Let us analyse both species again (I could not find var.* riparia* in IBIS
Flora for FBI details, but POWO
<https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:47665-1> gives
distribution in Nepal only):

*Dicliptera roxburghiana var. bupleuroides (Nees) C.B.Clarke*:
FBI
<https://flora.indianbiodiversity.org/content/dicliptera-roxburghiana-var-bupleuroides-nees-cbclarke-0>
:
Nees in Wall. Pl. As. Rar. iii. 111, and in DC. Prodr. xi. 485, excl. syn.
Roxb, (sp.) ; leaves ovate or elliptic acute or acuminate glabrous or
somewhat pubescent, flower-clusters dense axillary and terminal mostly
sessile, *bracts linear or linear-oblong nearly parallel-sided acuminate
cuspidate, **D. cardiocarpa*, Nees in Wall. Pl. As. Bar. iii. 111, and in
DC. Prodr. xi. 480. D. hirtula, Nees in DC. Prodr. xi. 485. D. Roxburghii,
T. Anders, in Journ. Linn. Soc. ix. 519, chiefly. *D. Roxburghiana*, Boiss.
Fl. Orient, iv. 526, not of Nees. *D. rupestris*, Nees in DC. Prodr. xi.
486. *D. crinita*, Nees l. c. 485, as to the Indian examples so named by
Nees. *Justicia chinensis*, Wall. Cat. 2466, letter B, C partly ; Roxb. Fl.
Ind. i. 125, Obs. only. *J. canescens*, Wall. Cat. 2423.

*Throughout India in the hills, alt. 1-6000 ft., abundant in the north,*
becoming rare in the Malabar Ghauts ; *in the Himalaya from Kashmir to
Upper Assam and the Chittagong Hills ; Mt. Aboo, Stocks ; Central India.
Distrib. Afghanistan.*

A large very uniform series, varying only slightly in the pubescence of the
bracts. In the extreme forms the bracts are 3/4 by 1/16 in., glistening
ciliate, and in some of Beddome’s Malabar specimens they are almost
subulate. Though the bracts are often broader than in these, the plant as a
whole is tolerably well separable from* D. Roxburghiana*.

FoP illustration
<http://www.efloras.org/object_page.aspx?object_id=86909&flora_id=5>  POWO
<https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:47472-1>  Keys
in Flora of China
<http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=109954>


*Dicliptera roxburghiana Nees*:
FBI
<https://flora.indianbiodiversity.org/content/dicliptera-roxburghiana-nees-2>
:

*Nees in Wall. Pl. As. Rar.* iii. 111, and in DC. Prodr. xi. 483, excl.
syn. ; leaves elliptic acute obscurely pubescent or glabrate,
flower-clusters axillary and terminal sessile more rarely shortly
peduncled, *bracts cuneate-elliptic or obovate apiculate not acuminate*. T.
Anders, in Journ. Linn. Soc. ix. 519, partly ; Dalz. & Gibs. Bomb. Fl. 196
?. Justicia chinensis, Wall. Cat. 2466, letter D, and part B, C.

*Plains of N. INDIA, from the Punjab to Assam, Silhet and E. Bengal,
frequent.* BHOTAN ; Griffith.

Stems 1-3 ft., elongate, nearly glabrous. Leaves 2.1/2 by 1 in., base
cuneate ; petiole 1/4 in. Bracts nearly 1/2 by 1/5 in., often 3-nerved,
ciliate, thinly pubescent. Corolla 3/4 in. Capsule 1/4 in., clavate,
puberulous or glabrous. Seeds conspicuously verrucose.—*The whole of the
plains form of B. Roxburghiana differs from Var. bupleuroides in the
broader, more or less obovate, bracts.* Nees founded his species on the
common Assam and E. Bengal plant, and the original ticket on his type
specimen is marked Assam. Bentham, however (in Fl. Hongk. 266), says this
was an error, and that this type specimen came from the Calcutta Botanic
Garden ; but it is not known how Bentham discovered this. Nees, however, is
in error in citing Roxburgh’s Justicia chinensis, for Roxburgh’s Ic. Ined,
proves this to have been the true plant, long cultivated at Calcutta.
FoC illustration
<http://www.efloras.org/object_page.aspx?object_id=119439&flora_id=2>  POWO
<https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:47485-1>  Keys
in Flora of China
<http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=109954>

Thus clear distinction is in the bracts (*linear or linear-oblong nearly
parallel-sided acuminate cuspidate in bupleuroides & **more or less
obovate, bracts in roxburghiana*) and distribution (*Throughout India in
the hills, alt. 1-6000 ft., abundant in the north in bupleuroides & **Plains
of N. INDIA, from the Punjab to Assam, Silhet and E. Bengal, frequent** in
roxburghiana).*

I will work on these lines to analyse our postings again.
-- 
With regards,
J.M.Garg

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