a. S-type with starch grains of different size (typical for most dicots: Asperula.) b. P(II)-type of monocots with wedge-shaped protein crystals: Corydalis, c. P(III) type of the Caryophyllales (= Centrospermae) with protein filaments arranged in a ring: Althernanthera (H. - D. BEHNKE, 1981)

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