an endangered species. This is a shrub forming clumps of herbage up to several feet tall. It bears plentiful flower heads with yellow ray florets. It is grown as an ornamental plant and groundcover in Hawaii.
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