{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

SeedPlants213-page5 - • Pollen produced in a...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Seed-Dispersing Plants - 5 Progymnospermophyta – The Fossil Seed Plants Pteridospermales – Fossil Seed Ferns Cordaitales – Primitive Conifer-like Bennettitales – Fossil Cycadeoides Several groups have been reconstructed from fossil data Important as the probable progenitors of today's seed plants Often with fern-like fronds Produced seeds on modified leaves called sporophylls
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: • Pollen produced in a synagium (similar to the sporangium of a fern without an annulus) Seed Fern Reconstruction Fossil Seed Fern Cordaites branch (Primitive Conifer-like) Reconstruction of Weilandiella (Bennettiales) Reconstruction of Archeaopteris, a progymnosperm (Archeaopteris lacked seeds)...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online