Endosamara
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| Binomial name | |
| Template:Taxon infoTemplate:Taxon italics (Roxb.) R.Geesink[1]
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Endosamara is a monotypic genus of flowering plants in the legume family Fabaceae,[1] tribe Wisterieae.[3] Its only species is Endosamara racemosa, a liana found from South India through Indo-China to the Philippines.[1][4]
Description
Endosamara racemosa is a robust twining woody vine. The young stems are green and covered with soft hairs (pubescent); the mature stems are pale brown and hairless. The leaves are evergreen and generally have 6–12 paired leaflets plus a terminal leaflet. The leaflets are Template:Cvt long by Template:Cvt wide. The robust inflorescence is a many-flowered terminal panicle, Template:Cvt long. The individual flowers are Template:Cvt long and have the general shape of members of the subfamily Faboideae. The standard petal is Template:Cvt long by Template:Cvt wide. The inner surface is pink or pinkish purple, rarely white, with a dark greenish yellow nectar guide. The wing petals are slightly longer than the keel at Template:Cvt long by Template:Cvt wide, with short basal claws. The keel petals are Template:Cvt long by Template:Cvt wide, united into a cup. Nine of the stamens are fused together, the other is free; all curve upwards at the apex. The flattened seed pods are Template:Cvt long by Template:Cvt wide, black when dry, and have 4–5 seeds. A unique feature of the genus Endosamara within the tribe Wisterieae is that the pods split into one-seeded segments before releasing the seeds. Each seed is covered in a layer of endocarp which extends into a papery wing, Template:Cvt long and Template:Cvt wide.[3]
Taxonomy
Script error: No such module "Labelled list hatnote". Endosamara racemosa was first described by William Roxburgh in 1832 in the genus Robinia.[2] It was later placed in a number of other genera, including Millettia and Wisteria, before in 1984 Robert Geesink established the new genus Endosamara for the species, based principally on the unique structure of the seeds, which have flat samara-like wings but are enclosed in endocarp.[3]
Endosamara is placed in the tribe Wisterieae, where it forms the earliest diverging clade with the genera Sarcodum and Sigmoidala. The structure of the seeds distinguishes Endosamara.[3]
Distribution
Endosamara racemosa is found from South India to the Philippines, being native to Assam, Bangladesh, India, Laos, Malaya, Myanmar, the Philippines, Thailand and Vietnam.[2]
References
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- ^ a b c d Page Module:Citation/CS1/styles.css has no content."Endosamara R.Geesink". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2023-01-07.
- ^ a b c Page Module:Citation/CS1/styles.css has no content."Endosamara racemosa (Roxb.) R.Geesink". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2023-01-19.
- ^ a b c d Page Module:Citation/CS1/styles.css has no content.Compton, James A.; Schrire, Brian D.; Könyves, Kálmán; Forest, Félix; Malakasi, Panagiota; Sawai Mattapha & Sirichamorn, Yotsawate (2019), "The Callerya Group redefined and Tribe Wisterieae (Fabaceae) emended based on morphology and data from nuclear and chloroplast DNA sequences", PhytoKeys (125): 1–112, doi:10.3897/phytokeys.125.34877, PMC 6610001, PMID 31303810
- ^ Page Module:Citation/CS1/styles.css has no content.Hu, J.M. & Chang, S.P. (2003). "Two new members of the Callerya group (Fabaceae) based on phylogenetic analysis of rbcL sequences: Endosamara racemosa (Roxb.) Geesink and Callerya vasta (Kosterm.) Schot". Taiwania. 48 (2): 118–128. doi:10.6165/TAI.2003.48(2).118.
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