Botany online 1996-2004. No further update, only historical document of botanical science!

Sieve-element Plastids in Flowering Plants

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)

© Peter v. Sengbusch - Impressum