Abstract
The order Podostemales is represented by the family Podostemaceae which shows several important features: (1) binucleate glandular tapetum, (2) pollen grains in pairs in some members, (3) anatropous, bitegmic, tenuinucellate ovules, (4) formation of pseudo-embryo sac, (5) Apinagia, Dicraea, and Podostemum type (bisporic) of development of female gametophyte, (6) absence of triple fusion and, consequently, absence of endosperm, (7) Solanad type of embryogeny, (8) development of haustoria from the binucleate, basal cell of suspensor, and (9) tegmic seed.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
Author information
Authors and Affiliations
Rights and permissions
Copyright information
© 1992 Springer-Verlag Berlin Heidelberg
About this chapter
Cite this chapter
Johri, B.M., Ambegaokar, K.B., Srivastava, P.S. (1992). Podostemales. In: Comparative Embryology of Angiosperms. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-76395-3_28
Download citation
DOI: https://doi.org/10.1007/978-3-642-76395-3_28
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-76397-7
Online ISBN: 978-3-642-76395-3
eBook Packages: Springer Book Archive