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Alsophila tricolor, synonym Cyathea dealbata, [1] commonly known as the silver fern [2] or silver tree-fern, [3] or as ponga / ˈ p ɒ ŋ ə / or punga / ˈ p ʌ ŋ ə / (from Māori kaponga or ponga), [note 1] is a species of medium-sized tree fern, endemic to New Zealand.
Alsophila is a genus of tree ferns in the family ... (syn. Cyathea hunsteiniana) Alsophila ... Alsophila dealbata has become a widely recognised symbol of ...
Cyathea is a genus of tree ferns, the type genus of the fern order Cyatheales. The genus name Cyathea is derived from the Greek kyatheion , meaning "little cup", and refers to the cup-shaped sori on the underside of the fronds.
Cyathea delgadii is a widespread species of tree fern. It is native to Central America ( Costa Rica , Nicaragua and Panama ), and much of South America ( Colombia , Guyana , Venezuela , Bolivia , Ecuador , Peru , Brazil , including Trindade , Argentina and Paraguay ). [ 1 ]
New Zealand has ten species of tree ferns, [2] but there are numerous ground, climbing and perching smaller ferns to be found throughout the countries forests, the largest of which is the king fern. [3] A black tree fern in the Auckland Domain. Silver fern or ponga, Cyathea dealbata; New Zealand tree fern, Dicksonia squarrosa
Silver fern (Cyathea dealbata) A species of medium-sized tree fern, endemic to New Zealand. Often referred to by its Māori name, ponga, the silver fern has been used to represent New Zealand since the 1880s. [10] National flower: Kōwhai (Sophora tetraptera) Evergreen tree, producing bright yellow flowers in spring.
The Cyatheaceae are a family of ferns, the scaly tree ferns, one of eight families in the order Cyatheales in the Pteridophyte Phylogeny Group classification of 2016 (PPG I). [1] Alternatively, the family may defined much more broadly (Cyatheaceae sensu lato ) as the only family in the Cyatheales, with the PPG I family treated as the subfamily ...
While the Cyatheales have been shown to be monophyletic through molecular analysis, no prominent morphological characteristics are common to the entire group. [4] Though loosely referred to as "tree ferns", most but not all members of the order possess the characteristic tree fern morphology: the rhizome is massive, woody, and rather than creeping horizontally below or on the ground, it stands ...