quickly which is super unusual
it goes cotyledons -> 1 point true leaves -> 3 point -> 5 which is a lot of change very early. This pattern also seems inconsistent across individuals. Most plants simply go cotyledons -> true leaves without any dramatic shift beyond that. Some members of genuses
it goes cotyledons -> 1 point true leaves -> 3 point -> 5 which is a lot of change very early. This pattern also seems inconsistent across individuals. Most plants simply go cotyledons -> true leaves without any dramatic shift beyond that. Some members of genuses
November 2, 2026 at 3:22 PM
quickly which is super unusual
it goes cotyledons -> 1 point true leaves -> 3 point -> 5 which is a lot of change very early. This pattern also seems inconsistent across individuals. Most plants simply go cotyledons -> true leaves without any dramatic shift beyond that. Some members of genuses
it goes cotyledons -> 1 point true leaves -> 3 point -> 5 which is a lot of change very early. This pattern also seems inconsistent across individuals. Most plants simply go cotyledons -> true leaves without any dramatic shift beyond that. Some members of genuses
Editor's Choice Paper!🤩
@ryotachibana.bsky.social et al. dissect the #brassinosteroid signalling pathway that prevents harmful #chlorophyll precursors accumulating during de-etiolation, thus supporting cotyledon greening after darkness-to-light transitioning🌱
doi.org/10.1093/pcp/...
#PlantScience
@ryotachibana.bsky.social et al. dissect the #brassinosteroid signalling pathway that prevents harmful #chlorophyll precursors accumulating during de-etiolation, thus supporting cotyledon greening after darkness-to-light transitioning🌱
doi.org/10.1093/pcp/...
#PlantScience
November 2, 2026 at 5:54 PM
Editor's Choice Paper!🤩
@ryotachibana.bsky.social et al. dissect the #brassinosteroid signalling pathway that prevents harmful #chlorophyll precursors accumulating during de-etiolation, thus supporting cotyledon greening after darkness-to-light transitioning🌱
doi.org/10.1093/pcp/...
#PlantScience
@ryotachibana.bsky.social et al. dissect the #brassinosteroid signalling pathway that prevents harmful #chlorophyll precursors accumulating during de-etiolation, thus supporting cotyledon greening after darkness-to-light transitioning🌱
doi.org/10.1093/pcp/...
#PlantScience
Runner beans do have cotyledons like other beans, but they keep them secure below ground.
This gives them a little bit of resistance to late frosts, as they can regrow from an axillary bud found just above each cotyledon.
This gives them a little bit of resistance to late frosts, as they can regrow from an axillary bud found just above each cotyledon.
October 25, 2026 at 9:32 PM
Runner beans do have cotyledons like other beans, but they keep them secure below ground.
This gives them a little bit of resistance to late frosts, as they can regrow from an axillary bud found just above each cotyledon.
This gives them a little bit of resistance to late frosts, as they can regrow from an axillary bud found just above each cotyledon.
The larger seeds typical of this species, paired with the protected cotyledons, give them more ability to grow back from this damage as well.
At the end of the season, the vines are also a bit more frost resistant compared to common beans. A hard freeze will still kill them.
At the end of the season, the vines are also a bit more frost resistant compared to common beans. A hard freeze will still kill them.
October 25, 2026 at 9:32 PM
The larger seeds typical of this species, paired with the protected cotyledons, give them more ability to grow back from this damage as well.
At the end of the season, the vines are also a bit more frost resistant compared to common beans. A hard freeze will still kill them.
At the end of the season, the vines are also a bit more frost resistant compared to common beans. A hard freeze will still kill them.
Photo #1 will be the rocket (notched cotyledons that are folded in the seed).
October 24, 2026 at 7:35 AM
Photo #1 will be the rocket (notched cotyledons that are folded in the seed).
Identifying hybrids between the two species should be pretty easy at the seedling stage. I can plant a bunch of potential hybrid seed in pots, then only transplant actual hybrids to the garden.
I built this illustrative diagram from photos at permies.com/t/101517/Bea...
I built this illustrative diagram from photos at permies.com/t/101517/Bea...
October 25, 2026 at 9:32 PM
Identifying hybrids between the two species should be pretty easy at the seedling stage. I can plant a bunch of potential hybrid seed in pots, then only transplant actual hybrids to the garden.
I built this illustrative diagram from photos at permies.com/t/101517/Bea...
I built this illustrative diagram from photos at permies.com/t/101517/Bea...
microgreens are not just sprouts!
sprouts are before true leaves, just cotyledons. microgreens are similar but include the still tiny true leaves, just the first few sets.
they’re *almost* baby greens but not that big. but they have the same flavor punch, just with even less water so more intense.
sprouts are before true leaves, just cotyledons. microgreens are similar but include the still tiny true leaves, just the first few sets.
they’re *almost* baby greens but not that big. but they have the same flavor punch, just with even less water so more intense.
October 20, 2026 at 10:36 PM
microgreens are not just sprouts!
sprouts are before true leaves, just cotyledons. microgreens are similar but include the still tiny true leaves, just the first few sets.
they’re *almost* baby greens but not that big. but they have the same flavor punch, just with even less water so more intense.
sprouts are before true leaves, just cotyledons. microgreens are similar but include the still tiny true leaves, just the first few sets.
they’re *almost* baby greens but not that big. but they have the same flavor punch, just with even less water so more intense.
🔋What are the adaptive mechanisms of soybean cotyledons at the vegetative emergence (VE) stage under soil alkalization?
Read more https://bit.ly/4y9SSUT
Read more https://bit.ly/4y9SSUT
October 15, 2026 at 2:15 PM
🔋What are the adaptive mechanisms of soybean cotyledons at the vegetative emergence (VE) stage under soil alkalization?
Read more https://bit.ly/4y9SSUT
Read more https://bit.ly/4y9SSUT
Sad day today... Edie had her first calf, a little heifer, after a short labour but it was still born. The cotyledons were being born at the same time so the calf probably lost her vital blood supply from mum too soon.
I will leave the calf with her for a while so she gets a chance to understand...
I will leave the calf with her for a while so she gets a chance to understand...
October 12, 2026 at 11:25 PM
Sad day today... Edie had her first calf, a little heifer, after a short labour but it was still born. The cotyledons were being born at the same time so the calf probably lost her vital blood supply from mum too soon.
I will leave the calf with her for a while so she gets a chance to understand...
I will leave the calf with her for a while so she gets a chance to understand...
Phytomyza germenilicis now published in collaboration with @dan-h-n.bsky.social, Carina van Steenwinkel & Rens Hendrickx. Look out for its distinctive mines on Holly (Ilex) seedlings this winter. @dipteristsforum.bsky.social @panspecieslisting.bsky.social
www.researchgate.net/publication/...
www.researchgate.net/publication/...
October 11, 2026 at 10:50 AM
Phytomyza germenilicis now published in collaboration with @dan-h-n.bsky.social, Carina van Steenwinkel & Rens Hendrickx. Look out for its distinctive mines on Holly (Ilex) seedlings this winter. @dipteristsforum.bsky.social @panspecieslisting.bsky.social
www.researchgate.net/publication/...
www.researchgate.net/publication/...
This video explores the timing of hand pollination using a budded soursop flower, and showcases the incredibly rapid growth of cashew and their distinctively shaped cotyledons.
youtu.be/iiTvDzpfAR4?...
youtu.be/iiTvDzpfAR4?...
トゲバンレイシ落花、マンゴー伐採終了、爆伸のカシューナッツ soursop flowers fallen, cutting mango tree, cashew growing rapidly.
YouTube video by Vicky Polon
youtu.be
October 2, 2026 at 6:54 PM
This video explores the timing of hand pollination using a budded soursop flower, and showcases the incredibly rapid growth of cashew and their distinctively shaped cotyledons.
youtu.be/iiTvDzpfAR4?...
youtu.be/iiTvDzpfAR4?...
Look at this little B. rapa seedling with a flower bud. Slow down, enjoy life. Geez.
September 29, 2026 at 10:36 PM
Look at this little B. rapa seedling with a flower bud. Slow down, enjoy life. Geez.
3 cotyledons sprout
https://www.allforgardening.com/1942546/3-cotyledons-sprout/
Never seen this before. This is a mustard green seed. by HolidayFree784
https://www.allforgardening.com/1942546/3-cotyledons-sprout/
Never seen this before. This is a mustard green seed. by HolidayFree784
3 cotyledons sprout - All For Gardening
Never seen this before. This is a mustard green seed.
www.allforgardening.com
September 28, 2026 at 4:40 AM
3 cotyledons sprout
https://www.allforgardening.com/1942546/3-cotyledons-sprout/
Never seen this before. This is a mustard green seed. by HolidayFree784
https://www.allforgardening.com/1942546/3-cotyledons-sprout/
Never seen this before. This is a mustard green seed. by HolidayFree784
Somehow I think it will still work
Everything it needs is the two Cotyledons 🧐
Everything it needs is the two Cotyledons 🧐
September 27, 2026 at 2:48 PM
Somehow I think it will still work
Everything it needs is the two Cotyledons 🧐
Everything it needs is the two Cotyledons 🧐
this animation inspired me to relearn the word "cotyledon"
yay cotyledons
yay cotyledons
September 23, 2026 at 9:07 PM
this animation inspired me to relearn the word "cotyledon"
yay cotyledons
yay cotyledons
I know it's a dreadful weed, but you have to admit that buckthorn has lovely cotyledons. @mortonarboretum.bsky.social Bur Oak common garden this evening.
September 22, 2026 at 9:53 PM
I know it's a dreadful weed, but you have to admit that buckthorn has lovely cotyledons. @mortonarboretum.bsky.social Bur Oak common garden this evening.
🍆 I’ve had a proper bountiful harvest of Aubergine this year - still plenty left, I can’t eat them fast enough 🤢
I decided to save some seeds from an overripe fruit, and popped a single seed into a small pot as a viability test.
Boom! A sprout.
👨🌾 #Gardening #VegetableGrowing #GrowYourOwn 🌱
I decided to save some seeds from an overripe fruit, and popped a single seed into a small pot as a viability test.
Boom! A sprout.
👨🌾 #Gardening #VegetableGrowing #GrowYourOwn 🌱
September 23, 2026 at 6:40 AM
🍆 I’ve had a proper bountiful harvest of Aubergine this year - still plenty left, I can’t eat them fast enough 🤢
I decided to save some seeds from an overripe fruit, and popped a single seed into a small pot as a viability test.
Boom! A sprout.
👨🌾 #Gardening #VegetableGrowing #GrowYourOwn 🌱
I decided to save some seeds from an overripe fruit, and popped a single seed into a small pot as a viability test.
Boom! A sprout.
👨🌾 #Gardening #VegetableGrowing #GrowYourOwn 🌱
bc of how the cotyledons look i at first thought it was doing something like sugar maples do where the true leaves gradually change in shape as the plant grows, with the actual cotyledons hypogeal like lemon trees or peas but nope
id love to look at it under the surface again when it’s
id love to look at it under the surface again when it’s
September 20, 2026 at 1:18 PM
bc of how the cotyledons look i at first thought it was doing something like sugar maples do where the true leaves gradually change in shape as the plant grows, with the actual cotyledons hypogeal like lemon trees or peas but nope
id love to look at it under the surface again when it’s
id love to look at it under the surface again when it’s
ive been really fascinated by this coffee plant since i got it bc the morphology is just bizarre and confusing
Why are there cotyledons on every stem instead of just 2? they also have this cluster of individual woody stems that makes it look like more plants than it is
Why are there cotyledons on every stem instead of just 2? they also have this cluster of individual woody stems that makes it look like more plants than it is
September 20, 2026 at 1:18 PM
ive been really fascinated by this coffee plant since i got it bc the morphology is just bizarre and confusing
Why are there cotyledons on every stem instead of just 2? they also have this cluster of individual woody stems that makes it look like more plants than it is
Why are there cotyledons on every stem instead of just 2? they also have this cluster of individual woody stems that makes it look like more plants than it is
Mousehold resurgent!
… but it’s a long way back.
To BSky’s many excellent botanists in the wildlife community, is it possible to ID the cotyledons, or too soon?
Thx.
Oh, and this is a hornet nest at max phone zoom, but the fuzzy insects are too small to properly appreciate
… but it’s a long way back.
To BSky’s many excellent botanists in the wildlife community, is it possible to ID the cotyledons, or too soon?
Thx.
Oh, and this is a hornet nest at max phone zoom, but the fuzzy insects are too small to properly appreciate
September 18, 2026 at 4:39 PM
Mousehold resurgent!
… but it’s a long way back.
To BSky’s many excellent botanists in the wildlife community, is it possible to ID the cotyledons, or too soon?
Thx.
Oh, and this is a hornet nest at max phone zoom, but the fuzzy insects are too small to properly appreciate
… but it’s a long way back.
To BSky’s many excellent botanists in the wildlife community, is it possible to ID the cotyledons, or too soon?
Thx.
Oh, and this is a hornet nest at max phone zoom, but the fuzzy insects are too small to properly appreciate
Those little forked cotyledons are a giveaway: California poppy 🌱
September 16, 2026 at 4:01 PM
Those little forked cotyledons are a giveaway: California poppy 🌱
baby cacti are so unique, it’s interesting how you can see the roots sitting on the soil like that. It demonstrates the way cacti tend to root, which is more to the sides than downward
This one, i just know it’s not an opuntia bc they have very distinct cotyledons
This one, i just know it’s not an opuntia bc they have very distinct cotyledons
September 16, 2026 at 11:57 AM
baby cacti are so unique, it’s interesting how you can see the roots sitting on the soil like that. It demonstrates the way cacti tend to root, which is more to the sides than downward
This one, i just know it’s not an opuntia bc they have very distinct cotyledons
This one, i just know it’s not an opuntia bc they have very distinct cotyledons
Enlarge this image. See the tiny leaves emerging from between those two big leaves? They’ll develop into the first true limb. See the two little round leaves on the bottom? Disregard. Those are the cotyledons; don’t concern yourself with them, they eventually fall off.
September 13, 2026 at 3:58 PM
Enlarge this image. See the tiny leaves emerging from between those two big leaves? They’ll develop into the first true limb. See the two little round leaves on the bottom? Disregard. Those are the cotyledons; don’t concern yourself with them, they eventually fall off.
I just took this picture of a 24-hour old cannabis plant. Enlarge it. The two cotyledons are visible and between them are the first two serrated leaves.
September 9, 2026 at 9:16 PM
I just took this picture of a 24-hour old cannabis plant. Enlarge it. The two cotyledons are visible and between them are the first two serrated leaves.
See those two oval-shaped leaves? Those are the cotyledons, they’re the first two leaves that appear on a cannabis plant. They’re not smoked. The small leaves appearing between the cotyledons are the first two serrated leaves. This seedling is about 3-days old.
September 9, 2026 at 3:07 PM
See those two oval-shaped leaves? Those are the cotyledons, they’re the first two leaves that appear on a cannabis plant. They’re not smoked. The small leaves appearing between the cotyledons are the first two serrated leaves. This seedling is about 3-days old.