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Desmos lawii

Desmos lawii (Hook. f. & Thomson) Saff., Bull. Torrey Bot. Club 39: 506 1912. (Syn: Unona lawii Hook.f. & Thomson);
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DES-mos — Greek: desmos (band or chain) … Dave’s Botanary
LAW-ee-eye — named in honour of J. S. Law, ICS and botanist
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commonly known as: Sahyadri ylang-ylang • Malayalam: കാരപ്പൂമരം karappumaram • Marathi: रान चाफा ran chapha
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Young shoots sericeus tomentose. Leaves 9-13 x 3-4 cm, ovate-oblong, apex acute, base rounded, glaucous below, nerves 8 pairs. Flowers solitary, axillary; pedicels 2-4 cm long, slender, bracteate; sepals to 9 x 6 mm, obovate, pubescent, yellowish green; petals biseriate, 5-7 x 0.5 cm, linear-oblong, pubescent; stamens 1 mm long; ovaries many, densely hairy, stigma globose, red. Fruitlets to 7 x 6 mm, globose-oblong, stipitate, beaked; seeds globose; stipe 1 cm long, slender.

Flowering and fruiting: October-January
Evergreen and semi-evergreen forests
South India and Sri Lanka

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via Species‎ > ‎D‎ > ‎ Desmos lawii (Hook.f. & Thoms.) Saff. … family: Annonaceae
Flowers of India Discussions at efloraofindia more views in flickr more views on Google Earth
DES-mos — Greek: desmos (band or chain) … Dave’s Botanary
LAW-ee-eye — named in honour of J. S. Law, ICS and botanist
commonly known as: Sahyadri ylang-ylang • Malayalam: കാരപ്പൂമരം karappumaram • Marathi: रानचाफा ranchapha
botanical names: Desmos lawii (Hook.f. & Thoms.) Saff. … synonym: Unona lawii Hook.f. & Thoms.
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Photographed at Akala Gavi, Ulavi, Karnataka on 25 MAY 13
Many thanks to … for the ID.
More views of the sighting …

Desmos chinensis Lour.

DES-mos — Greek: desmos (band or chain) … Dave’s Botanary
chi-NEN-sis — of or from China … Dave’s Botanary

commonly known as: dwarf ylang-ylang, Sahyadri ylang-ylang • Assamese: জোৰ লেৱা joorlewa • Malayalam: കാരപ്പൂമരം karappumaram • Marathi: रानचाफा ranchapha • Mizo: zunin-damdawi • Nepali: माले लहरा maale lahara

botanical names: Desmos chinensis Lour. … synonyms: Desmos chinensis var. lawii (Hook.f. & Thomson) Bân • Desmos lawii (Hook.f. & Thomson) Saff. • Unona lawii Hook.f. & Thomson … and many more synoyms listed at POWO

Bibliography / etymology

~~~~~ ENGLISH ~~~~~
dwarf ylang-ylang
Sahyadri ylang-ylang
  • for synonym Desmos lawii (Hook.f. & Thomson) Saff. … this name is based on the distribution of plant in the Western Ghats (Sahyadri) of India ranging to Sri Lanka; the yellowish-green flowers are similar to those of ylang-ylang, a name given to flowers of Cananga odorata (Lam.) Hook.f. & Thomson … Wikipedia
~~~~~ ASSAMESE ~~~~~

বন চেনিচম্পা ban chenichampa
  • Many thanks to Farmer Tridip Gogoi for help with this name … facebook
জোৰ লেৱা joorlewa
  • Many thanks to Brahmananda Patiri for help with this name … facebook
~~~~~ KANNADA ~~~~~
ಕರಿಬೀಳು karibeelu
~~~~~ MALAYALAM ~~~~~
കാരപ്പൂമരം karappumaram
~~~~~ MARATHI ~~~~~
रान चाफा ran chapha
  • for synonym Desmos lawii (Hook.f. & Thomson) Saff. … Further Flowers of Sahyadri, a field guide to identify flowers of northern Western Ghats of India by Shrikant Ingalhalikar
~~~~~ MIZO ~~~~~
zunin-damdawi
~~~~~ NEPALI ~~~~~
माले लहरा maale lahara
~~~~~ TAMIL ~~~~~
no given name
~~~~~ TELUGU ~~~~~
no given name
~~~~~ DISTRIBUTION ~~~~~
  • for Desmos chinensis Lour. … global distribution: s China to tropical Asia … POWO
  • for synonym Desmos lawii (Hook.f. & Thomson) Saff. … endemic distribution: Maharashtra, Karnataka, Kerala, Tamil Nadu, Andhra Pradesh … Karnataka Biodiversity Board, 2019. FLORA OF KARNATAKA, A Checklist, Volume – 2: Gymnosperms and Angiosperms. 1 – 1002 (Published by Karnataka Biodiversity Board)
~~~~~ x ~~~~~
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Desmos lawii (Hook.f. & Thoms.) Saff.
at Akala Gavi on 25 MAY 13

Nice pictures of Desmos lawii

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Annonaceae of central WG (Goa, Karnataka) – 1. Desmos lawii : 1 post by 1 author. Attachments(5).
The form of the corolla seems to be quite variable in this species. There is another species D. viridiflorus distributed in Kerala, but the differences seem very unclear to me. Anybody on the group seen D. viridiflorus?
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This climbing Shrub was spotted en-route ” Aakalu Gavi Caves, Ulavi, Karnataka”.
Bot. name: Desmos lawii
Family: Annonaceae.
Local name: Ranchapha

Another very good upload.

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Akala Gavi :: Desmos lawii :: DVFEB12/45 : 1 post by 1 author.
Akala Gavi … Yellapur, Karnataka
Date: 25 MAY 2013 … Altitude: about 580 m asl
Desmos lawii (Hook.f. & Thoms.) Saff. … (family: Annonaceae) 

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Family: Annonaceae
Date: 5th April 2015
Place: Agumbe, Karnataka
Habit: Shrub

So far as I know, it is a variable species.

Both are different as per
A conspectus of Indo-Burmese Annonaceae by I. M. Turner- Nordic Journal of Botany 33: 257–299, 2015-

Species in India with distribution:

Desmos chinensis Lour.- India; Bhutan; Bangladesh; Burma
Desmos dumosus (Roxb.) Saff.- India [West Bengal, Assam, Tripura, Mizoram]; Bhutan; Bangladesh; Burma 
Desmos lawii (Hook. f. & Thomson) Saff.- India [Maharashtra, Karnataka, Kerala, Tamil Nadu] 
……………………………………………………………..
Which one you are referring to here ?

I am attaching herewith an image of the possible isolectotype of Desmos lawii downloaded from the website of Kew herbarium (K 000691354) for comparison.  Image of the  lectotype is available at the website of Gray Herbarium (GH 00039292).  While Desmos chinensis is a widespread species, the other, i. e. D. lawii, recognized by Ian Turner (2015) as a distinct species, is restricted to peninsular India.  The latter was once merged with D. chinensis with a varietal status.
Coming back to the present images, having some acquaintance with the species of Desmos and the variations exhibited by D. chinensis, I would like to support the view of Turner (2015) that D. lawii may be treated as a distinct species, restricted to peninsular India, differing consistently from D. chinensis in the much shorter sepals and the linear rather than lanceolate petals.  While D. lawii is very common in Karnataka, D. chinensis is rather scarce in peninsular India.
The present images match well with the type specimens of D. lawii.

Thank you very much … for bringing up this descrepancy. Thank you too, for clarifying, …

 

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References:
A conspectus of Indo-Burmese Annonaceae by I. M. Turner- Nordic Journal of Botany 33: 257–299, 2015
POWO (Desmos chinensis Lour.) Catalogue of Life (Desmos chinensis var. lawii (Hook. f. & Thomson) Bân)
The Plant List Ver.1.1  Dinesh Valke’s Flickr Post  Flowers of India  India Biodiversity Portal
A synopsis of Annonaceae in Indian subcontinent 
Updated on December 24, 2024

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