Sarcodum
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Sarcodum is a genus of flowering plants in the legume family, Fabaceae. It belongs to the subfamily Faboideae, tribe Wisterieae.[1] Its three species are twining vines growing over shrubs, and are native from southeast mainland China to the Solomon Islands.[2]
Description
Sarcodum species are twining vines that scramble over shrubs, growing up to Template:Cvt high. The mature stems are reddish brown. The leaves have 8–44 leaflets arranged in pairs, plus a terminal leaflet. Individual leaflets may be up to Template:Cvt long by Template:Cvt wide. The inflorescences are composed of erect leafy axillary and terminal racemes Template:Cvt long. Each flower is Template:Cvt long, and has the typical shape of a member of the family Fabaceae. The pink or pinkish lilac standard petal is Template:Cvt long by Template:Cvt wide with a broad, dark yellow nectar guide. The wing petals are Template:Cvt long by Template:Cvt across, either much or slightly shorter than the keel petals, and with short basal claws. The keel petals are Template:Cvt long by Template:Cvt wide. Nine of the stamens are fused together, the tenth is free; all curve upwards at the apex. The seed pods are up to Template:Cvt long, initially green, then black and hard when ripe, splitting to release the 4–10 seeds.[1]
Taxonomy
Script error: No such module "Labelled list hatnote". The genus Sarcodum was established by João de Loureiro in 1790.[3] The genus name is derived from the Greek Script error: No such module "Lang". (sarkōdēs) 'fleshy', referring to the seed pod.[4] A 2019 molecular phylogenetic confirmed the monophyly of the genus, placing it in the tribe Wisterieae. Sarcodum is most closely related to Endosamara and Sigmoidala but has smaller leaflets – mostly less than Template:Cvt wide as opposed to mostly Template:Cvt wide in the other two genera. Its inflorescences are leafy racemes rather than larger erect panicles.[1]
Species
As of January 2023[update]Script error: No such module "Check for unknown parameters"., Plants of the World Online accepted three genera:[2]
- Sarcodum bicolor Adema
- Sarcodum scandens Lour.
- Sarcodum solomonense R.Clark
Distribution and habitat
The three species of Sarcodum are native to southeast mainland China and Hainan, Vietnam and Laos, and south to Java, the Lesser Sunda Islands, the Maluku Islands, the Philippines, Sulawesi and the Solomon Islands.[2] The species grow in low thickets from sea level to Template:Cvt.[1]
References
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