Jonas Frei @jdfrei Twitter profile | Pikagi

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Jonas Frei

@jdfrei

4,215

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naturalist. landscape architect. author. illustration & nature film. find me on IG @ j.d.frei

Switzerland

https://t.co/FJ2S0BUFqv

Joined December 2019

Don't wanna be here? Send us removal request.

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@jdfrei

Jonas Frei

1 year

Out now! The greatly expanded new edition of ‚Die Walnuss‘ - my monograph on the Juglandaceae. 60 mio years of natural and cultural history from the first nut fossils to the age of global trade. With portraits and photograps of all species and most hybrids. Written in German.

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@jdfrei

Jonas Frei

9 months

Maize. Corn in all its colors. A few varieties of Zea mays.

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Jonas Frei

10 months

Bean Biodiversity. Cultivars, mostly from the genus Phaseolus.

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Jonas Frei

1 year

Quercus. Acorns of a few oak species.

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Jonas Frei

11 months

The beauty of bean biodiversity. Cultivars of phaseolus and vigna.

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Jonas Frei

2 years

Pebbles.

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Jonas Frei

2 years

Quercus; acorn diversity from parks and gardens in the region.

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Jonas Frei

2 years

Botanic collectibles; Japanese Heartnut, Acorn, Paulownia Seedpod and Halesia Fruit.

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Jonas Frei

2 years

#Wings . Many woody plants are specialized for wind dispersal and have formed winged #fruits . The #wingnuts of the walnut family, the maples of the sapindaceae or ptelea from the citrus family. #botany #nature

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Jonas Frei

1 year

Papaver. Some more poppy seedpods.

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Jonas Frei

2 years

Kernels showing the diversity of walnuts (Juglans and Carya; Juglandaceae) from across the northern hemisphere

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Jonas Frei

2 years

Diversity of walnuts. (Juglans, Carya; Juglandaceae; more in my book on the topic.)

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Jonas Frei

10 months

Colorful corn (Zea mays) seeds from various cultivars, some of these are known as ‚glass gem corn‘. I must try to do some colorful popcorn next season. (The seed coat appears to retain the same color when it bursts open, the inside is white as with all maize varieties)

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Jonas Frei

1 year

#Papaver . #Biodiversity of #poppy seedpods. P. somniferum P. argemone P. rhoeas P. dubium P. orientale Meconopsis cambrica

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Jonas Frei

2 years

Nature morte

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Jonas Frei

9 months

Diversity of maize, corn. Zea mays, seeds of different varieties and cultivars.

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Jonas Frei

2 years

Botanical collectibles

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Jonas Frei

1 year

Vases? Poppy seedpods.

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Jonas Frei

2 years

#Corylus . Hazelnut-diversity. An excerpt from my collection of hazelnuts/fruits from Europe, Asia and North America

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Jonas Frei

2 years

#Quercus . Acorn diversity. Oak species from Asia, North America & Europe.

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Jonas Frei

2 years

Bladdernuts, chinquapins and butternuts.. #seedpods , #fruits and other botanical treasures.

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Jonas Frei

1 year

Vases? Seedpods! #papaver , #eucalyptus , #silene , #quercus cupule and other botanical finds.

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Jonas Frei

2 years

#Walnut halves; black walnuts, butternuts and #hickories from North America and Asia.

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Jonas Frei

1 year

mediterranean seedpods and dry grasses from the pathside

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Jonas Frei

2 years

Winter buds from the wayside.

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Jonas Frei

1 year

Medicago, Seedpods.

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Jonas Frei

2 years

#Cocos nucifera, #Banksias , Magnolia. - Seeds, Fruits & #Seedpods .

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Jonas Frei

2 years

Edible nuts native to 5 continents.

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Jonas Frei

10 months

Lima beans. Phaseolus lunatus.

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Jonas Frei

1 year

Seedpods and other botanical finds

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Jonas Frei

2 years

Assemblage with Hazelnuts, Lichen, a Sorbus leaf and Soybeans.

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Jonas Frei

2 years

#Hazelnut diversity. Most of #corylus the species and a few cultivars/hybrids from Asia, Europe and North America. #botany #filbert #dendrology

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Jonas Frei

2 years

Seeds. From my collections.

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Jonas Frei

2 years

Conifer cones, as well as some cone-like galls, alder cones, the seedpod of a Platycarya and a few Casuarinas.

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Jonas Frei

2 years

Larix decidua, European Larch. Female flowering cones.

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Jonas Frei

2 years

#Juglandaceae . #Walnuts and #hickories in a bowl of black walnut wood.

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Jonas Frei

1 year

Juglans, Quercus, Papaver and others

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Jonas Frei

1 year

Seedpods from the genus #Eucalyptus with over 600 species native to Australia and Indonesia.

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Jonas Frei

2 years

#Juglans & #Carya . #Walnuts and Hickorys: The diversity of edible nuts from the #Juglandaceae plant family.

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Jonas Frei

1 year

Conifer cones, a few cone like galls and seedpods of alnus, platycarya and casuarina

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Jonas Frei

2 years

#citrus is an amazing genus with only a few species but hundreds of crosses and #cultivars .

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Jonas Frei

2 years

#Seedpods . Aesculus, Carya, Ginkgo, Davidia.. ..and many more. #botany

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Jonas Frei

1 year

Collection of seedpods.

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Jonas Frei

7 months

A view into my reference collection of plant seeds with around 1000 species at the moment

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Jonas Frei

2 years

Seedpod of #Corylus colurna, the Turkish tree- #hazel .

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Jonas Frei

1 year

Seedpods from my collection. What other species would fit as ceramic inspiration?

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Jonas Frei

8 months

The three sisters, corn, bean & squash. The three crops of the Native American mixed cultivation that are anchored in the legend of the three sisters. Traditionally grown together in what we would call a regenerative agricultural system today.

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Jonas Frei

1 year

Acer, Maple. Dried fruits of diverse species from forests and parks/gardens.

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Jonas Frei

2 years

Beaked #hazel , black #walnut and Oak galls. #Botanical Finds from walks in parks and forests.

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Jonas Frei

1 year

#Acer . Samara showing the diversity and similarities of this genus of trees and shrubs.

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Jonas Frei

2 years

#Quercus , acorns from North America, Asia, Europe.

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Jonas Frei

10 months

Kernels showing the diversity of walnuts and hickories. From my monograph on Juglandaceae «Die Walnuss». On the 2nd picture you will find some species information.

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Jonas Frei

1 year

Botanic Wall. Datura, Allium, Gleditsia & many more.

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Jonas Frei

3 years

Walnut halves. Various nuts from the genera of #walnuts ( #juglans ) and #hickories ( #carya ).

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Jonas Frei

1 year

Pods of a beach radish. Raphanus raphanistrum

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Jonas Frei

1 year

Minerals in my collection

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Jonas Frei

11 months

These 5Mio+ year old fossil walnuts and hickories from Europe are very similar to modern relatives from North America. Before the Ice Age(s), several species of Juglandaceae were native to Europe and became extinct during the glaciation. Specimen from France and Germany.

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Jonas Frei

1 year

Quercus, Paulownia, Robinia & Euonymus

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Jonas Frei

2 years

#Epizoochory Fruits spread by large animals, a the group of plants in which the most fascinating fruit forms are found. #Harpagophytum (Africa), #Proboscidea (North America) #Ibicella (South America), #Martynia , (Central America), #Uncarina (Madagascar).

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Jonas Frei

2 years

#Seedpods & #Seeds . Butternut, Turkish tree hazel, koelreuteria, banksia, sweetgum, Oak gall.

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Jonas Frei

1 year

Hazelnut diversity. In preparation for my book 'Die Haselnuss' which will be published this month. Pre-order whereever books are available. Written in German. ISBN: 978-3-03902-181-9

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Jonas Frei

1 year

Papaver rhoeas; poppy seedpods

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Jonas Frei

1 year

Wild Calendula seeds

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Jonas Frei

1 year

Calendula officinalis, Common marigold Seed heads.

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Jonas Frei

1 year

Juglandaceae. Juglans & Carya, walnut halves

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Jonas Frei

1 year

Walnuts and Hickories.

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Jonas Frei

1 year

Mucuna and other tropical Fabaceae seeds.

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Jonas Frei

1 year

Codium algae found at the beach after a storm

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Jonas Frei

2 years

Walnut halves. Butternuts and black walnut species from Asia and North America. (Genus Juglans)

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Jonas Frei

1 year

Medicago, medick Seedpods from the pathside. M. littoralis, M. marina, M. arabica M. arborea & M. polymorpha.

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Jonas Frei

2 years

5+ million year old #walnut and hickory fossils ( #Juglans bergomensis & #Carya globosa and others) from the Rhine Valley in France. They went extinct with the ice ages. Similar species today occur in North America and East Asia.

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Jonas Frei

1 year

#Lupinus angustifolius #seedpods

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Jonas Frei

1 year

Juglans. #Walnut halves. A few species and Hybrids from Asia and North America.

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Jonas Frei

2 years

Hazelnut diversity. The genus Corylus is widespread throughout the northern hemisphere, from East Asia to Europe and North America. Many of the species shown are grown only regionally as nut crops.

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Jonas Frei

2 years

Viburnum lanata, wayfarer. Naked winter buds.

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Jonas Frei

11 months

Universe of legumes. Seed close ups of a few Fabaceae/ Leguminosae species from the genera Vicia, Phaseolus and Lupinus. Most of these are less than 3mm in diameter. Each microscopic photograph is stacked, scaled and digitally arranged.

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Jonas Frei

1 year

Seed heads of clovers from the maquis of the Catalan coastal areas. f.l. T. scabrum T. arvense T. stellatum T. angustifolium T. cherleri T. glomeratum

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Jonas Frei

2 years

Juglans x sinensis, Hybrid walnut; cross section.

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Jonas Frei

1 year

Winterbuds without bud scales. They are not common in our vegetation, but all the more fascinating in detail. The pictures show the opening leaves of Japanese heartnut, the Caucasus wingnut and the wayfarer

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Jonas Frei

1 year

The twisted samara of the admired and feared tree of heaven - Ailanthus

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Jonas Frei

2 years

#Argonauta . Paper nautili, like snails, belong to the mollusks, but are octopuses. Shells are formed only by the females as a container for the eggs. Pictured are Shells of A. argo from the Atlantic and A. hians from the Pacific.

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Jonas Frei

1 year

Die Walnuss. On 270 pages, all walnut species are portrayed in text an pictures (over 700 illustrations, graphics and photographs). The book is a natural and cultural history of 66 million years.

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Jonas Frei

1 year

The 2 nut books on the juglandaceae and the genus corylus released this summer. Arranged infront my ‚botanic wall‘

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Jonas Frei

10 months

Insects in baltic amber, frozen in tree resin 40 mio years ago.

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Jonas Frei

1 year

Corylus avellana. The first days of a hazel shrub, seedling and nut. Seedling of the red-leaved variety 'Fuscorubra'.

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Jonas Frei

1 year

"Die Haselnuss" is out now. A comprehensive portrait of the genus Corylus. The new monograph has 256 pages with about 600 photographs, illustrations and graphics. It presents all species of hazelnuts, which are widespread over the norther Hemisphere as well as many hybrids and

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Jonas Frei

1 year

Black walnut halves. #Juglans sect. Rhysocaryon. From the small J. microcarpa to J. major, J. californica, J. nigra and a few hybrids.

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Jonas Frei

1 year

Vitis vinifera. Last years #tendrils of a common grape vine. #botany

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Jonas Frei

1 year

Raphanus raphanistrum subsp. landra, Pods of a beach radish.

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Jonas Frei

4 years

Collection of #Juglans and #Carya species, hybrids and cultivars from central Europe. Most of them are collected in parks and plantations, a few are not hardy here and imported like J.neotropica, and J.pyriformis. #Juglandaceae

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Jonas Frei

2 years

Botanische Resilienz * Botanical resilience, over 6 months. (mehr in meinem Buch Stadtwildpflanzen:

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Jonas Frei

3 years

Stadtwildpflanzen. Es ist da! 350 Seiten, über 500 Fotografien, Herbarbelege und Skizzen. Das Buch zur Flora der Städte ist ab sofort erhältlich überall wo's Bücher gibt. Natürlich auch in meinem Webshop ()

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Jonas Frei

3 years

#Flora . Studies on #seedpods & other botanical finds. Magnolias, hazelnuts, butternut, amber tree and tulip tree. Find fine-art prints on my webshop.

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Jonas Frei

4 years

The amazing diversity of Juglandaceae: Cuts through walnut and hickory seeds. Photographs for my book «Die Walnuss».

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Jonas Frei

1 year

I need a bone marrow donation. Exactly a year after diagnosis, my leukaemia has come back and I will need a bone marrow transplant very soon. Thanks to all of you who are finding out about bone marrow donation and registering. And those that share the information with people

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Jonas Frei

1 year

After a few years of work my book «Die Haselnuss», a monograph on #hazels will be published in August/September and can be preordered now on my webpage and many bookshops. It covers all species of #corylus /filberts in detailed portraits. Written in German.

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Jonas Frei

3 years

#Juglans regia. #Walnut ; cutivars and natural varieties from the natural forests of Kyrgyzstan, Pakistan and India. Some of the wild forms have a woody shell down to the kernel. The nuts originate from a research project. #biodiversity #juglandaceae

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Jonas Frei

1 year

A beautiful article about my work by @Colossal

Flat-Lays of Halved Walnuts and Other Shells Study the Diversity of the Botanical Fruits — Colossal

Frei's studies have recently culminated in a book devoted to walnuts and hickories, which includes striking flat-lay photos.

www.thisiscolossal.com

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Jonas Frei

4 years

Two years of sketching plants on the roadside

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Jonas Frei

3 years

#Juglandaceae - #walnut family - #Leaves of all species and hybrids in moderate climate. Images from my book «Die Walnuss»

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