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Osmundaceae (royal fern family) is a family of ferns containing four to six extant genera and 18–25 known species. It is the only living family of the order Osmundales in the class Polypodiopsida or in some classifications the only order in the class Osmundopsida.
Adiantum aethiopicum, also known as the common maidenhair fern, is a small fern of widespread distribution, occurring in Africa, Australia, Norfolk Island and New Zealand. [ 1 ] Adiantum aethiopicum was one of the many species first described by Linnaeus , in this case in his Systema naturae in 1759. [ 2 ]
NYT Mini Crossword Answers, Hints for Today, February 8, 2025. Larry Slawson. February 8, 2025 at 12:00 AM. The New York Times.
Also, moving from leaves to roots, e.g. of molecular signals in plants. bathyphyll A specialized leaf produced at the base of a plant, usually when the plant is immature, and which serves to anchor the plant to a substrate; especially notable in the fern Teratophyllum. Contrast acrophyll. beak
New leaves typically expand by the unrolling of a tight spiral called a crozier or fiddlehead into fronds. [9] This uncurling of the leaf is termed circinate vernation. Leaves are divided into two types: sporophylls and tropophylls. Sporophylls produce spores; tropophylls do not. Fern spores are borne in sporangia which are usually clustered to ...
Grevillea longifolia, commonly known as fern-leaf spider flower, [2] is a species of flowering plant in the family Proteaceae and is endemic to the Sydney Basin in New South Wales. It is an erect to spreading shrub with narrowly egg-shaped to almost linear leaves, and toothbrush-like groups of pinkish-fawn flowers with a pink to red style .
[4] [5] "Frond" is commonly used to identify a large, compound leaf, but if the term is used botanically to refer to the leaves of ferns and algae it may be applied to smaller and undivided leaves. Fronds have particular terms describing their components. Like all leaves, fronds usually have a stalk connecting them to the main stem.
Filicium decipiens, called the ferntree, fern tree or fern leaf tree, is a species of Filicium found in east Africa, Madagascar, India and Sri Lanka. It is planted as an ornamental tree in the Indian subcontinent, Indonesia, Hawaii, and elsewhere.