''Pterospermum'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

s in the mallow family

Malvaceae Malvaceae, or the mallows, is a family of flowering plants estimated to contain 244 genera with 4225 known species. Well-known members of economic importance include okra, cotton, cacao and durian. There are also some genera containing familiar ...

. Its species are tropical trees that range from southern China across tropical Asia. Traditionally included in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Sterculiaceae Sterculiaceae was a family of flowering plant based on the genus ''Sterculia''. Genera formerly included in Sterculiaceae are now placed in the family Malvaceae, in the subfamilies: Byttnerioideae, Dombeyoideae, Helicteroideae and Sterculioideae. A ...

, it is included in the expanded

in the APG and most subsequent systematics. ''Pterospermum'' is based on two Greek words, "

Pteron Pteron ( Gr. ''πτερον'' – ''pteron'' — ''wing'') is an architectural term used by Pliny the Elder for the peristyle of the tomb of Mausolus, which was raised on a lofty podium, and so differed from an ordinary peristyle raised only on a s ...

" and " Sperma," meaning "winged seed." Some species are grown ornamentally while others are valued for their timber.

Species

To date, the following species names have been ''resolved

*'' Pterospermum acerifolium'' (L.) Willd. *''

Pterospermum diversifolium ''Pterospermum'' is a genus of flowering plants in the mallow family Malvaceae. Its species are tropical trees that range from southern China across tropical Asia. Traditionally included in the family Sterculiaceae, it is included in the expand ...

'' Blume *''

Pterospermum grewiifolium ''Pterospermum grewiifolium'' is a tree species, now placed in the family Malvaceae: in the subfamily Dombeyoideae (previously placed in the Sterculiaceae) and described by Jean Baptiste Louis Pierre.Pierre JBL (1888) ''In: Fl. For. Cochinch. Fas ...

'' Pierre *''

Pterospermum heterophyllum ''Pterospermum'' is a genus of flowering plants in the mallow family Malvaceae. Its species are tropical trees that range from southern China across tropical Asia. Traditionally included in the family Sterculiaceae, it is included in the expand ...

'' Hance *'' Pterospermum kingtungense'' C.Y. Wu ex H.H. Hsue *''

Pterospermum lanceifolium ''Pterospermum'' is a genus of flowering plants in the mallow family Malvaceae. Its species are tropical trees that range from southern China across tropical Asia. Traditionally included in the family Sterculiaceae, it is included in the expand ...

'' Roxb. ex DC. *''

Pterospermum megalocarpum ''Pterospermum'' is a genus of flowering plants in the mallow family Malvaceae. Its species are tropical trees that range from southern China across tropical Asia. Traditionally included in the family Sterculiaceae, it is included in the expand ...

'' Tardieu *'' Pterospermum menglunense'' H.H. Hsue *''

Pterospermum niveum ''Pterospermum'' is a genus of flowering plants in the mallow family Malvaceae. Its species are tropical trees that range from southern China across tropical Asia. Traditionally included in the family Sterculiaceae, it is included in the expand ...

'' Vidal *''

Pterospermum proteus ''Pterospermum'' is a genus of flowering plants in the mallow family Malvaceae. Its species are tropical trees that range from southern China across tropical Asia. Traditionally included in the family Sterculiaceae, it is included in the expand ...

'' Burkill *'' Pterospermum reticulatum'' Wight & Arn. *''

Pterospermum suberifolium ''Pterospermum suberifolium'', or the cork-leaved bayur, is a species of evergreen flowering plant in the family Malvaceae. It is found only in India and Sri Lanka. Leaves are irregularly oblong; subcordate, rounded or oblique; apex acuminate; wi ...

'' (L.) Willd. *''

Pterospermum thorelii ''Pterospermum'' is a genus of flowering plants in the mallow family Malvaceae. Its species are tropical trees that range from southern China across tropical Asia. Traditionally included in the family Sterculiaceae, it is included in the expand ...

'' Pierre *''

Pterospermum truncatolobatum ''Pterospermum'' is a genus of flowering plants in the mallow family Malvaceae. Its species are tropical trees that range from southern China across tropical Asia. Traditionally included in the family Sterculiaceae, it is included in the expand ...

'' Gagnep. *''

Pterospermum yunnanense ''Pterospermum yunnanense'' is a species of flowering plant in the family Malvaceae. It is found only in Yiwa, Mengla County and Youluo Mountain, Jinghong in Yunnan, China China, officially the People's Republic of China (PRC), is a coun ...

'' H.H. Hsue

Images

File:Kanak Champa (Pterospermum acerifolium) trunk in Kolkata W IMG 2930.jpg, Trunk in

Kolkata Kolkata (, or , ; also known as Calcutta , the official name until 2001) is the capital of the Indian state of West Bengal, on the eastern bank of the Hooghly River west of the border with Bangladesh. It is the primary business, comme ...

West Bengal West Bengal (, Bengali: ''Poshchim Bongo'', , abbr. WB) is a state in the eastern portion of India. It is situated along the Bay of Bengal, along with a population of over 91 million inhabitants within an area of . West Bengal is the fourt ...

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

. File:Kanak Champa (Pterospermum acerifolium) tree in Kolkata W IMG 2934.jpg, Tree in

. File:Kanak Champa (Pterospermum acerifolium) leaves in Kolkata W IMG 2937.jpg, Leaves in

. File:Kanak Champa (Pterospermum acerifolium) leaves in Kolkata W IMG 2935.jpg, Leaves in

. File:Kanak Champa (Pterospermum acerifolium) dry leaf in Kolkata W IMG 2932.jpg, Dry leaf in

. File:Kanak Champa (Pterospermum acerifolium) at Jayanti, Duars, West Bengal W IMG 5316.jpg, Leaves at Jayanti in

Buxa Tiger Reserve , photo = Buxa Tiger Reserve forest 2014.jpg , iucn_category = II , map = India West Bengal , map_width = , label = Buxa NP , label_position = right , location = West Bengal, India , nearest_city = Alipurduar , coordinates = , area_km ...

Jalpaiguri Jalpaiguri is a city in the Indian state of West Bengal. It is the headquarters of the Jalpaiguri district as well as of the Jalpaiguri division of West Bengal, covering the jurisdiction of the five districts of North Bengal. The city is loca ...

district of

. File:Kanak Champa (Pterospermum acerifolium) at Jayanti, Duars, West Bengal W IMG 5314.jpg, Leaves at Jayanti in

district of

References

Malvaceae genera Indomalayan realm flora {{rosid-tree-stub