Platanus L.

Leaves, twigs, and inflorescences densely invested with dendritic trichomes, at least when young; fragrance sometimes reminiscent of balsam poplars. Staminate flowers: sepals and petals 3-6+, petals nearly obsolete; pistillodes sometimes present; stamens as many as and opposite sepals, much exceeding tiny perianth, anthers subsessile, 4-sporangiate; dehiscence latrorse, the connective distally expanded into terminal, pubescent, peltate appendage. Pistillate flowers: sepals 3-4, petals absent; staminodes 3-4, prominent, club-shaped, tomentose; pistils 3-9, free; ovules 1(-2), pendulous, orthotropous; stigma 1, dark red, much elongate, conspicuous. Achenes falling with ring of subtending hairs attached.

Extensively cultivated as street and park trees.