Exallage

Comparative images of complete Old Hedyotis complex (Debia, Exallage, Hedyotis, Leptopetalum, Oldenlandia & Scleromitrion) available at Hedyotis

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BSI Flora of India Checklist Vol. 2 (Distribution):

Name Distribution
Hedyotis acutangula Andaman & Nicobar Islands
Hedyotis albonerva Kerala, Tamil Nadu
Hedyotis andamanica Andaman & Nicobar Islands (syn. of Debia andamanica (Kurz) Neupane & N.Wikstr. as per POWO)
Hedyotis angustifolia Andaman & Nicobar Islands, Assam, Meghalaya, Nagaland (syn. of Scleromitrion angustifolium (Cham. & Schltdl.) Benth. as per POWO)
Hedyotis articularis ssp. articularis (Karnataka, Kerala, Tamil Nadu)
ssp. santapaui (B.V. Shetty & Vivek.) D.B. Deb & Ratna Dutta (Kerala)
Hedyotis auricularia ssp. auricularia (Andhra Pradesh, Goa, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Odisha, Tamil Nadu, West Bengal) (syn. of Exallage auricularia (L.) Bremek. as per POWO)
ssp. venosa (Blume) D.B. Deb (Assam, Meghalaya, Tripura, West Bengal) (syn. of Exallage auricularia (L.) Bremek. as per POWO)
Hedyotis barberi Tamil Nadu
Hedyotis beddomei Kerala
Hedyotis bourdillonii Kerala
Hedyotis brunonis Assam, West Bengal (syn. of Oldenlandia monocephala Kuntze as per POWO)
Hedyotis buxifolia Kerala, Tamil Nadu
Hedyotis capitellata var. capitellata (syn. of Dimetia capitellata (Wall. ex G.Don) Neupane & N.Wikstr. as per POWO)
var. subpubescens (Manipur) (syn. of Dimetia capitellata (Wall. ex G.Don) Neupane & N.Wikstr. as per CoL)
Hedyotis congesta Andaman & Nicobar Islands (syn. of Hedyotis prostrata Blume as per POWO)
Hedyotis cyanantha Karnataka, Maharashtra, Tamil Nadu
Hedyotis devicolamensis Kerala, Tamil Nadu
Hedyotis eualata var. eualata (Kerala, Tamil Nadu)
var. agastyamalayana A.N. Henry & Subr. (Tamil Nadu)
Hedyotis fruticosa Kerala
Hedyotis fulva Meghalaya (syn. of Exallage barbata (Korth.) Bremek. as per POWO)
Hedyotis gamblei Tamil Nadu
Hedyotis hermanniana DOUBTFUL TAXA (syn. of Leptopetalum biflorum (L.) Neupane & N.Wikstr. as per POWO)
Hedyotis hirsutissima Tamil Nadu
Hedyotis indirae Kerala
Hedyotis insularis Assam, Manipur, Meghalaya, Mizoram (syn. of Exallage insularis (Spreng.) Neupane & N.Wikstr. as per POWO)
Hedyotis kottangathattiensis Andhra Pradesh, Gujarat, Karnataka, Madhya Pradesh, Maharashtra, Odisha, Rajasthan
Hedyotis kurzii Andaman & Nicobar Islands
Hedyotis leschenaultiana var. leschenaultiana (Tamil Nadu)
var. wynaadensis (Gamble) Deb & Ratna Dutta (Tamil Nadu)
Hedyotis lineata Assam, Meghalaya, Nagaland, Sikkim, Tripura, Uttar Pradesh, West Bengal (syn. of Exallage ulmifolia (Wall.) Bremek. as per POWO)
Hedyotis membranacea Kerala
Hedyotis merguensis Andamans, Mizoram, Tripura (syn. of Involucrella coronaria (Kurz) Neupane & N.Wikstr. as per POWO)
Hedyotis neesiana Andhra Pradesh, Karnataka, Kerala, Tamil Nadu
Hedyotis paradoxa Andaman & Nicobar Islands (syn. of Exallage paradoxa (Kurz) Bremek. as per POWO)
Hedyotis pinifolia Andhra Pradesh, Bihar, Madhya Pradesh, Manipur, Odisha, Uttar Pradesh, West Bengal (syn. Scleromitrion pinifolium (Wall. ex G.Don) R.J.Wang as per POWO)
Hedyotis pruinosa Kerala
Hedyotis purpurascens Kerala, Tamil Nadu
Hedyotis rajasekaranii Tamil Nadu
Hedyotis ramarowii Kerala, Tamil Nadu
Hedyotis scabra Arunachal Pradesh, Assam (syn. of Scleromitrion scabrum(Wall. ex Kurz) Neupane & N.Wikstr.  as per CoL)
Hedyotis scandens Meghalaya, Sikkim (syn. of Dimetia scandens (Roxb.) R.J.Wang as per POWO)
Hedyotis stylosa Tamil Nadu
Hedyotis swertioides Kerala, Tamil Nadu
Hedyotis tetrandra Arunachal Pradesh, Nagaland
Hedyotis travancorica Tamil Nadu
Hedyotis trimenii Tamil Nadu
Hedyotis uncinella Meghalaya, Sikkim
Hedyotis verticillaris Arunachal Pradesh, Assam, Bihar, Himachal Pradesh, Meghalaya, Mizoram Nagaland, Sikkim, Tripura, Uttar Pradesh, West Bengal
Hedyotis verticillata Arunachal Pradesh, Assam, Bihar, Himachal Pradesh, Meghalaya, Mizoram Nagaland, Sikkim, Tripura, Uttar Pradesh, West Bengal (syn. of Scleromitrion verticillatum (L.) R.J.Wang as per POWO)
Hedyotis vestita Andaman & Nicobar Islands, Arunachal Pradesh, West Bengal (syn. of Exallage cristata (Willd.) Nandikar & K.C.Kishor as per POWO)
Hedyotis villosostipulata Tamil Nadu (syn. of Oldenlandia villosostipulata Gamble as per POWO)
Hedyotis viscida Tamil Nadu (syn. of Oldenlandia viscida (Bedd.) Kuntze as per POWO)

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Flora of Peninsular India:
Hedyotis albonerva
Hedyotis articularis subsp. articularis
Hedyotis articularis subsp. santapaui
Hedyotis aspera (syn. of Kohautia aspera (B.Heyne ex Roth) Bremek. as per POWO)
Hedyotis barberi
Hedyotis beddomei
Hedyotis biflora (syn. of Leptopetalum biflorum (L.) Neupane & N.Wikstr. as per POWO)
Hedyotis bourdillonii
Hedyotis brachiata (syn. of Kohautia aspera (B.Heyne ex Roth) Bremek. as per POWO)
Hedyotis brachypoda (syn. of Scleromitrion brachypodum (DC.) T.C.Hsu as per POWO)
Hedyotis buxifolia
Hedyotis cyanantha
Hedyotis devicolamensis
Hedyotis eualata var. agastyamalayana
Hedyotis eualata var. eualata
Hedyotis fruticosa
Hedyotis gamblei
Hedyotis hirsutissima
Hedyotis kottangathattiensis
Hedyotis leschenaultiana var. leschenaultiana
Hedyotis leschenaultiana var. wynaadensis
Hedyotis lessertiana
Hedyotis membranacea
Hedyotis nagporensis (syn. of Kohautia nagporensis (Brace ex Haines) Santapau & Merchant as per POWO)
Hedyotis neesiana
Hedyotis ovatifolia (syn. Debia ovatifolia (Cav.) Neupane & N.Wikstr. as per POWO)
Hedyotis pinifolia (syn. Scleromitrion pinifolium (Wall. ex G.Don) R.J.Wang as per POWO)
Hedyotis pruinosa
Hedyotis pterita (syn. of Leptopetalum pteritum (Blume) Neupane & N.Wikstr. as per POWO)
Hedyotis purpurascens
Hedyotis racemosa (syn. of Leptopetalum racemosum (Lam.) Shih H.Chen & M.J.Wu as per POWO)
Hedyotis rajasekaranii
Hedyotis ramarowii
Hedyotis ramarowii var. kannikattica
Hedyotis shettyi
Hedyotis sisaparensis (syn. of Hedyotis leschenaultiana var. leschenaultiana as per POWO)
Hedyotis swertioides
Hedyotis travancorica
Hedyotis trinervia (syn. of Edrastima trinervia (Retz.) Neupane & N.Wikstr. as per POWO)
Hedyotis verticillata (syn. of Scleromitrion verticillatum (L.) R.J.Wang as per POWO)
Hedyotis vestita (syn. of Exallage cristata (Willd.) Nandikar & K.C.Kishor as per POWO)
Hedyotis villosostipulata (syn. of Oldenlandia villosostipulata Gamble as per POWO)
Hedyotis viscida (syn. of Oldenlandia viscida (Bedd.) Kuntze as per POWO)

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BSI Flora of India Checklist Vol. 2 (Distribution):

Name Distribution
Oldenlandia affinis Andhra Pradesh, Bihar, Gujarat, Karnataka, Madhya Pradesh, Maharashtra, Manipur, Odisha, Tamil Nadu, Uttar Pradesh, West Bengal
Oldenlandia arenaria Odisha (syn. of Oldenlandia stricta L. as per POWO)
Oldenlandia biflora Karnataka, Kerala, Lakshadweep, Maharashtra, Tamil Nadu (syn. of Leptopetalum biflorum (L.) Neupane & N.Wikstr. as per POWO)
Oldenlandia corymbosa Andaman & Nicobar, Kerala, Jharkhand, Odisha, Sikkim, Tripura, West Bengal
Oldenlandia diffusa Almost throughout India (syn. of Scleromitrion diffusum (Willd.) R.J.Wang as per POWO)
Oldenlandia dineshii Kerala
Oldenlandia erecta Kerala (syn. of Oldenlandia corymbosa var. erecta (Manilal & Sivar.) Anandhapr. & Gnanasek. as per POWO)
Oldenlandia graminicola Endemic to India: Andman & Nicobar Islands (syn. of Oldenlandia corymbosa var. corymbosa as per POWO)
Oldenlandia herbacea Almost throughout India
Oldenlandia hygrophila Kerala. Rare and probably extinct
Oldenlandia ovatifolia Almost throughout India (syn. of Debia ovatifolia (Cav.) Neupane & N.Wikstr. as per POWO)
Oldenlandia paniculata Maharashtra, Punjab (No distribution shown in India as per POWO)
Oldenlandia prainiana Karnataka (syn. of Neanotis prainiana (Talbot) W.H.Lewis as per POWO)
Oldenlandia pseudocorymbosa Almost throughout India (syn. of Oldenlandia corymbosa var. corymbosa as per POWO)
Oldenlandia pterita Andhra Pradesh, Tamil Nadu (syn. of Leptopetalum pteritum (Blume) Neupane & N.Wikstr. as per POWO)
Oldenlandia pumila Andaman & Nicobar Islands, Kerala, Madhya Pradesh, Maharashtra, Rajasthan, Tamil Nadu, West Bengal
Oldenlandia pusilla Andhra Pradesh, Bihar, Karnataka, Tamil Nadu, Uttar Pradesh, West Bengal (syn. of Kohautia aspera (B.Heyne ex Roth) Bremek. as per POWO)
Oldenlandia shuteri Andhra Pradesh, Tamil Nadu (syn. of Oldenlandia stricta L. as per POWO)
Oldenlandia smita-crishnae Andaman & Nicobar Island
Oldenlandia stocksii Goa, Karnataka, Maharashtra
Oldenlandia stricta Andhra Pradesh, Tamil Nadu
Oldenlandia trinervia Karnataka, Kerala, Maharashtra, Odisha, Puducherry, Tamil Nadu (syn. of Edrastima trinervia (Retz.) Neupane & N.Wikstr. as per POWO)
Oldenlandia umbellata Andhra Pradesh, Karnataka, Kerala, Maharashtra, Odisha, Tamil Nadu

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Flora of Peninsular India:
Oldenlandia affinis
Oldenlandia alata (syn. of Leptopetalum racemosum (Lam.) Shih H.Chen & M.J.Wu as per POWO)
Oldenlandia auricularia (syn. of Exallage auricularia (L.) Bremek. as per POWO)
Oldenlandia corymbosa
Oldenlandia corymbosa var. linearis
Oldenlandia diffusa (syn. of Scleromitrion diffusum (Willd.) R.J.Wang as per POWO)
Oldenlandia herbacea
Oldenlandia hygrophila
Oldenlandia nagporensis (syn. of Kohautia nagporensis (Brace ex Haines) Santapau & Merchant as per POWO)
Oldenlandia nudicaulis (syn. Debia ovatifolia (Cav.) Neupane & N.Wikstr. as per POWO)
Oldenlandia prainiana (syn. of Neanotis prainiana (Talbot) W.H.Lewis as per POWO)
Oldenlandia pumila
Oldenlandia pusilla (syn. of Kohautia aspera (B.Heyne ex Roth) Bremek. as per POWO)
Oldenlandia shuteri (syn. of Oldenlandia stricta L. as per POWO)
Oldenlandia stocksii
Oldenlandia stricta
Oldenlandia umbellata

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Pl. go through Old Hedyotis complex (Debia, Exallage, Hedyotis, Leptopetalum, Oldenlandia & Scleromitrion) page with images of species in efloraofindia.

If you find any incorrect identification, pl. let us know.

If anybody can send images of other species of this genus (for incorporation in the website) to indiantreepix@googlegroups.com, it will be really nice.