#ostrya

[theearlofmelancholy]

[hitthebreeze]

[rock-cedar-mosquito]

Ostrya virginiana, ironwood, eastern hop hornbeam. It would be my favourite tree, if I didn't have so many favourites that I've given up trying to choose.

[nightbunnysong]

What I studied today!

13.08.2024

Beech Forests: Overview

Beech Forests

Beech forests, or Fagetum sylvaticae, are temperate forest formations found from the basal to the montane zones. These forests are often managed for timber and can extend from the hilly to the upper montane zones, sometimes reaching the tree line.

Structure

Tree Layer: Dominated by phanerophytes, particularly beech (Fagus sylvatica).

Shrub Layer: Also composed of phanerophytes like rowan (Sorbus aucuparia) and cornel (Cornus mas).

Herb Layer: Includes hemicryptophytes and geophytes, such as cyclamen (Cyclamen spp.) and violets (Viola spp.).

Moss Layer: Features mosses like Hylocomium splendens and Pleurozium schreberi.

Ecological Disturbances

Forestry: Intensive logging and management can alter forest structure and biodiversity.

Infrastructure: Roads and trails can fragment habitats and introduce invasive species.

Alien Species: Non-native plants and animals can disrupt ecological balance.

Beech Forest Types in Italy

High-Montane Beech Forests: Found at elevations above 1,500 meters.

Montane Beech Forests: Located between 1,000 and 1,500 meters.

Sub-Montane Beech Forests: Situated between 600 and 1,000 meters.

Climax Subnatural Vegetations: Naturally developed beech forests without direct human intervention.

Syntaxonomy

Class: Quercus robur - Fagetum sylvaticae Includes mesophilic and thermophilic forest vegetation in temperate macrobioclimates, extending to Mediterranean zones.

Suballiance: Ostryo carpinifoliae - Fagenion

Description: Submontane beech forests dominated by Fagus sylvatica and Ostrya carpinifolia, found in calcareous and primitive soils.

Distribution: Southeastern Europe and Prealpine regions of Italy (Lombardy, Veneto, Friuli Venezia Giulia).

Ecological Characteristics:

Tree Layer: Diverse with deciduous trees.

Shrub Layer: Less developed, marking the limit for lianose plants.

Herb Layer: Rich with hemicryptophytes and geophytes, supporting species of thermophilic woods.

Geoelements: Includes Central European, Euroasiatic, circumboreal, Mediterranean montane, and Illyrian components.

Climate: Prealpine with abundant rainfall from spring to autumn.

Bioclimate: Mesotemperate, ranging from subhumid to hyperhumid.

Substrates: Calcareous morainic soils and fyscioid soils with subacidic or neutral pH, fertile and well-structured, with mull calcic and forest humus.

[i-eat-worlds]

oooo when you say ironwood are you talking about hop hornbeam (Ostrya virginiana) or musclewood (Carpinus caroliniana)

(musclewood looks nothing like a hop hornbeam I just always mix the two up because of they share ironwood as a common name)

I never knew that!

I was referring to Carpinus caroliniana, my smoothed barked beauty

[mbsposts]

20230626 Spoon River Rest Area -I74 Illinois

HORNBEAM Ostrya

[leedsomics]

Comparative transcriptomics reveals divergence in pathogen response gene families amongst twenty forest tree species

Forest trees provide critical ecosystem services for humanity that are under threat due to ongoing global change. Measuring and characterizing genetic diversity is key to understanding adaptive potential and developing strategies to mitigate negative consequences arising from climate change. In the area of forest genetic diversity, genetic divergence caused by large-scale changes at the chromosomal level have been largely understudied. In this study, we used the RNA-seq data of twenty co-occurring forest trees species from genera including Acer, Alnus, Amelanchier, Betula, Cornus, Corylus, Dirca, Fraxinus, Ostrya, Populus, Prunus, Quercus, Ribes, Tilia, and Ulmus sampled from Upper Peninsula of Michigan. These data were used to infer the origin and maintenance of gene family variation, species divergence time, as well as gene family expansion and contraction. We identified a signal of common whole genome duplication events shared by core eudicots, and a signal of recent duplication events specific to particular species. We also found rapid evolution, namely fast expansion or fast contraction of gene families, in plant-pathogen interaction genes amongst the diploid species studied. Finally, the results lay the foundation for further research on the genetic diversity and adaptive capacity of forest trees, which will inform forest management and conservation policies. http://dlvr.it/SkXsqD

[corkgrips]

[continent-of-wild-endeavor]

One of these days I'm gonna figure out what's going on with these odd growths. Mostly I see them in hop hornbeams (Ostrya virginiana) and I've been calling them witch's brooms, but that may be something else.

[wildflowers-of-southern-ontario]

Eastern Hop-Hornbeam Ostrya virginiana Betulaceae

Photograph taken on October 10, 2021, along the Etobicoke Creek, Mississauga, Ontario, Canada.

[jillraggett]

Plant of the Day

Monday 12 April 2021

The branches Ostrya carpinifolia (hop hornbeam) were covered with the long male catkins and once I looked carefully there were the small female flowers, once fertilised the latter turn into fruit resembling a hop. This deciduous tree grows well in a warm and sheltered site in most soil types.

Jill Raggett

[alexblouinmtl]

Denali Parka by Ostrya Equipment, made in Montreal, 2021 shot by me

[padawan-rattail]

oc doodles

[orangetruckercap]

Ostrya

[calosoma-amitch]

Imperial moth (Eacles imperialis). Caterpillar Newark DE, August 2017. Adult from July 2017. 

Caterpillars in this species vary in color--in fact, there are two distinct color morphs that can be found in the eastern US. The “light” morph is shown above, and varies between pale green to forest green. The “dark” morph (pics soon!) ranges from orange to chocolate. Both morphs have orange horns and white spiracles on the side.

The color morphs don’t seem to relate to its diet; that is, “dark” morphs don’t only feed on pine, nor does feeding on pine turn a caterpillar “dark”. Caterpillars feed on a variety of hardwood trees, as well as conifers, in the eastern US. The “light” morph above was found feeding on chestnut oak (Quercus montana). I currently have a “dark morph” population feeding on eastern white pine (Pinus strobus), and another feeding on hop hornbeam (Ostrya virginiana). 

One generation in the eastern US, with adults by mid-summer, and eggs into August. Caterpillars overwinter as pupae in the soil.

[sarahtoscano-blog]

Ostrya carpinifolia 🌳 #ostryacarpinifolia #canalemonterano #carpinomero #wildadventures #wild #wildlife #ostrya #allumiere #bestadventure #GoPro #tolfa #universitylife #italy #pic #bestpicture #biologist #colors #nature #naturephotography #naturelovers #tree #sun #summer #spring #adventure #travelphotography #besttravelpics #bestpicoftheday #picoftheday #naturephoto (presso Canale Monterano)