Exallage auricularia

Exallage auricularia (L.) Bremek., Verh. Kon. Ned. Akad. Wetensch., Afd. Natuurk., Sect. 2 48(2): 142 1952. (syn. Hedyotis auricularia L.; Metabolos auricularius (L.) Blume ex Bremek.; Oldenlandia auricularia (L.) K.Schum.);
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Trop. & Subtrop. Asia as per WCSP;
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Andaman Is.; Assam; Bangladesh; Borneo; China South-Central; China Southeast; Congo; East Himalaya; Gabon; Hainan; India; Jawa; Lesser Sunda Is.; Malaya; Myanmar; Nansei-shoto; Nepal; Philippines; Sri Lanka; Sumatera; Thailand; Vietnam; Zare as per Catalogue of Life;
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Maslahari; in malayalam– karimtharavu;
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Diffuse to trailing hers; stem 4-angled, bluish, villous when young. Leaves 2-7 x 1-2.5 cm, elliptic-ovate or elliptic-lanceolate, base rounded or cuneate, apex shortly acuminate, lateral nerves 4 or 5 pairs, glabrous; stipules broadly ovate, pectinate on margins. Flowers fascicled at axils; pedicels c. 1 mm long. Calyx tube c. 1 mm long, 4-lobed. Corolla white, campanulate; tube c. 1 mm long; lobes 4, reflexed, hairy at throat. Stamens 4, included. Capsule c. 2 mm across, globose, pubescent, indehiscent. Seeds many, black, 3-angled.

Flowering and fruiting: October-December
Degraded forests and in the plains
Indo-Malesia
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SK779 07 OCT-2017:ID : 7 posts by 2 authors. Attachments (8)
Location :  Thula Khet, Pokhara, Nepal 

Date : 10 August 2017
Altitude : 2800 ft.
Spermacoceae… ???

Yes, appears so.

Thank you … but which one ?

Pl. check species found in Nepal in efi site.
‎Spermacoce species so far in efi.

It should be Spermacoce hispida L. as per comparative images at Spermacoce and as per keys at Flora of China

This may also turn out to be Spermacoce alata Aubl.

It seems to S. remota.

Thanks, …,  But I am not convinced.
Pl. see images and details at Spermacoce remota

yes, sir, You’re right, I observed one character here, Flowers axillary terminal many-flowered clusters…….Could be Oldenlandia auricularia, Check it once.

earlier I checked within the Spermacoce, When you check within that very similar to ‘remota’ but I realize now.
Looks like matching with :
Exallage auricularia (L.) Bremek.
Syn: Oldenlandia auricularia (L.) K.Schum.
Syn: Hedyotis auricularia L.
/wp-content/uploads/2020/10/Spermacos%20from%20Cochin.jpg
in a nursery at cochi; 06.11.2010- TALAKAVERI, KODAGU, KARNATAKA, 4350 FT;
 Spermacos from Cochi – indiantreepix | Google Groups

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Date/Time- 06.11.2010/ 10.00AM
Location- Place, Altitude, GPS- TALAKAVERI, KODAGU, KARNATAKA, 4350 FT
Habitat- Garden/ Urban/ Wild/ Type- WESTERN GHAT, HIGH ELEVATION GRASSLAND
Plant Habit- Tree/ Shrub/ Climber/ Herb- SMALL HERB, PROCUMBENT

Oldenlandia auriculata in malayalam it is called karimtharavu

On going through Nature Loves you  FRLHT  GBIF (high resolution specimens)  Flickr  IIIM  Yi Shuen flickr site, I am having doubt about the id as Exallage auricularia (L.) Bremek. (syn: Oldenlandia auricularia (L.) K.Schum.)
To me appears close to Exallage ulmifolia (Wall.) Bremek. (syn: Hedyotis lineata Roxb.) as per GBIF (High resolution specimens).
Also see

But may be some other species as I did not find any distribution in Sri Lanka.

But may be some other species as I did not find any distribution in South India.

It looks closer to Spermacoce assurgens Ruiz & Pavon. for confirmation seed need to be observed , which are transversely rugose

It looks like Spermacoce latifolia
Thanks, … But looks different from Spermacoce alata (Spermacoce latifolia) as per images, details and references herein.
Does not match any Spermacoce species so far in efi site, as per comparative images herein.

May I seek your id help for some earlier Hedyotis species from India.

This plant is Exallage auricularia.

Thanks a lot, … But on going through Nature Loves you  FRLHT  GBIF (high resolution specimens)  Flickr  IIIM  Yi Shuen flickr site, I am having doubt about the id as Exallage auricularia (L.) Bremek. (syn: Oldenlandia auricularia (L.) K.Schum.)
To me appears more closer to Exallage ulmifolia (Wall.) Bremek. (syn: Hedyotis lineata Roxb.) as per GBIF (High resolution specimens).
Also see
https://api.gbif.org/v1/image/%3D12135329
https://api.gbif.org/v1/image/%2F87539.jpg
Pl. give your kind views.

This plant is Exallage auricularia because the cymes and flowers are sessile. Exallage ulmifolia has pedunculate cyme with pedicellate flowers.
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Exallage auricularia: Madalpatti, Coorg, Karnataka: 15 images.
On 7.5.22 at Mandalpatti view point at around 4000 ft. in Pushpagiri wildlife sanctuary, Coorg, Karnataka.

 

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References:

Catalogue of Life  WCSP  The Plant List  Annotated checklist of Flowering plants of Nepal (Hedyotis auricularia L.)  Flora of China (Hedyotis auricularia L.)  India Biodiversity Portal 

Flora of Eastern Ghats: Hill Ranges of South East India, Volume 3 By T. Pullaiah, K. Sri Ramamurthy (Description & Keys)

Nature Loves you  FRLHT  GBIF (high resolution specimens)  Flickr  IIIM  Yi Shuen flickr site