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Common name: Primrose-Leaved Stone Flower
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As per efi thread:
In D. pedicellatus, stems are absent or very short (up to 1.5 cm) whereas in D. primulifolius stems are 5-20 cm; flowers are larger in D. pedicellatus (corolla  3-4 cm in D. pedicellatus; 1-2.5 cm in D. primulifolius).
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Didymocarpus primulifolius D. Don: 12 very high res. images.

Location: Phulchoki, Lalitpur
Date:  18 July 2021
Elevation:  2600m.
Habit : Wild
ID Validation : Dr. Bhaskar Adhikari

What is the difference between Didymocarpus primulifolius and Didymocarpus pedicellatus R.Br. as some images at Didymocarpus pedicellatus R.Br. look similar to your post?


Thanks for your email. It’s very easy: In D. pedicellatus, stems are absent or very short (up to 1.5 cm) whereas in D. primulifolius stems are 5-20 cm; flowers are larger in D. pedicellatus (corolla  3-4 cm in D. pedicellatus; 1-2.5 cm in D. primulifolius).
I have attached some images for your reference.
Hope this help.


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Didymocarpus primulifolius D. Don: 5 high res. images.

Location: Phulchoki, Lalitpur
Date:  08 July 2021
Elevation:  2600m.
Habit : Wild


 

 

 


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References:
The Plant List Ver.1.1 IPNI  Asian Flora  Flora of China  FOC illustration  Annotated checklist of Flowering plants of Nepal  Flowers of India  India Biodiversity Portal