#Causonis Japonica

[falseandrealultravival]

Today's Haiku with Picture 722

Thrush

Now it’s a friend

Of grapes

ヤブガラシ

これでブドウの

仲間なり

Causonis Japonica. Vitaceae.

(2023.06.07)

[ayanos-pl]

ヤブガラシにいたコアオハナムグリ(?)（7月2日）

[wayti-blog]

“An extremely rare case of a flower that oscillates in colour over time has been discovered by researchers in Japan. The team, led by Nobomitsu Kawakubo at Gifu University, showed that the transformations are tied to cyclic changes in the flowers’ reproductive organs, which act to guide pollinating insects towards them.

Over 450 plant species are known to change the colours of their flowers. Botanists generally believe that these changes are related to the pollination conditions in each flower, signalling to insects where the best nectar can be found.

The vast majority of these colour changes are unidirectional, meaning once colour has changed, it can never change back. Yet in their study, Kawakubo’s team discovered an example of a far rarer bidirectional flower, which oscillates back and forth between two colours. Named Causonis japonica, this vine plant is native to tropical regions of Asia and Australia and is often considered to be a weed.”

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[otaharuo]

Pterophoridae、10月1日、名古屋市

ヤブカラシにいました。

on leaf of Causonis japonica

[konjaku]

藪枯[Yabukarashi] Causonis japonica

藪[Yabu] : Bush, thicket

枯[Karashi] : 枯らす[Karasu], to let the plant wither

A vine plant. It is so named because it covers other plants and reproduces so vigorously that it seems to kill the bushes. It spreads by extending rhizomes horizontally and is difficult to get rid of.

It is also called 貧乏蔓[Binbōkazura|Binbōzuru] because it makes the house look poor when it thrives or covers gardens and hedges. 貧乏[Binbō] means poverty and 蔓[-zuru|Tsuru|Kazura] means creeping plant. https://en.wikipedia.org/wiki/Binbōgami

[cropforlife]

Flowers show their true colors: A common flower with a unique bidirectional color-changing ability

Flowers show their true colors: A common flower with a unique bidirectional color-changing ability

A plant common to Japan, Causonis japonica, is the first to show a newly discovered trait. Its flowers can change color depending on the stage of its maturation cycle, and then change back to its original color. Although many flowers have been shown to change color depending on their maturation phase, Causonis japonica is the only known example of bidirectional color change. The pigments involved…

[falseandrealultravival]

Today's Haiku with Picture 755

Causonis japonica

It is an oasis for insects to

Rest and drink nectar

ヤブガラシ

虫の憩いの

オアシスか

(2023.06.18)

[ayanos-pl]

ヤブガラシで吸蜜するセグロアシナガバチ（6月18日）

[ayanos-pl]

ヤブガラシで吸蜜するセイヨウミツバチ。おいしそうに飲んでいる（7月2日）

[ayanos-pl]

ヤブガラシで吸蜜するキアシナガバチ（7月2日）

[ayanos-pl]

ヒメハラナガツチバチも来ていた（6月22日）

[ayanos-pl]

ニホンミツバチがヤブガラシの花に来ていた（6月22日）