{"id":1402695,"date":"2011-03-05T16:04:37","date_gmt":"2011-03-05T16:04:37","guid":{"rendered":""},"modified":"2024-12-24T13:15:39","modified_gmt":"2024-12-24T07:45:39","slug":"heterostemma-dalzellii","status":"publish","type":"ht_kb","link":"https:\/\/efloraofindia.com\/efi\/heterostemma-dalzellii\/","title":{"rendered":"Heterostemma dalzellii"},"content":{"rendered":"
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Heterostemma<\/i> dalzellii<\/i> Hook.f., Fl. Brit. India 4: 48 1883<\/i>.;<\/div>\n
.<\/span><\/div>\n
het-er-oh-STEM-uh<\/b> — from the Greek heteros<\/i> (different) and stemma<\/i> (garland, crown)
\n\u00bf del-ZEL-ee-eye<\/b> ? — named for N. A. Dalzell, collaborator with Gibson, of Bombay Flora<\/span><\/div>\n
.<\/span>
\ncommonly known as<\/b>: Dalzell’s heterostemma
\n.<\/span><\/div>\n
Endemic to<\/b>: Western Ghats of India
\n,<\/span>
\n<\/span>Please note the variance in leaves’ size, shape; and in the colour of\u00a0the flower.\u00a0<\/span><\/div>\n
\n

Note the change in colour of central structure of the flowers.<\/span>\u00a0<\/span><\/span><\/p>\n

Flowers are little over half inch (about 15 mm) across.<\/span><\/div>\n<\/div>\n
,<\/span><\/div>\n
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DV :: 2007 – 2011 :: Heterostemma dalzellii in and around Mumbai<\/a>:\u00a0\u00a0Heterostemma dalzellii<\/i> Hook.f.<\/div>\n
het-er-oh-STEM-uh — from the Greek heteros (different) and stemma (garland, crown)
\n\u00bfdel-ZEL-ee-eye ? — named for N. A. Dalzell, collaborator with\u00a0Gibson, of Bombay Flora<\/span><\/div>\n
[image: Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\nSep 13, 2009, Yeoor Hills (part of Sanjay Gandhi National Park)<\/div>\n
commonly known as: Dalzell’s heterostemma
\n<\/b>Endemic to: Western Ghats (of India)<\/span><\/div>\n
… more views at various times and places:<\/div>\n
\u00a0Please note the variance in leaves’ size, shape; and in the colour of\u00a0the flower.
\nNote the change in colour of central structure of the flowers.<\/span><\/div>\n
Flowers are little over half inch (about 15 mm) across.<\/span>
\nJul 24, 2011 … Yeoor Hills
\n[image: Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n[image:\u00a0Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n– Sep 19, 2010 … Yeoor Hills
\n[image: Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n– Jul 18, 2010 … Yeoor Hills
\n[image: Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n[image:\u00a0Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n[image:\u00a0\u00a0\u00a0\u00a0Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n[image:\u00a0\u00a0\u00a0Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n[image:\u00a0\u00a0\u00a0\u00a0Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n– Aug 16, 2009 … Yeoor Hills
\n[image: Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n[image:\u00a0\u00a0\u00a0\u00a0Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n[image:\u00a0\u00a0\u00a0\u00a0Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n[image:\u00a0\u00a0\u00a0\u00a0Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n[image:\u00a0\u00a0\u00a0\u00a0Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n– Oct 9, 2008 … Tungareshwar Wildlife Sanctuary
\n[image: Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n[image:\u00a0\u00a0\u00a0\u00a0Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n[image:\u00a0\u00a0\u00a0\u00a0Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n– Sep 27, 2008 … Tungareshwar Wildlife Sanctuary
\n[image: Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n[image:\u00a0\u00a0\u00a0\u00a0Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n[image:\u00a0\u00a0\u00a0\u00a0Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n[image:\u00a0\u00a0\u00a0\u00a0Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n– Aug 26, 2007 … Silonda Trail, Sanjay Gandhi National Park
\n[image: Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n[image:\u00a0\u00a0\u00a0\u00a0Heterostemma dalzellii]<http:\/\/www.google.com\/url?q=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fdi…<\/span><\/a>>
\n[image:\u00a0\u00a0\u00a0\u00a0Heterostemma dalzellii<\/a>]<>
\n– Aug 15, 2007 … Tungareshwar Wildlife Sanctuary
\n[image: Heterostemma dalzellii<\/a>]<>
\n[image:\u00a0\u00a0\u00a0\u00a0Heterostemma dalzellii<\/a>]<>
\n[image:\u00a0\u00a0\u00a0\u00a0Heterostemma dalzellii<\/a>]<><\/div>\n
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Heterostemma \u00bf species ?<\/a> : 7 posts by 3 authors. Attachments (10)<\/span><\/div>\n
\n
I find this plant at deciduous forests <\/span>of Northern Konkan: Tungareshwar Wildlife Sanctuary and\u00a0Sanjay Gandhi National Park.<\/span><\/div>\n
… attached photos with file names having location and the\u00a0dates.<\/div>\n
I have referred Ingalhalikar ji’s Further Flowers of Sahyadri. The book has 3 Heterostemma<\/i> species illustrated, of which 2 are very close what I have found.<\/div>\n
Page 345\u00a0and 348 show H. dalzellii<\/i> and H. tanjorense<\/i> respectively.<\/div>\n
H. dalzellii<\/i> is distributed in deciduous forests of Northern Konkan<\/span><\/div>\n
And, H. tanjorense<\/i> in evergreen forests of southern hills of\u00a0Sahyadri.<\/span><\/div>\n
Today’s find at Yeoor Hills (part of Sanjay Gandhi National Park), I discovered that the central structure of the flower changes colour.<\/div>\n
\n
I have started thinking it to be H. dalzellii<\/i> based on distribution and appearance-wise (earlier had thought it to be H. tanjorense<\/i>).<\/div>\n
\n

Since it is not ditto as shown in the book, ID please … it could be some other species of Heterostemma<\/i> not known to me.<\/p>\n

\n<\/div>\n<\/div>\n

I hope you now get to see the attachments.<\/span><\/p>\n<\/div>\n

\n
As put in the message above, I found Heterostemma<\/i> plants\u00a0in large numbers — about 10 -12 separate places along a trail in\u00a0Yeoor Hills, last Sunday (16 AUG)<\/span><\/div>\n
At Tungareshwar, I have not found the plant this year yet; perhaps yet to flower.<\/div>\n
In the photos above, point to notice is the central structure of flower changing its colour from cream to golden yellow to maroon.<\/span><\/div>\n
\n

To avoid confusion, I have not added photos in which, the petals (I hope, they are petals) are of maroon colour … not sure whether it is just a change due to ageing of flowers OR a different species of Heterostemma<\/i>.<\/p>\n

\n<\/div>\n<\/div>\n
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I\u00a0have collected this plant from SGNP, Borivali
\nand it came out to be Heterostemma dalzellii<\/b><\/i> Hook.f. in Fl. Brit. India 4: 48, 1883; Cooke, Fl. Pres. Bombay 2: 232, 1958 (Repr.); Almeida, Fl. Mah. 3: 246, 2001; Singh et al, Fl. Mah. St. 2: 365, 2001.
\nSynonyms: H. wallichii<\/i> Dalz. & Gibs., Bombay Fl. 152, 1861.<\/p>\n

\n
Thank you very much, …<\/div>\n
\n

This was an important identification for me, pending since long, oscillating between H. dalzellii<\/i> and H. tanjorense<\/i>.<\/p>\n

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ENDEMIC :: Asclepiadaceae (milkweed family) ~ Apocynaceae \u00bb Heterostemma dalzellii<\/a> : 7 posts by 6 authors. Attachments (5)<\/span><\/div>\n
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Asclepiadaceae (milkweed family) ~ Apocynaceae \u00bb Heterostemma dalzellii<\/i>
\nSynonym: Heterostemma wallichii<\/i>
\nhet-er-oh-STEM-uh<\/b> — from the Greek heteros<\/i> (different) and stemma<\/i> (garland, crown)
\n\u00bf del-ZEL-ee-eye<\/b> ? — named for N. A. Dalzell, collaborator with Gibson, of Bombay Flora<\/span>
\ncommonly known as<\/b>: Dalzell’s heterostemma
\nEndemic to<\/b>: Western Ghats of India
\n<\/span>Attached views from Yeoor Hills (part of Sanjay Gandhi National Park)
\n… for more views: http:\/\/www.flickr.com\/search\/?w=91314344%40N00&q=Heterostemmadalzellii&m=tags<\/span><\/a><\/p>\n

\n

I think this plant is considered rare and endemic to the region<\/p>\n

\n

Heterostemma<\/i> earlier known by Oianthus deccanense<\/i>, three to four sp. found in Maharashtra<\/p>\n

H. dalzelli<\/i><\/div>\n
H. urceolatus<\/i><\/div>\n
\n

and more I forgot<\/p>\n

\n

Heterostemma dalzellii<\/i> Hook.f. Fl. Brit. India 4: 48. 1883.<\/p>\n<\/div>\n

\n

Very interesting generic name. I couldnt make out why they are called Heterostemma<\/i>. I mean what is the difference in crowns?<\/p>\n

\n

What I could find from internet …from
\nA book called “Contributions to the botany” by Robert Wight
\nArchive<\/a><\/span><\/p>\n<\/div>\n

\n

Owing to the variable nature of the corona in this genus, we have been under the necessity of making its essential character rest on the form and structure of the pollen masses (which resemble those of Stapelia and its allies), and the twinig habit. Each of the species referred to this genus has a form of the crown peculiar to itself: the first has the leaflets dilated, entire, and spreading, with the interior pro-cess similar in form but smaller ; the second has them obcordate, much dilated, with the margins free and overlapping, and the interior process erect flesh j, incumbent on and nearly equalling the gynostegium in height; in the third thej are furnished with a subulate tooth or horn on the back, wmle the interior process is re- duced to a mere gland.<\/span><\/p>\n

\n

Thats really great. Thanks for the information….<\/p>\n

\n

Yes … This is also what I found out
\nA new universal etymological technological, and pronouncing dictionary of the English language……..by Craig
\n<\/span>Corona in each of the \u00a0species is different.<\/span><\/p>\n<\/div>\n

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\"\/wp-content\/uploads\/2020\/10\/Oianthus%20deccanensis%204.jpg\"<\/a><\/div>\n
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\n

Oianthus sp.:<\/a><\/p>\n

This would probably be identified by our members as Heterostemma dalzelli<\/i>.<\/div>\n
Spoke to Dr. Almeida & Santosh Yadav. Their take :<\/div>\n
– Heterostemma dalzelli<\/i> is the only species of Heterostemma<\/i> that occurs in Maharashtra and is very rare. In fact, Dr.Almeida claimed that he has till date not actually seen a decent specimen.<\/div>\n
– what occurs in the Borivali N.P.<\/span> is most likely a species of Oianthus.<\/div>\n
– further study is required.<\/div>\n
\n

Sending a few of my photographs.<\/p>\n

\n<\/div>\n

how big are the flowers?<\/span><\/p>\n

\n
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1 inch.<\/p>\n

\n

Beautiful flower and a truly attractive colour. Does the petal have protusions? Oianthus<\/i> is now a synonym of Heterostemma<\/i> (by Swarupanandan et. al., 1989). But we have to find out which spiecies it is?<\/p>\n

\n

the plant in question is definately not Heterostemma dalzelli<\/i>. infact we have a altogether different plant of Heterostemma dalzelli<\/i> which is collected from SGNP.<\/p>\n

\n
It should be Heterostemma dalzellii<\/i> Hook.f.<\/span><\/a><\/span> as per link: Dinesh Valke<\/span><\/a> <\/span><\/span><\/span><\/span><\/div>\n
\n

Also Heterostemma decanense<\/b><\/span><\/a>\u00a0<\/b>(syn: Oianthus deccanensis<\/span><\/a><\/i>) is much different.<\/p>\n

\n

Heterostemma dalzellii<\/span><\/i><\/b><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

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Climber for ID : Yuwaraj Gurjar Indian Flora – facebook group:<\/a> Posting what is unidentified on Indian Flora facebook group, uploaded by … The climber was clicked in September` 2012, in deciduous forest of Nagla Block – Sanjay Gandhi National Park (Maharashtra).<\/span> please advice the ID<\/p>\n

\n

… most probably Heterostemma dalzellii<\/i> Hook.f. (family Apocynaceae<\/i>)<\/p>\n

\n

we had similar discussion on Indian Flora<\/p>\n

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It’s Heterostemma<\/i> species …<\/p>\n

\n

The posted Heterostemma<\/i> species leaves are not matching with H.dalzelli<\/i>….i suppose ..<\/p>\n

\n

…, you could be correct with your doubt.
\nI have noticed these flowers and plant for about 4 – 5 times, flowers changing their colours as per age, leaves too being variable. At base they are quite large with irregular shape as well as randomly sunk and raised surface; upper leaves getting smaller in size and shape getting regular.
\n<\/span>Will wait for comment(s).
\nMe too keen on knowing this plant, and whether there is any other species in SGNP of Heterostemma<\/i>.<\/p>\n

\n

This is Oianthus deccanensis<\/i>. My photographs and our previous discussion on this are available in the archives of this group.<\/p>\n

\n

My photographs and our previous discussion on this are available at this link<\/a><\/p>\n<\/div>\n<\/div>\n

\n
\n
It should be Heterostemma dalzellii<\/i> Hook.f.<\/span><\/a><\/span> as per link: Dinesh Valke<\/span><\/a>
\n<\/span><\/span><\/span><\/span>Also <\/span>Heterostemma decanense<\/b><\/span><\/a>\u00a0<\/b>(syn: <\/span>Oianthus deccanensis<\/span><\/a><\/i>) is much different.<\/span><\/div>\n
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It is\u00a0<\/span>Heterostemma dalzellii<\/i><\/span><\/a>\u00a0only<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

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.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n

References:<\/div>\n
http:\/\/www.theplantlist.org\/tpl\/record\/kew-2848519<\/a><\/div>\n
Flowers of India<\/a><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Heterostemma dalzellii Hook.f., Fl. Brit. India 4: 48 1883.; . het-er-oh-STEM-uh — from the Greek heteros (different) and stemma (garland, crown) \u00bf del-ZEL-ee-eye ? — named for N. A. Dalzell, collaborator with Gibson, of Bombay Flora . commonly known as: Dalzell’s heterostemma . Endemic to: Western Ghats of India ,…<\/p>\n","protected":false},"author":3,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[8690],"ht-kb-tag":[],"class_list":["post-1402695","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-heterostemma"],"_links":{"self":[{"href":"https:\/\/efloraofindia.com\/wp-json\/wp\/v2\/ht-kb\/1402695","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/efloraofindia.com\/wp-json\/wp\/v2\/ht-kb"}],"about":[{"href":"https:\/\/efloraofindia.com\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"https:\/\/efloraofindia.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/efloraofindia.com\/wp-json\/wp\/v2\/comments?post=1402695"}],"version-history":[{"count":0,"href":"https:\/\/efloraofindia.com\/wp-json\/wp\/v2\/ht-kb\/1402695\/revisions"}],"wp:attachment":[{"href":"https:\/\/efloraofindia.com\/wp-json\/wp\/v2\/media?parent=1402695"}],"wp:term":[{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/efloraofindia.com\/wp-json\/wp\/v2\/ht-kb-category?post=1402695"},{"taxonomy":"ht_kb_tag","embeddable":true,"href":"https:\/\/efloraofindia.com\/wp-json\/wp\/v2\/ht-kb-tag?post=1402695"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}