Luculia gratissima (Wall.) Sweet, Brit. Fl. Gard. 2: t. 145 1826. (Syn: Cinchona gratissima Wall.; Mussaenda luculia Buch.-Ham. ex D.Don [Illegitimate]);
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Bhutan, China, NE India, Myanmar, Nepal, Thailand, Vietnam as per Flora of China;
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Pleasant Luculia • Nepali: बन काँगियो Ban kangiyo, दोवारी फूल Doware phool
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Keys as per Flora of China and As per efi thread:
What struck me is the spathulate calyx given in the description in your book link (at MS,Aug., 2021/08 Luculia sp.for id.for Luculia pinceana, which I found at Plants from Northeast Tour 2017- Luculia pinceana from Cherrapunji, Meghalaya. Also lamellate appendages at the base of corolla lobes for this species can be seen at Rubiaceae Week: Sharing Rubiaceae Photo from Arunachal Pradesh and A small tree with white flowers and Tohangam,Lohit,Arunachal Pradesh. 3.1.17
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Luculia gratissima (Wall.) Sweet (accepted name) : 2 posts by 2 authors. Attachments (3)

Sharing some pictures of Luculia gratissima (Wall.) Sweet (accepted name)  shot at Tarakeshwor, Nepal on 27 August 2016 at 6000 ft.

Nepali Names: बन काँगियेा,  Ban Kaangiyoदेावारी फूल  Dowaree Phool / गाइ फूल Gaai Phool 


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Attachments (5)


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Location: Nagarkot, Nepal

Date: 12 November 2017
Altitude: 6600 ft.
Attachments (4)

LocationDolakha, Nepal
Altitude:  5600 ft.
Date: 15 October 2011
Habit : Wild
Attachments (2) – 1 Mb each.


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Luculia gratissima (Wall.) Sweet : 3 posts by 2 authors. Attachments (8)

Location : Raniban, Balaju , Nepal
Altitude:  4700 ft.
Date: 20 November 2017
But faint flower color compared to other clicking.


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I came across this flowering shrub with light pinkish coloured flowers having very pleasant fragrance.
Location: Reiek Point, Mizoram.
Bot. name: Luculia gratissima
Family: Rubiaceae
Habitat: Wild



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MS Oct,2018/23 Luculia sp. for ID : 4 posts by 2 authors. Attachments (2)

Location : Tan, Mizoram

Altitude : ca 1,800 m.
Date : 05-10-2018
Habit : Shrub
Habitat : Wild

Pl. check species available in efi site at

Luculia pinceana or Luculia gratissima ??

I find these more closer to images at Luculia gratissima (Wall.) Sweet rather than those at Luculia pinceana Hook.


On check with high res. species in MS,Aug., 2021/08 Luculia sp.for id., I feel images at MS Oct,2018/23 Luculia sp. for ID will also be of Luculia pinceana Hook.


What struck me is the spathulate calyx given in the description in your book link (at MS,Aug., 2021/08 Luculia sp.for id.for Luculia pinceana, which I found at Plants from Northeast Tour 2017- Luculia pinceana from Cherrapunji, Meghalaya. Also lamellate appendages at the base of corolla lobes for this species can be seen at Rubiaceae Week: Sharing Rubiaceae Photo from Arunachal Pradesh and A small tree with white flowers and Tohangam,Lohit,Arunachal Pradesh. 3.1.17

So, safely we can take your plant as Luculia gratissima

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Luculia gratissima (Wall.) Sweet : 1 very high resolution image.

Location: Kathmandu Valley
Date:  October 2020 
Elevation: 1500m.
Habitat  : Wild


https://08511630493324166816.googlegroups.com/attach/a68486de91109/Copy%20of%20Meghalaya%20435.jpg?part=0.1&view=1&vt=ANaJVrH3LGdyUDSl-7AS00RIaTAn8ZVA93mzeZ-0Y5dDRpzfMZ3gxs6ewMCKx9ectORk6c9q0kCXptB1O_nRqyMZcc5FCLN8SStT_v8uq6j1EWmRbZ6MrGE

Flower for Id -ID22122016SH1: 4 posts by 2 authors. Attachments (1)

Flower for Id pl.
Location – Near Mawphlang,East Khasi Hills,Meghalaya
Date – 18.10.2016

This is Luculia pinceana, a rubiaceae tree member.


This may be Luculia gratissima (Wall.) Sweet as corolla tube appears to be longer as per keys in Flora of China


Yes



Re: Small white flower : 3 posts by 2 authors. Attachments (1)

Location Kalimpong Darjeeling West Bengal
Please identify

Cultivated?


Luculia gratissima (Wall.) Sweet but could be Luculia gratissima (Wall.) Sweet since both sp. have distribution.


Thanks, …, for the id. This should be Luculia gratissima (Wall.) Sweet as corolla tube appears to be longer as per keys in Flora of China


On further checking, this is Luculia gratissima only as per keys herein.


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Luculia gratissima (Wall.) Sweet : 1 high resolution image.

Location: Bhaktapur
Date: November 2020
Altitude: 2200m.
Habitat : Wild


Date: 16th October.2011
Location: Lava-Algarah road. (5000feet) Darjeeling district. WB
Please help to identify this flower

I think Luculia sp. (Rubiaceae family).


I think may be Luculia pinceana Hook. as per images herein.


On further checking, this is Luculia gratissima only as per keys herein.




MS,Aug., 2021/08 Luculia sp.for id.: 3 images.
Location : Vaphai, Mizoram
Altitude : 1,500 – 1,800 m.
Date : 05-10-2018
Habit : Shrub or small tree
Habitat : Wild


May I request you to post a high res. image showing the calyx.

It may be Luculia pinceana Hook., as it appears that the inflorescence axes, hypanthium portion of calyx is glabrous.



1 high res. image


Yes, Luculia pinceana Hook.


As per my MS Oct ,2018/23 Luculia sp.in efloraofindia. It seems Luculia gratissima


On check with high res. species in this post, I feel images at MS Oct,2018/23 Luculia sp. for ID will also be of Luculia pinceana Hook.

What are the species reported in your book ? Any keys?


This I am saying as per keys in Flora of China.



What struck me is the spathulate calyx given in the description in your book link for Luculia pinceana, which I find at Plants from Northeast Tour 2017- Luculia pinceana from Cherrapunji, Meghalaya. Also lamellate appendages at the base of corolla lobes for this species can be seen at Rubiaceae Week: Sharing Rubiaceae Photo from Arunachal Pradesh and A small tree with white flowers and Tohangam,Lohit,Arunachal Pradesh. 3.1.17
So, safely we can take your plant as Luculia gratissima


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MS,Oct.,2021/67 Luculia pinceana ? for id/confirmation: 1 image.
Location : Mawmrang tlang
Altitude : ca. 1,650 m 
Date : 06-11-2019
Habit : Shrub
Habitat : Wild


leaf, stem, habitat images ?


Pl. show a clear image of the calyx.


Sorry ! Not available sir


Taking it as Luculia gratissima (Wall.) Sweet., with this image.


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MS, Nov., 2022/14 Luculia sp. for id: 4 images.
Location : Sumsuih, Mizoram

Altitude : ca.1,400 m
Date : 04-11-2022
Habit : Shrub
Habitat : Wild


Pl. check https://efloraofindia.com/2011/03/12/luculia/


Luculia pinceana ?


No. It is https://efloraofindia.com/2011/03/12/luculia-gratissima/


 


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References:

The Plant List  GRIN   Annonated checklist of Flowering plants of Nepal  Flora of China  FOC illustration  FOC keys  Flowers of India  Wikipedia  Gardening Australia – Fact Sheet: Luculia

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