Embedded Files
Key Innovations:
Key Innovations:
Dominant sporophyte and reduced gametophyte
Dominant sporophyte and reduced gametophyte
dominant sporophyte
dominant sporophyte
cones that contain reduced gametophytes
cones that contain reduced gametophytes
Heterospory
Heterospory
male cones
male cones
young female cones
young female cones
maturing female cones
maturing female cones
Pollen
Pollen
males cones with pollen
males cones with pollen
Seeds
Seeds
Phylum Cycadophyta—Cycads
Phylum Cycadophyta—Cycads
female plants grow large cones that contain megaspores
female plants grow large cones that contain megaspores
Encephalartos transvenosus
Encephalartos transvenosus
receptive female cone
receptive female cone
mature female cone
mature female cone
male plants grow cones that contain microspores
male plants grow cones that contain microspores
These cycads growing at Ganna Walska Lotusland are known as the three bachelors, because they represent some of the few remaining of this species - and they are all males!
These cycads growing at Ganna Walska Lotusland are known as the three bachelors, because they represent some of the few remaining of this species - and they are all males!
male cone, or microstrobili
male cone, or microstrobili
microsporangia on a cone scale
microsporangia on a cone scale
~4cm
even the pollen is toxic!
even the pollen is toxic!
Phylum Ginkgophyta—Ginkgo biloba
Phylum Ginkgophyta—Ginkgo biloba
male tree
male tree
Ginkgo biloba
Ginkgo biloba
female seeds
female seeds
Ginkgo biloba
Ginkgo biloba
Phylum Gnetophyta—Gnetum, Welwitschia, and Ephedra
Phylum Gnetophyta—Gnetum, Welwitschia, and Ephedra
Gnetum
Gnetum
Welwitschia
Welwitschia
Ephedra
Ephedra
Welwitschia mirabilis
Welwitschia mirabilis
male cones
male cones
male cone
male cone
seed
seed
female cone
female cone
seedlings
seedlings
Ephedra
Ephedra
Ephedra tweediana
Ephedra tweediana
'fleshy' female cones
'fleshy' female cones
stems with reduced leaves
stems with reduced leaves
Phylum Coniferophyta—Conifers
Phylum Coniferophyta—Conifers
female cone
female cone
Pinus canariensis
Pinus canariensis
male cone
male cone
Pinus canariensis
Pinus canariensis
conifer tree with male & female cones
conifer tree with male & female cones
Picea pungens
Picea pungens
conifer tree
conifer tree
Araucaria bidwilli
Araucaria bidwilli
on campus between HSSB and Art department
female cone
female cone
Araucaria bidwilli
Araucaria bidwilli
~20cm
Page updated
Report abuse