Interaction between Bees and the Tristylous Flowers of Oxalis cytisoides Mart. & Zucc. (Oxalidaceae)

Figure 2

Oxalis cytisoides. (a) Plant habit. (b) Flower and buds. (c)–(e): Stamens and pistils from L (c), M (d), and S (e) morphs. Photo scales (c)–(e) = 5 mm.