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Triumfetta pentandra A.Rich., Fl. Seneg. Tent. 1: 93 1831. (syn. Triumfettaneglecta Wight & Arn.);
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tree-um-FET-a — named for Giovanni Battista Triumfetti, professor of botany … Dave’s Botanary
pen-TAN-druh — bearing five stamens … Dave’s Botanary . commonly known as: fivestamen burbark • Marathi: निचर्डी nichardi • Telugu: చిరు సిత్రిక chiru sitrika .
Distribution: tropical Africa, Pakistan, India, Sri Lanka
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As per efi thread: Differences between these two species is mainly based on whether spines on the capsule is glabrous (Triumfetta rhomboidea) or with a line of spreading hairs on the dorsal side (Triumfetta pentandra). ON going through the posts in efi I find it is very difficult to check this with naked eyes.
Other factor is the number of stamen in the flowers, about which different sources talk about differently as below:
Most of our postings show 10 stamen. In view, I feel that we should take all these posts as Triumfetta rhomboidea and not Triumfetta pentandra.      Triumfetta rhomboidea ? : Attachments (5). 4 posts by 4 authors. … to me this looks to be T. pentandra. photos at my photostream: http://www.flickr.com/search/Triumfettapentandra 00
… flowers, about 0.5 cm, more crowded near the apex of stem, the leaves are also different. (not able to decribe)
T. rhomboidea photos at http://www.flickr.com/search/Triumfetta+rhomboidea xt
… the flowers are relatively larger, about 1 – 1.2 cm, are found along the stem at regular intervals.
…, please wait for comments, a small chance that I am mistaking. To me the flowers seem to have five stamens, and evidently T. pentandra. Most specimens identified as T. rhomboidea, really belong to T. pentandra, having 5-10 stamens. The spines on capsule should have spreading hairs.
InT. rhomboidea there are 10-20 stamens and spines are glabrous. Good information sir, much thanks.
Pachmarhi … about 3600 feet ft asl
Date / Time: 18 SEP 13 at 01:02 PM … Altitude: about 3670 ft asl
Triumfetta pentandra A. Rich. … (family: Malvaceae; also placed in Tiliaceae)
Dear friends, there must be some name in Hindi for this plant. I could see this plant in many places of Pachmarhi. … a view from Priyadarshini Point (Forsyth Point) … named for Captain James Forsyth of the British Army … Wikipedia.
can you explain how to distinguish between Triumfetta pentandra and T. rhomboidea apart from counting the stamens? … flowers of T. pentandra are just about the size of its fruits – about 5 – 7 mm dia … you may take a look in the photo above. thank you …, this is very helpful. … the petals almost as long as sepals holds good for all the three (annua, pentandra, rhomboidea) flowers that I am familiar with – in the forests around Mumbai. I think some species of plants got missed out during colonial times – whatever the small list, it would be interesting to build the list. Dr. Almeida in his ‘Flora of Maharashtra’, Vol 1 lists 5 species of Triumfetta :
1.T.pilosa
2.T.rhomboidea
3.T.pentandra
4.T.rotundifolia
5.T.annua
Am familiar with the first three.
While T.pentandra is an annual undershrub, T.rhomboidea & T.pilosa are perennial herbs.
Besides other features, Dr. Almeida differntiates the 3 mainly on the morphology of their fruit.
–T.pilosa has fruit with hispid bristles.
–T.rhomboidea has globose fruit with sharp bristles.
–T.pentandra has ovoid fruit with sharp bristles ciliate down one side.
Have these 3 on my property at Shahapur. Have also encountered T.pentandra in the Borivali National Park. My photographs of T.pilosa are available at this link
For T.rhomboidea please check theselinks Thank you … for the additional information and the links. Many thanks … for the links to Triumfetta species.
Names of Plants in India :: Triumfetta pentandra A.Rich. : 2 posts by 2 authors.
Can you check the number of stamen here ? I am unable to find out. I too am unable to count because of picture quality. I think fruits are too young and may develop more (?).
But I will go with you under the present circumstances.
Triumfetta pentandra [T.neglecta] – indiantreepix | Google Groups : 1 post by 1 author. Attachments (1) Sending photographs of some of the plants identified by him. My apologies for the poor quality of the photographs as I was too busy recording what the great man was saying.       Is this Triumfetta rhomboidea ?: I think Triumfetta pentandra A.Rich. as per keys herein. Yes …, u r right. This is mine from Janjam district of Orissa I think Triumfetta pentandra A.Rich. as per keys herein. To me too, … posted plant is T. pentandra; however … posted plant is T. rhomboidea. Yes, … I agree with you. Five stamen in … case along with ovoid fruits. I can see 10 stamen in … case. . Differences between Triumfetta rhomboidea & Triumfetta pentandra : 10 posts by 3 authors.
Differences between these two species is mainly based on whether spines on the capsule is glabrous (Triumfetta rhomboidea) or with a line of spreading hairs on the dorsal side (Triumfetta pentandra). ON going through the posts in efi I find it is very difficult to check this with naked eyes.
Other factor is the number of stamen in the flowers, about which different sources talk about differently as below:
Most of our postings show 10 stamen. In view, I feel that we should take all these posts as Triumfetta rhomboideaand not Triumfetta pentandra.
Awaiting your feedback pl.
I had posted 3 species of Triumfetta found commonly in northern Western Ghats, for validation and comparison. Yes, flower with 5 stamens can be considered as Triumfetta pentandra; further the capsule is ovoid in T.pentandra; it is globular in T.rhomboidea. Thanks, … … is saying opposite of what you said regarding fruits. Eflora of Pakistan, eflora of Zimbabwe, kew says fruit is ovoid in T.pentandra; it is globular in T.rhomboidea I and … are saying the same about the fruits … I used the word spherical for globular. Sorry, …, for the misunderstanding. Yes you are right. . Wild Plant for ID : Nasik : 26NOV20 : AK-27 : 3 images.
A plant seen growing wild. Triumfetta Species, may be Triumfetta pentandra suggested by … Looks close. Full frontal of leaf images would have been more easier to ID. Thanks … I could find one more image. … is correct . Triumfetta Species : Way to Nasik : 22DEC21 : AK – 20: 4 images.
Triumfetta Species seen in Kasara Ghat, also known as Thal Ghat, on the way to Nasik. Pictures taken in the first week of Oct, 2021. Triumfetta rhomboidea Jacq. We have to check no. of stamens before confirmation or otherwise. Little difficult to make out. Pl. post high res. image, where it is possible to judge the no. of stamens. Adding.. Not very clear. But stamens may be around 5 in no. . Triumfetta pentandra A.Rich. :: Waghbil, Thane, Maharashtra :: Oct 30, 2010 · 8:41 AM IST: 5 images. .
Triumfetta pentandra A.Rich. :: Waghbil, Thane, Maharashtra :: Sep 27, 2008 · JUN23 DV96: 1 image. Triumfetta pentandra A.Rich.
Waghbil, Thane, Maharashtra :: Sep 27, 2008 · 3:02 PM IST :: about 3 m (10 ft) asl
. References:
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