Selaginella (Selaginella wallacei) also known as spikemosses or lesser clubmosses, are creeping plants with aerial roots.


Selaginella (Selaginella wallacei) also known as spikemosses or lesser clubmosses, are creeping or ascendant plants with simple, scale-like leaves (microphylls) on branching stems from which aerial roots also arise. The plants have spores of two different size classes, known as megaspores and microspores. Under dry conditions, some species of Selaginella can survive dehydration. In this state, they may roll up into brown balls and be uprooted, but can rehydrate under moist conditions, become green again and resume growth. This phenomenon is known as poikilohydry.


Size: 3598px × 2394px
Location: Finca Luna Nueva, San Isidro de Penas Blancas, La Fortuuna, Alajuela, Pocosol, Chachagua, Costa Rica
Photo credit: © Kim Hammar / Alamy / Afripics
License: Royalty Free
Model Released: No

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