Let us keep it D. chinensis vs D. buplleurioides now, as both COL and POWO treat D. roxburghiana as synonym of D. chinensis
On Monday, March 21, 2022 at 1:24:43 PM UTC+5:30 JM Garg wrote: > 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 > -- You received this message because you are subscribed to the Google Groups "efloraofindia" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/indiantreepix/480809da-1a19-4110-a9ae-15512751ebe7n%40googlegroups.com.
