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Fig. 4 | Botanical Studies

Fig. 4

From: Micro-morphological study of Evolvulus spp. (Convolvulaceae): the old world medicinal plants

Fig. 4

Seed morphology from SEM. Glabrous and ovoid shaped seed of E. alsinoides (a) from Petchaburi, broadly ellipsoid seed with glabrous surface in E. nummularius (b), close up of E. alsinoides (c) from Khon Kaen, seed testa showing undulate anticlinal boundaries (yellow arrows) and folded periclinal cell wall (red arrows). Evolvulus nummularius (d) displayed undulate anticlinal boundaries with flat to concave periclinal cell wall

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