Results 81 to 90 of about 462 (100)
The Tree Fern Highland Lace is a Cultivar of Sphaeropteris cooperi
American Fern Journal, 2012 Abstract The tree fern Highland Lace had an unusual introduction into cultivation almost thirty years ago in Eastern Australia and was initially identified as Sphaeropteris tomentosissima (Copel.) R.M.Tryon. Since then, it has been introduced to Europe and the US, and it remains a popular tree fern found in both public and private collections.
Daniel G. Yansura, Barbara J. Hoshizaki
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Anatomical Studies of Sphaeropteris and Cnemidaria (Cyatheaceae)
American Fern Journal, 1985 Tryon (1970) revised the classification of the family Cyatheaceae and recognized six genera and three principal evolutionary lines among the squamate genera. Sphaeropteris with its undifferentiated (conform) scales represents an evolutionary line and occurs at the base of the squamate genera, while Cnemidaria with its marginate scales is found at the ...
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American Journal of Botany, 1976
Scanning electron microscopy and transmitted light microscopy are used in a palynological study of Lophosoria, Metaxya, Sphaeropteris, Alsophila, and Nephelea of the tree fern family Cyatheaceae. The monotypic American genera Lophosoria and Metaxya each have a unique spore morphology which reinforces the taxonomic distinctness of these genera as ...
Gerald J. Gastony, Rolla M. Tryon
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Scanning electron microscopy and transmitted light microscopy are used in a palynological study of Lophosoria, Metaxya, Sphaeropteris, Alsophila, and Nephelea of the tree fern family Cyatheaceae. The monotypic American genera Lophosoria and Metaxya each have a unique spore morphology which reinforces the taxonomic distinctness of these genera as ...
Gerald J. Gastony, Rolla M. Tryon
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Ontogeny of the Sporangia of Sphaeropteris cooperi
American Fern Journal, 1999 -The ontogeny of the sporangia of Sphaeropteris cooperi was studied using cleared whole mounts of sporangia in different stages as well as sori embedded in paraffin and sectioned. The sporangia develop from a single superficial primordial cell that becomes divided into five initials or "segments." Segment 0, located at the level of the surface ...
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Morphology and ultrastructure of Sphaeropteris spores (Cyatheaceae) from the Neotropics
Review of Palaeobotany and Palynology, 2018Abstract Spores of species of Sphaeropteris genus from America were studied with TEM and SEM. Six species were quoted as growing in America (cf. Tryon, 1971; Windisch, 1977): Sphaeropteris brunei (Christ) Tryon, Sphaeropteris cuatrecasacansii Tryon, Sphaeropteris gardneri (Hook.) Tryon, Sphaeropteris horrida (Liebm.) Tryon, Sphaeropteris insignis (D.
Gonzalo Javier Márquez
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Morphology of Gametophytes and Young Sporophytes of Sphaeropteris lepifera
American Fern Journal, 2000 -Sphaeropteris lepifera is one of the largest tree ferns in Taiwan. On average, it produces 50.7 sporangia per sorus, and 64 spores per sporangium. Spore germination, after 2 years of storage at 4?C was over 95%. The pattern of spore germination was "Cyathea-type", and the gametophytes exhibited mainly Drynaria-type development with occasional Adiantum-
Yao-Moan Huang +2 more
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One or more species? GBS sequencing and morphological traits evidence reveal species diversification of <i>Sphaeropteris brunoniana</i> in China [PDF]
Biodiversity Science, 2019 null Morigengaowa +4 more
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Annals of the Missouri Botanical Garden, 1979 Two previously unidentified palynomorphs are common in Upper Tertiary deposits in the southern Gulf-Caribbean region. One is now identified as pollen of Mortoniodendron (Tiliaceae; Upper Miocene of Veracruz, Mexico, Middle Miocene of Panama, Pleistocene of Panama). The other represents spores of Sphaeropteris/Trichipteris (Cyatheaceae; Upper Miocene of
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Risk Analysis of Sphaeropteris cooperi for South Africa
2021SANBI (unpublished) Risk Analysis of Sphaeropteris cooperi (F. Muell.) R.M. Tryon for South Africa as per the risk analysis for alien taxa framework v1.1, approved by the South African Alien Species Risk Analysis Review Panel on in October 2018, pp 15, http://dx.doi.org/10.5281/zenodo.5027595.
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