Rungia spp. for ID

[dr.rakesh Singh]

Dear members 

Please set this straight for me . 

I have got 3 species of erstwhile Rungia in Surat . 

All 3 images are captured within last one month , inside Surat city limits ,

IMAGE 1 

This one has flowers larger than 1 cm , one sided flowering spike can be longer than 15 cms , 

erect to procumbent , much branched , usually single inflorescence spike at tip of branches 

..................................

IMAGE 2

This one is again erect to procumbent , spikes at nodes in bunches 

most of them about 3 to 5 cm long , flowers blue  2-3 mm ,

sterile bracts on behind are longer than fertile bracts .

......................................

IMAGE 3 

Mostly procumbent , much branched , multiple short spikes at nodes , 

only few of them enlarge to a max 3.5 cm , shorter than previous one , 

tiny blue flowers about 2-3 mm 

[dr.rakesh Singh]

Thank you ! 

[Dinesh Valke]

Thanks Rakesh ji for lining up images of Justicia (Rungia) spp.

To me IMAGE 1 is one species, and the rest IMAGE 2 and IMAGE 3 could be one species - that is, the last two could have variations based on habitat - this is purely my thought.

Will wait for comments.

Regards.

Dinesh

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[dr.rakesh Singh]

Dinesh sir , you are right in saying first one as distinct species ... it used to be Rungia repens ! 

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2nd and 3rd ... well , I do not know ... 

There used to be Rungia pectinata and Rungia parviflora . I do not know how distinct those two are ... 

could not get clarity on facebook , efi or foi . 

Here in Surat I have this tiny flowered herbaceous plants ... I am seeing it since 2016 . 

In my zeal , on facebook I declared the one with larger spike and larger sterile bracts as R. pectinata , 

smaller one (image 3) as R. parviflora , and everyone agreed !!!

Well , except myself . 

In 17 , I had been to Matheran , and saw plants identical to 2nd with overall reddish tinge ... in plenty . 

This February , in Tungi near Lonawala , again I saw plants identical to 2nd with reddish complexion . 

But  I am yet to find anything like 3rd . Anywhere . 

Habitat... there are two spots in city limits where 2 and 3 are found , almost together . 

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[Dinesh Valke]

Thanks Rakesh ji.

I have always considered Rungia / Justicia pectinata to be an erect herb, about 2 feet high, and as wide, many branched, with distant nodes - at least relative to what I consider as parviflora. I may be wrong. From my observations, the height of inflorescence and size of flowers seem to vary in both species pectinata as well as parviflora - depending on habitat.

There is a need for some field expert familiar to this genus to sort out the confusion and mistakes.

Regards.

Dinesh

[J.M. Garg]

Hi, Rakesh ji,

Image 1 is Justicia concinna, image 2 is Justicia pectinata

Pl. post detailed images for image 3, in a separate mail.

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With regards,
J.M.Garg

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[dr.rakesh Singh]

Garg sir , in that case , we need to find out and standardise differences between R. repens and R. elegans , if any . 

Online , in Goggle books I found one reference ... unsatisfactory to me ... flora of eastern Karnataka ... it has a comment stating two taxa can be merged on further evaluation .

By the way , JCB Herbarium has Rungia elegans page without a reference from any flora , and photos a mix of Rungia repens and Rungia elegans ... page of Rungia repens has images of line diagram and herbariun sheet belonging to R. repens while photographs belong to R. parviflora/pectinata . 

[J.M. Garg]

Yes, I agree.

[J.M. Garg]

Image 3 will also be Justicia pectinata only, for the time being, as per discussions so far.

[dr.rakesh Singh]

Garg sir , Today I visited one spot where I had collected 2 and 3 . Thick vegetation post monsoon has become dry scrub . These plants have become stunted too . 

Still I could find them and photographed . It was very windy making a good shoot impossible for dissected parts . 

Still ... I found . . .

2 is erect , 3 is prostrate . 

Spike in 2 is little longer than 3 . 

Leaves more or less similar .

In both posterior , sterile bracts are longer , pointed tip , have hyaline margins but less wide than anterior bracts  , and it is row of two front fertile two back sterile. 

Spikes axillary , multiple in both . 

Flowers have corollla limb upper lip acute ,3 lobed lower lip, blue to purplish , size less than 3mm (2mm ), and hairy outer surface of lower lips ... in both . 

Images will be processed and presented tomorrow , hopefully , with few thoughts of mine . 

[J.M. Garg]

OK, Rakesh ji 

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With regards,
J. M. Garg

[J.M. Garg]

Can that be difference between R. pectinata and P. parviflora? 

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With regards,
J. M. Garg

On Sun 5 Jan, 2020, 9:44 PM dr.rakesh Singh, <dr.rake...@gmail.com> wrote:

[dr.rakesh Singh]

Garg sir , I can show and I can tell what I see , at macromorphology ... what we really need is what Nees or Clarke saw and wrote ! 

We need to find out original descriptions for 

Rungia pectinata  (L.) Nees

Rungia parviflora var. parviflora

Rungia parviflora var. pectinata (snm of. Rungia pectinata) 

http://www.theplantlist.org/tpl1.1/record/kew-2420819

https://plants.jstor.org/search?genus=Rungia&species=pectinata

http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:54799-1

You see that POWO does not have a Rungia parviflora in its list 

http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:884-1

I wonder what Dr Wood has to say about it . 

[J.M. Garg]

Hi, Rakesh ji,

Giving details of Flora of British India, from IBIS Flora links.

Rungia elegans Dalzell & A.Gibson :

Dalz. & Gibs. Bomb. Fl. 196 ; stems patently white- hirsute, leaves subsessile ovate acuminate, bracts round ovate apiculate minutely hairy, corolla 1/2 in. fine blue. R. repens var. villosa, Nees in DC. Prodr. xi. 472. Justicia repens, Wall. Cat. 2459, letter B partly.

W. DECCAN PENINSULA ; Concan and Canara, Wight, Law, Stocks, &c.

Possibly a large form of R. repens. Leaves attaining 3 by 1.1/2 in., nerves beneath prominent, often patently white-hairy. Spikes 1/2-2/3 in. broad ; bracts large, scarious margin very prominent sometimes coloured purplish. Capsule 1/4 in., thin, very hairy ; seeds concentrically furrowed, the ridges very sharp sometimes crested.

Rungia repens (L.) Nees :

Nees in Wall. Pl. As. Rar. iii. 110, and in DC. Prodr. xi. 472 ; leaves subsessile oblong-lanceolate scabrid-puberulous, bracts round apiculate nearly glabrous, corolla 1/4 in., seeds 1/16 in. diam, concentrically rugose. Wight Ic. t. 465 ; Dalz. & Gibs. Bomb. Fl. 196 ; T. Anders, in Journ. Linn. Soc. ix. 518. Justicia repens, Linn. ; Roxb. Corom. Pl. ii. 29, t. 152, and Fl. Ind. i. 132 ; Wall. Cat. 2459. Dicliptera repens, Roem. & Sch. Syst. i. 171.—Burm. Thes. Zeyl. t. 3, fig. 2.

Throughout INDIA, from the Punjab and Bengal to CEYLON ; common. (No specimens from the Malay Peninsula.).

A procumbent, rooting, ramous weed ; branches quadrangular, pubescent or nearly glabrous. Leaves 2 by 2/3 in., or often smaller narrower ; petiole rarely so much as 1/8 in. Spikes 2 by 1/3 in., appearing often peduncled, the 2 leaves close to their base usually much reduced ; bracts closely regularly imbricated 4-farious, spike less 1-sided than in most species ; bracts 1/4 by 1/6-1/4 in., white margin broad prominent; bracteoles 1/5 in., linear-lanceolate, minutely pubescent. Calyx 1/6 in. ; segments linear-lanceolate, pubescent. Corolla white, with rose or purple spots. Anther-cells superposed, lower white-tailed. Ovary glabrous, style thinly hairy at base. Capsule 1/4 in. and upwards, minutely thinly hairy. Seeds ovoid, moderately compressed, rugose almost furrowed.

On Sat, 4 Jan 2020 at 18:28, dr.rakesh Singh <dr.rake...@gmail.com> wrote:

[J.M. Garg]

I think Image 3 may be of Rungia parviflora var. muralis (Nees) C.B.Clarke with spikes very dense, barren bracts ovate acute hardly longer than the fertile, as per Flora of British India as per discussions in another thread at Sorting Rungia species

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[J.M. Garg]

1st image is of Justicia repens

---------- Forwarded message ---------
From: dr.rakesh Singh <dr.rake...@gmail.com>
Date: Wed, 25 Dec 2019 at 13:42
Subject: [efloraofindia:338654] Rungia spp. for ID
To: efloraofindia <indian...@googlegroups.com>

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With regards,
J.M.Garg