Stachytarpheta
cayennensis (Rich.) Vahl,
Enum. Pl. 1: 208 1804. (Syn: (=) Stachytarpheta dichotoma (Ruiz & Pav.) Vahl; (=) Stachytarpheta urticifolia Sims; (≡) Verbena cayennensis Rich.; (=) Verbena dichotoma Ruiz & Pav.) as per GRIN;
.
stak-ee-tar-FEE-tuh — from the Greek stachys (ear of corn) and tarphys (thick)
kae-yen-EN-sis — of or from Cayenne (capital city of French Guiana)
.
commonly known as: blue rat’s tail, blue snakeweed, Brazilian tea, Cayenne snakeweed, Cayenne vervain, dark blue snakeweed, false verbena, joee, nettleleaf velvetberry, rough-leaved false vervain, vervain
.
Native to: tropical America; naturalized or cultivated pantropically
.
stak-ee-tar-FEE-tuh — from the Greek stachys (ear of corn) and tarphys (thick)
kae-yen-EN-sis — of or from Cayenne (capital city of French Guiana)
[image: Stachytarpheta cayennensis]<http://www.flickr.com/photos/dinesh_valke/753765110/>
Jul 7, 2007 at Babasaheb Ambedkar Udyan, Powai, Mumbai
commonly known as: blue rat’s tail, blue snakeweed, Brazilian tea, Cayenne snakeweed, Cayenne vervain, dark blue snakeweed, false verbena, joee, nettleleaf velvetberry, rough-leaved false vervain, vervain
Native to: tropical America; naturalized or cultivated pantropically 
   – [image: Cayenne Snakeweed]<http://www.flickr.com/photos/dinesh_valke/753765082/>
… Jul 7, 2007 at Babasaheb Ambedkar Udyan, Powai, Mumbai
– [image: Blue Snakeweed]<http://www.flickr.com/photos/dinesh_valke/2095033321/>
… Dec 8, 2007 at Sagar Upvan

 

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Stachytarpheta cayennensis (Rich.) Vahl
at Sagar Upvan on December 8, 2007

at Powai on July 7, 2007


Very good clicks. Yet to see it.


nice
how do you differentiate it from the jamaica vervain?


I would not be able to make out among the Cayenne and Jamaican.

Clicking on last pic will lead to flickr photo page, where a flickr member, familiar with both the species, threw light on the differences.


Thanks … I see what that expert thought seeing the last picture

but looking at curved leaves in two above the last i see the teeth point st outwards

visual distortion i think

this is why many people prefer to put a few of the leaves flat on something and looking/ photographing them

and this is why herbarium sheets though “dead” are so useful
I have my doubts still
anyway I am happy to see this case in nature and there is always a next time


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Attached images are Stachytarpheta jamaicensis (L.) Vahl.[= S. indica Vahl.].
Date :2/12/2012
Location: Guwahati [Dist- Kamrup(Metro)]
Family : Verbenaceae
Genus & species : Stachytarpheta jamaicensis (L.) Vahl.[= S. indica Vahl.]
Habitat: Grows wild on hilly area
Habit :Shrub
Flower : Blue in colour
Fruits :not seen

I think we should take it as Stachytarpheta cayennensis (Rich.) Vahl in view of the links provided by … as below along with Factsheet links, for the time being: IFAS, Lucid Central: one, two, three and four



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Stachyterpheta indica (Linn.) Vahl. : 5 posts by 4 authors. Attachments (1).

Plant Name: Stachyterpheta indica (Linn.) Vahl.

Family: Verbenaceae

Date/Time- November 2008

Location- Place, Altitude, GPS- Panchmari Reserve Forest, Panchmari (Madhya Pradesh)

Habitat- Garden/ Urban/ Wild/ Type- Wild

Plant Habit- Tree/ Shrub/ Climber/ Herb-  Herbaceous.

Height/Length- 0.5- 2.0meters

Stachyterpheta indica (Linn.) Vahl commonly known as Indian Snakeweed is a terrestrial, annual or perennial, erect subshrub, up to 2 m tall. Taproot white or brown. Stem quadrangular, solid, glabrous or hairy. Stipules absent. Leaves simple, not lobed or divided, opposite, stalked, elliptic or ovate, more than 2 cm long/wide, usually airy on both sides, margin coarsely dentate, apex acute or obtuse, base obtuse our rounded, pinnately veined. Stalkless blue flowers appear in a slender terminal spike, petals 5, blue, with white throat. Fruit is a nut.


As per GRIN & WCSP, Stachytarpheta indica (L.) Vahl does not have range in India.          

Different book references as below points to Stachytarpheta jamaicensis (I..) Vahl S. indica auct. non (L.) Vahl, being found in India:
Flora of Ranga Reddi District Andhra Pradesh, India By T. Pullaiah, M. Silar Mohammed (2000)

It is Stachytarpheta jamaicensis (L.), Native of Tropical America. In Bangladesh it is an ornamental plant mostly found Cox’s Bazar area


It may be Stachyterpheta indica.
Family: Verbenaceae


Stachyterpheta indica is Synonyms


I think we should take it as Stachytarpheta cayennensis (Rich.) Vahl in view of the links provided by … as below along with Factsheet links, for the time being:IFAS, Lucid Central: one, two, three and four


.


Lamiaceae (inc. Verbenaceae) Fortnight: Verbenaceae – Stachytarpheta jamaicensis (L.) Vahl from Assam – KD 12 MAY 2015 : 1 post by 1 author. Attachments (3)

Attached images are Stachytarpheta jamaicensis (L.) Vahl.
Date :2012

Location: Assam


I think we should take it as Stachytarpheta cayennensis (Rich.) Vahl in view of the links provided by … as below along with Factsheet links, for the time being: IFAS, Lucid Central: one, two, three and four



 

Images by tspkumar

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It is my pleasure to share few images of Stachytarpheta jamaicensis  (Verbenaceae 

Habit: Perennial herb 

Habitat: Wild, occurring on wastelands 

Sighting: Mudigere, Chikmagalur, Karnataka, about 1000 msl 

Date: 05-06-2014, 15-08-2014, 20-08-2014, 01-07-2015 and 28-09-2015


same as S. indica according to world checklist. may be … can tell us?


I think we should take it as Stachytarpheta cayennensis (Rich.) Vahl in view of the links provided by … as below along with Factsheet links, for the time being: IFAS, Lucid Central: one, two, three and four



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Lamiaceae & Verbenaceae Week: Stachytarpheta: 7 posts by 3 authors. Attachments (4)

Please help to identify this Stachytarpheta sp.
Date: 10 May 2011
Location: Sirumalai, Dindigul dist. TN
Alt: 1500 msl
found in open forest

Is this the same as … posted earlier? Please refer: efi thread


your plant is stachytarpheta indica Vahl


could this be Jamaican species… I have seen it in a herbal garden in
southern suburbs of calcutta a few years ago…
I guess it could be Stachytarpheta jamaicensis of Verbenaceae
family.???  I was told than, all those years ago that it was a kind of
catmint??? or related to catmint… dont even have my hurriedly jotted
down notes now… but my brain seems to have stored this piece …
I wonder what would … say?


I think we should take it as Stachytarpheta cayennensis in view of the links provided by … as below along with Factsheet links, for the time being: IFAS, Lucid Central: one, two, three and four



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identification of flowers of some of them- 6 : 6 posts by 2 authors. Attachments (1) – 1 MB.
BISLE of sakaleshwarapur of karnataka grassy blancs

Very nice closeup images, Stachytarpheta with butterfly.

Thank you very much sir, Thumba chennagidhae sir

It is Stachytarpheta jamaicensis (L.) Vahl,  of Verbenaceae

I think more closer to images at Stachytarpheta cayennensis rather than those at Stachytarpheta jamaicensis

yes You are perfectly correct; the leaf, spike are similar to Stachytarpheta cayennensis (Rich.) Vahl,

thank you for correcting me

.


Flower for Id pl. Is this Stachytrapheta ? Which species ?
Location – Sawantwadi (South Konkan,Maharashtra)

Date – March 2021


Yes Stachytarpheta indica

Butterflies favourite


Also check for Stachytarpheta jamaicensis.


Stachytarpheta indica (L.) Vahl


Thanks …  However, both the species images look like same in the NET.  I am interested to know the key difference between the two species.


Pl. check comparative images in efi site.


Stachytarpheta indica


This is Stachytarpheta cayennensis (Rich.) Vahl as per details herein and as per comparative images at Stachytarpheta
Looks different from S.indica as per images and distribution at POWO


Thanks …, but i can’t make out the key difference.



References:

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