Jonas Frei
@jdfrei.bsky.social
đ¤ 219
đĽ 37
đ 30
Naturalist, landscape architect, author
Walnut cross-sections. Shell halves from various Juglandaceae species, genera Juglans & Carya. A cultivated variety of the persian walnut is shown in the third row, left. Right to it is a wild form of from the same species. From my reference collection for my book âDie Walnussâ (German).
about 2 months ago
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Conifers. Cones from the genera: Thuja, Thujopsis, Chamaecyparis, Pinus, Picea, Cypressus, Callitris, Taxodium, Tsuga, Cryptomeria, Calocedrus, Tetraclinis, Larix, Metasequoia
2 months ago
0
35
6
Quercus - Oak acorns Species shown: Q rubra Q petraea Q robur Q agrifolia Q coccifera Q coccinea Q palustrisâ¨Q ilex Q pubescens Q frainetto Q aucheri Q macrocarpa Q cerris Q faginea Q x hispanica Q x libanerris
3 months ago
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40
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Aegean pahtway finds.
3 months ago
3
88
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Medicago seedpods.
4 months ago
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23
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Peaches. Prunus persica cultivars including nectarines and some wild relatives like davidsâpeach P. davidiana, the rare fergana-peach P. ferganensis and hybrids to the almond; P. x amygdalopersica. Photographed with the help of the INRAE peach collection.
4 months ago
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75
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Stored life.
5 months ago
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10
1
Seedpods. Including some Australian natives like Eucalyptus, Casuarina, Brachychiton & Callistemon.
5 months ago
3
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Seedpods. Medicago, Eucalyptus, Silene, Quercus, Cistus, Papaver, Acacia, Casuarina
5 months ago
1
30
3
5-25 mio years old fossil nuts - European forests of that time were rich in genera: butternuts (Juglans), hickories (Carya), storax trees (Styrax), hazelnuts (Corylus) and mastic seeds (Mastixia). Most of these species later went extinct in Europe during the ice ages.
8 months ago
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46
5
Bean diversity. Mostly cultivars of Phaseolus vulgaris.
9 months ago
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Some australian seedpods; mostly casuarina and allocasuarina.
9 months ago
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Juglandaceae. Walnut cross-sections of various species; mostly Juglans, some Carya. From my book âDie Walnussâ
11 months ago
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Diversity of
#Almonds
. Wild species, cultivars, and a few hybrids. - Mandelvielfalt. Wildarten, Sorten und einige Kreuzungen.
#amygdalus
11 months ago
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Fabaceae seedpods & seeds
about 1 year ago
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Zea mays. Seeds of a few corn varieties.
about 2 years ago
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Colorful corn (Zea mays) seeds from various cultivars, some of these are known as âglass gem cornâ.
about 2 years ago
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109
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My two Monographs on the species, botany, history and culture of Walnuts and Hazelnuts. 'Die Walnuss' portrays the Juglandaceae, 'Die Haselnuss' the genus Corylus, the Hazels. Including detailed illustrations and species portraits of all species. Written in German, available wherever books are sold
about 2 years ago
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Insects in baltic amber, frozen in tree resin 40 mio years ago.
about 2 years ago
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Aristolochia clematitis seeds
about 2 years ago
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The beauty of bean biodiversity. Cultivars of phaseolus and vigna.
about 2 years ago
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Botanical collectibles
about 2 years ago
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Papaver. A few poppy seedpods. P. somniferum P. argemone P. rhoeas P. dubium Meconopsis cambrica
about 2 years ago
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Seedpods. Casuarina, Allocasuarina, Liquidambar and others.
about 2 years ago
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Vases? Poppy seedpods.
about 2 years ago
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18
2
Raphanus raphanistrum, pods of a beach radish.
about 2 years ago
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Quercus. Species diversity and similarity shown on some acorns.
about 2 years ago
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