Iris tectorum (Introduced)

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Iris tectorum Maxim., Bull. Acad. Imp. Sci. Saint-Pétersbourg 15: 380 1871. (Syn: Evansia tectorum (Maxim.) Klatt; Iris chinensis Bunge [Illegitimate]; Iris rosthornii Diels; Iris tectorum f. alba (Dykes) Makino; Iris tectorum var. alba Dykes; Iris tomiolopha Hance);
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China: China North-Central, China South-Central, China Southeast, Hainan, Qinghai, Tibet; Introduced into: East Himalaya, Italy, Japan, Korea, West Himalaya as per POWO;
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More Garden Plants from Dalhousie al200711a:
Another Plant.. a favourite among the villagers…

Location Dalhousie
Altitude 2100 mts
Habit Herb
Habitat Garden

Looks like Iris germanica

It is Iris Tectorum not Iris Germanica. A species from China, Burma, Korea

I think yes I. tectorum. I earlier missed the white irregularly toothed crest. We also found it in our recent trip to Almora-Nainital.

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Plants For id/validation-03: Iris for id from HPU, Shimla: Attachments (3).  4 posts by 2 authors.
Please help in fixing the id of this Iris species shot from campus of Himachal Pradesh University, Shimla.. I do not have more pics..

Can this be Iris tectorum ?

I think yes. Earlier uploaded by … efi thread
We also photographed by Choubatia Gardens during Almora-Naintal trip

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MS/2019/1/7- Id of the flower. : 8 posts by 5 authors. Attachments (2)
Please ID the plant. Photographs sent by one of my friends on different days. Supposed to be of the same plant as stated by the sender. I really donot know whether the photograph showing vegetative potion is of the same species.
Looking very close to Iris tectorum Maxim. 

Plant in vegetative stage is different. Plant with a flower appears to be Iris tectorum. More details are are required as suggested by …

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Iris for validation :: Shimla, Dec 2018 :: ARK2019-09 : 4 posts by 3 authors. Attachments (6)
These irises were planted as ornamentals around our hotel near Shimla in Dec 2018.
Many of them had dried, only some 4-5 flowers remained. Looking at the efi pics, they seem to be Iris tectorum. Requested to please validate.
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Iris tectorum AT/May 2019/05 : 6 posts by 5 authors. Attachments (1)- 1 Mb.
Roof Iris
Shimla
May 2019
Nice to see good pictures, … i have seen it in France, not in Japan.
found a link. not exactly where i saw it but idea is the same. i wonder if the practice in Japan survived

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Iris germanica: 1 high res. image.
Habit: Herb

It resembles with Iris tectorum

I agree with you as per images at Iris tectorum

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Here is the Himalayan Iris.
Iris nepalensis D.Don Prodr. Fl. Nepal.: 54 (1825); non Wall. ex Lindl. (1824)
Family: Iridaceae
Habitat: It is found in the temperate Himalaya and Khasi hills
Pollination: This member shows an interesting floral morphology for pollination. The Iris flower is formed in such a way that when a bee enters it to get the nectar, the insect will come in contact with the pollen only after passing the stigma. When the bee backs out of the flower, it will only touch the lower face of the Stigma, which is non- receptive. Thus the flower ensures that the bee doesn’t pollinate it with its own pollen. Each flower is pollinated by the pollen of another (cross pollinated).
Picture taken from Potin, Lower Subansiri dist., Arunachal Pradesh during April, 2006.

Nice photograph … The species is now correctly known as I. decora Wall. as I. nepalensis D. Don is nom. illeget.

Thanks Sir for the correction and appreciation.

Iris tectorum Maxim.

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References:
POWO