Pollen and Spore Atlas

Pteris deflexa PTERIDACEAE

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equatorial view
equatorial view
polar view
polar view
surface pattern
surface pattern
wall view
wall view
aperture view
aperture view
unique feature
unique feature


Pollen / Spore Morphologic Type(s) Surface Pattern(s) Equatorial Size Polar Size Equatorial Shape(s)
min max mean min max mean
spore trichotomosulcate,
reticulate 50.0 50.0 triangular

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Ecology and Geography

Plant Type Floristic Region(s) Habit Terrestrial(s)
fern India (tropical),
China (tropical),
Maritime Southeast Asia,
Australia (tropical),
West Pacific,
East Pacific Islands,
New Zealand and Islands (south),
Other outside Australasia

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Vegetation Community(-ties) open woodland and/or savannah
Common Name Thickleaf brake
Habitat Notes P. deflexa found primarily in South America in the Andes Mountains and Brazil. Tropical and sub-tropical environments that grow in dry habitats and on cliff faces. Pteris spp has more than 250 species found in Tropical America, Asia,India, China, Japa, West Indies, Southern Africa, Australia, New Zealand and Europe. Noted in the fossil record of the KAO3 core of Rano Kao, Rapa Nui (Easter Island) (Gossen, 2010)
Herbarium Link:


Leon and Young

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Collection Site Dept. San Martin
Collection Country Peru
Collection Date 1980-01-01
Preparation Method Cor, KOH, acet, saf
Slide Medium silicon
Preparation Date 2007-12-14
Microscopic Instrument LEICA DMLB #188768
Collection Notes Processed at the Pollen Laboratory, University of Minnesota, USA from the collecton of Ed Cushing, slide ref. B2954.