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#dendrology7,849 POSTS

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User Image knittingsmything Posted: Jan 19, 2018 3:15 AM (UTC)

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Help needed!! 🤔🌿
If you are a dendrologist, horticulturist, botanist,
professional or hobby gardener, nursery owner..
Can you tell me what these two trees are?!
Much appreciated!!!😍🌿
#gumtree #identification #treeknowledge #leaf #tree #hortoculture #botanical #dendrology #gardening #australia #victoria #green #foliage #nofilter
User Image the_study_of_trees Posted: Jan 18, 2018 10:25 PM (UTC)
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Horse chestnut (Aesculus hippocastanum). This beauty has big, sticky buds in opposite arrangement on the twig. Red buckeye has similar looking buds but they are not sticky. The twigs are stout with large D shaped leaf scars. Mature bark has irregular grey scales. Watch for this tree in mid spring because its flowers are beautiful! .
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#thestudyoftrees #dendrology #treeidentification #nyctrees #trees #prospectpark #nature
User Image dakotasmithvlogs Posted: Jan 18, 2018 8:57 PM (UTC)

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Tour of #Latourell #watershed, going from edge to edge ending near Hanes road. Slight changes in silvicultural features but overall, fairly uniform species- douglasfir, a few cedars, red alder, devil's club in high drainage areas, mostly basalt with iron oxides, and a large amount of Himalaya blackberry. Photos are mine, contact for licensing.

#forestry #explore #pnw #mhcc #devilsclub #topography #map #oregon #silviculture #igoregon #ignature #geology #dendrology #hydrology #drainage
Tom from the forestry team inspecting the #cedaroflebanon this morning, we lost three big boughs off it last night , Snow is always a worry for these ancient specimens but coupled with high winds the results are devastating #arboretum #dendrology #specimentree #snowfallingoncedars #englishpark #countrylife #parkland #englishcountrygarden
User Image uttershutter Posted: Jan 18, 2018 12:12 PM (UTC)

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A perfect gift for a dendrologist. (People who study trees - and yes, I did just Google that 😂) 🌲🌳🌿
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#trees #nature #dendrology #arborist #silverjewellery #necklace #etsygifts #lovetrees #madeinsurrey #uniquejewellery #woodland #woodlandwedding #inspiredbynature
User Image nathandearle Posted: Jan 17, 2018 11:05 PM (UTC)

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willow pine cone gall. Home to willow (Salix spp.) trees (note the oppressed, duck bill buds), the inside of this structure encases a gall gnat midge (Rabdophaga strobiloides) larva. It appears as though parasites may have invaded, and consumed the inner larva (Bebeau, G.D. 2015). However, it is possible the insect metamorphosed while being indoors overnight. Perhaps the warm inside temperature triggered its transformation. #entomology #wintergalls #willowpineconegall #dendrology #overwintering #neature #northernontario #ontario #ontariowildlife #metamorphosis
User Image marina_landscape Posted: Jan 17, 2018 9:32 PM (UTC)

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Не можливо виділити якусь одну пору року, як улюблену! Матінка природа наділила кожну неймовірною красою та енергією . Нам дуже повезло , що ми є частиною цього величезного прекрасного світу. Варто частіше звертати на нього увагу, тоді деякі з наших негод та проблем не здаватимуться такими вже і величезними! Всьому свій час...🌬
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#marina_landscape #wintermood #livethelittlethings #life #landscape #architecture #river #dendrology #inspiration #work #thinking #words #timeforawalk #spiritoftree #landscape #architecture #work #timeforinspiration #inspiration #minimalism #design #mylife❤️ #mystyle #lovemyjob #myhobby #2018 #instagram #lanscapedesign #landscapestyles #aftersunset #thingaboutwork
User Image pottery_and_perfume Posted: Jan 17, 2018 6:44 PM (UTC)

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From a picture I took today on my walk, the inside of a rotted tree looks like an abstract painting of a landscape when turned on its side. (Squint if you don’t see it!) I see a mesa and a river, with a horizon and blanket of clouds in the distance. The blue and yellow ribbons are wood fungus I think.

#dendrology #botany #trees #nature #naturesart
User Image parsley_worm Posted: Jan 17, 2018 4:44 PM (UTC)

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Didn't realize how well I could see the crown of this #loblolly from my house (doesn't show up as well in the video as I'd like, but hopefully you can still sorta see that beautiful shape + how the upper branches are loaded down with cones). I feel like I'm in a snowglobe today.
#❄ #snow #loblollypine #dendrology #pine #botany #inmygarden #pinustaeda #trees
User Image photoadventure65 Posted: Jan 17, 2018 11:44 AM (UTC)

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With the arctic blast that lasted 2 weeks coming to an end last week, I was able to get out hiking again. The ipswich river is a slice of heaven in topsfield Massachusetts . It is run by the Audubon society and is around 1900 acres in size. With the landscape so barren right now and full of snow , I see mostly in black and white . This is a lone tree in one of the several meadows found there #ipswichriverwildlifesanctuary#topsfield#massachusetts#audubonsociety#naturephotography#blackandwhite#iphonecamera#shutterbug#trees#dendrology#hiking#trekking#exploretheworld#wanderlust#travel#vision#easternmassachusetts#snowscapes#winter#boston
User Image the_study_of_trees Posted: Jan 16, 2018 10:10 PM (UTC)

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Limber pine (Pinus flexilis) also called the Rocky Mountain white pine. This species is very flexible, you can twist a limb without doing any harm. This flexibility is an adaption to mountain living, it allows the tree to have some give against strong gusts of wind. Its range is in the subalpine zone of the Rocky Mountains. It has five needles per fascicles and a cone with thick, woody scales ———————————————
Picture taken at Brooklyn Botanical Garden .
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#thestudyoftrees #dendrology #treeidentification #treeid #pine #limberpine #trees
User Image kaydubsthehikingscientist Posted: Jan 16, 2018 4:25 PM (UTC)

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I always tell my classes: Trees don’t have immune systems. They are only able to take care of sickness by utilizing “CODIT”. CODIT stands for Compartmentalization Of Decay In Trees. See all of these dark spots in this cross section of a hickory stem? Those are areas where a wound occurred to the stem and the tree “sacrificed” that area. It closes its own vessels and releases metabolites and hormones to the site of damage to kill the surrounding cells. Why? Because plant pathogens can enter into the tree through those wounds! However, pathogens need living tissue to cause disease. So by the tree walling off and compartmentalizing the wound site the potential for pathogens to travel to neighboring healthy cells greatly decreases. I love this sample because it always surprises my students when I tell them what caused the damage. Does anyone want to guess who or what caused these rings of CODIT? 😊 #codit #coditcreations #wood #woodscience #trees #ilovetrees #nature #naturegram #forest #forestry #science #hickory #carya #treerings #plantpathogens #science #scientist #femalescientisg #educator #dendrology
User Image nanna_nibbles Posted: Jan 16, 2018 12:26 PM (UTC)

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There’s a pitiful attempt at snow in South Yorkshire today. The place makes trees better than it makes snow it seems. #snow #trees #web #dendrology #nature #seasons #seasonalcycle #moresnowplease #lungsoftheearth #sky #yorkshire #beautiful
User Image the_study_of_trees Posted: Jan 15, 2018 8:19 PM (UTC)

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Cycadophyta is composed of primitive gymnosperms. They ruled during the Jurassic era and some still exist today. They evolved cones as a mean of seed dispersal, seeds could now be dispersed via wind. Not needing water for seed dispersal allowed for this group to colonize dry environments. They have a stout, woody trunk and a crown of thick, evergreen leafs. This group has survived a mass extinction event, respect. Isn’t evolution amazing? ————————————————————————
Photo taken at Brooklyn Botanical Garden
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#thestudyoftrees #dendrology #treeevolution #evolution #cycad #bbg
User Image casanovagoat Posted: Jan 15, 2018 8:06 PM (UTC)

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Pignut hickory nut husk, broken open by a determined squirrel. #hickorytree #dendrology

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