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Pterospermum aceroides Wall. (Andaman Island and Myanmar as per POWO)

 


Pterospermum diversifolium Blume

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BSI Flora of India with details & keys (Volume 3- 1993) (Distribution):

Pterospermum acerifolium (L.) Willd. (India: Throughout warmer regions; often cultivated; Continental Asia, introduced elsewhere)
Pterospermum aceroides Wallich ex Kurz (India: Andaman & Nicobar Islands(Andaman Islands); Myanmar)
Pterospermum diversifolium Blume (India: Maharashtra, Andhra Pradesh, Karnataka, Tamil Nadu and Kerala)
Pterospermum javanicum Jungh. (India: Assam and Meghalaya; Bhutan, Myanmar and Malesia)
Pterospermum lancifolium Roxb. (India: Punjab, Uttar Pradesh, Assam, Meghalaya and Manipur; Nepal, Bangladesh and Myanmar)
Pterospermum obtusifolium Wight ex Masters (India: Karnataka, Tamil Nadu and Kerala; rare)
Pterospermum reticulatum Wight & Arn. (India: In evergreen forests of Western Ghats at low elevations. Karnataka, Tatnil Nadu and Kerala; sometimes planted as a roadside tree)
Pterospermum rubiginosum Heyne ex Wight & Arn. (India: In evergreen forests up to 1000 m, Karnalaka, Tamil Nadu, Kerala and Assam)
Pterospermum semisagittatum Bueh.- Ham. ex Roxb. (India: Bihar, West Bengal, Manipur, Tripura, Orissa and Tamil Nadu; Bangladesh and Myanmar)
Pterospermum suberifolium (L.) Lam. (India: Orissa, Andhra Pradesh, Maharashtra, Karnataka and Tamil Nadu; Sri Lanka and Myanmar)
Pterospermum xylocarpum (Gaertn.) Santapau & Wagh (India: West Bengal, Orissa, Andhra Pradesh, Maharashtra, Karnataka and Tamil Nadu) (syn. Pterospermum suberifolium Willd.)

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As per efi thread:
1. P. acerifolium has 25 cm long peltate leaves and 15 cm long flowers.
2. P. canescens (syn. of Pterosprmum suberifolium (L.) Lam.) has 10 cm long rounded leaves with cream coloured tomentum beneath and 5 cm long flowers,
3. P. xylocarpum has 20 cm long cordate leaves and 5 cm long flowers.

The complete account of Pterospermum species in India is
available in the following document-
Chandra, S.K. 1993. Pterospermum Schreb. Nom. Cons. In; Sharma, B.D.,
Sanjappa, M. and Balakrishnan, N.P. (eds.) Flora of India. Vol-3. Botanical
Survey of India, Calcutta
, Pp.447-454.

This reference provides generic description, keys for identification,
description of species, their local names, flowering and fruiting season and
distribution.
As per this information following 11 species are found in India-
1-Pterospermum acerifolium,
2-P. aceroides,
3-P. diversifolium,
4-P. javanicum,
5-P. lanceifolium,
6-P. obtusifolium,
7-P. reticulatum (mentioned as
‘Rare’ in Indian Red Data Book),
8-P. rubiginosum (line diagram also provided),
9-P. semisagittatum,
10-P. suberifolium,
11-P. xylocarpum.  
Binomial Habit Notes References Distribution Common name
Pterospermum
acerifolium
(L.) Willd.
Tree  Plains,
Cultivated
Matthew, 1999 Chennai,
Kancheepuram, Thiruvallur, Tiruvannamalai
Vennaangu
Pterospermum canescens Roxb. (syn. of Pterospermum suberifolium (L.) Lam.) Tree Dry
Evergreen to Dry Deciduous Forests 
Flora
of Tamil Nadu, VOL. I, 1983
All
districts
Sembolavu,
Sitrillaipolavu, Tada, Vennaangu
Pterospermum diversifolium Blume Tree Western
Ghats, Dry Deciduous Forests
Flora
of Tamil Nadu, VOL. I, 1983
Coimbatore,
Dindigul, Madurai, Theni, Tiruchchirappalli, Tirunelveli
Mooli,
Vattapolavu
Pterospermum obtusifolium Wight ex Mast. Tree Western
Ghats, Dry Deciduous Forests
Flora
of Tamil Nadu, VOL. I, 1983
Coimbatore,
Tirunelveli, Virudhunagar
 
Pterospermum reticulatum Wight & Arn. Tree Western
Ghats, Dry Deciduous Forests
Flora
of Tamil Nadu, VOL. I, 1983; Fischer, 1921
Coimbatore,
Tiruvannamalai
Moolarpolavu,
Polavu
Pterospermum rubiginosum Heyne ex Wight
& Arn.
Tall
Tree
Western
Ghats, Evergreen Forests
Flora
of Tamil Nadu, VOL. I, 1983
Coimbatore,
Kanniyakumari, Tiruchchirappalli, Tirunelveli
Sitrilaipolavu
Pterospermum xylocarpum (Gaertn.) Sant.
& Wagh
Tree Western
Ghats & Eastern Ghats, Dry Deciduous Forests 
Flora
of Tamil Nadu, VOL. I, 1983; Matthew, 1983
Coimbatore,
Cuddalore, Dharmapuri, Kancheepuram,
Salem,  Thiruvallur,
Tiruchchirappalli, Tirunelveli , Tiruvannamalai,  Viluppuram
Polavu

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Botanical name Family Common name
Pterospermum acerifolium Sterculiaceae Kanak Champa

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.
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From Biotik : With complete details & pictures:
Pterospermum diversifolium Blume
Pterospermum reticulatum Wt. & Arn.
Pterospermum rubiginosum Heyne


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Indian Encyclopaedia, Volume 1 edited by Subodh Kapoor (2002) – Details-
Pterospermum semisagittatum
Pterospermum suberifolium Willd. is a syn. of Pterospermum xylocarpum

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.
Forest Plants of Eastern India By Amal Bhusan Chaudhuri (1993)-

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An Excursion Flora of Central Tamilnadu, India By K. M. Matthew (1995)- Details with Keys
Pterospermum suberifolium (L.) Lam.
Pterospermum xylocarpum (syn. Pterospermum heyneanum WALL. EX. WIGHT & ARN.)

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Floriculture in India By Gurcharan Singh Randhawa, Amitabha Mukhopadhyay (1986)- Brief details-
Pterospermum acerifolium

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Trees of Delhi: A Field Guide By Pradip Krishen (2004)-

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Gardening in India By George Marshall Woodrow, G Marshall (1999)- Brief details-

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Pterospermum :  2 posts by 2 authors.

I have updated eFI (efloraofindia) page on Pterospermum

Attempts have been made to incorporate most of the species available in India & nearby areas with details & keys directly or through links as far as possible. It’s quite possible that there may be some discrepancy in the accepted names & synonyms taken from other links.

Species discussed so far in efloraofindia are given at the bottom of the page in the form of links against Subpages. On clicking them one can see all the details.

Any comments/ corrections are welcome.


I have added list of all species of Pterospermum in India as per the Flora of India Vol-3 …... Please see, and if useful, retain.


I have further updated it based on BSI Flora of India with details & keys (Volume 3- 1993)


.

Pl. go through Pterospermum (‎‎‎Malvaceae) page with images of species in efloraofindia.

If you find any incorrect identification, pl. let us know. If anybody can send images of other species of this genera (for incorporation in the website), if any, or can identify unidentified images, it will be really nice.


Superb compilation.


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