Swartzia myrtifolia
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Swartzia myrtifolia | ||||||||||||
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![]() Swartzia myrtifolia , illustration by Taubert |
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Systematics | ||||||||||||
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Scientific name | ||||||||||||
Swartzia myrtifolia | ||||||||||||
Sm. |
Swartzia myrtifolia is a species in the genus Swartzia in the sub-family of papilionaceous (Faboideae). It iswidespreadin the Neotropics .
description
Swartzia myrtifolia grows as an evergreen small tree that reaches heights of about 6 to 12 meters or a little more. The stalked leaves are unpinnate with winged rachis and petiole. The round-pointed to rounded or pointed to pointed leaflets are about 5 to 7 centimeters long and ovate, obovate to elliptical. The leaf margins are whole and slightly wavy, the veins are pinnate with fine lateral nerves. The inflorescences are racemose . The hermaphrodite, yellowish flowers have a large, frilly petal. The chalice is four-lobed and bent back. There are many stamens , one group, with larger anthers, is longer and arching, the others, with smaller anthers, are arranged in bundles. The ovary is on a long, arching gynophore .
Orange, leathery, waxy and solitary, ellipsoidal and tipped legumes with a thickened belly seam are formed. The large, slightly kidney-shaped seeds are covered by an aril .
distribution
Swartzia myrtifolia is widespread in the Neotropics . In Central America it occurs in Guatemala and Honduras , and in South America it is found in Brazil , Colombia , Peru and Venezuela . It is currently unclear whether the original homeland extended over all the states mentioned or whether the range of this species was enlarged by humans.
Systematics
Synonyms for Swartzia myrtifolia Sm. Are Riveria nitens Kunth , Tounatea myrtifolia (Sm.) Taub. and Tunatea myrtifolia (Sm.) Kuntze . Swartzia myrtifolia belongs to the Pteropodae series within the genus Swartzia .
The following varieties have been described within the species Swartzia myrtifolia :
- Swartzia myrtifolia var. Elegans (Schott) Cowan
- Swartzia myrtifolia var. Myrtifolia
- Swartzia myrtifolia var. Peruviana Cowan
- Swartzia myrtifolia var. Standleyi (Britton & Rose) Cowan
literature
- Oscar Nelson Allen, Ethel Kullmann Allen: Swartzia. In: The Leguminosae. Univ. of Wisconsin Press, 1981, ISBN 0-299-08400-0 , MacMillan Pub, ISBN 0-333-32221-5 , p. 636, limited preview in Google Book Search.
- A. Engler : The natural plant families. III. Part, 3rd department, Engelmann, 1894, p. 181 f, online at biodiversitylibrary.org, accessed on March 1, 2018.
Web links
- ILDIS information on the species at LegumeWeb. ( Memento of October 8, 2007 in the Internet Archive )
- Swartzia myrtifolia from Useful Tropical Plants, accessed March 1, 2018.
Individual evidence
- ↑ ILDIS information on the species at LegumeWeb. ( Memento from May 12, 2009 in the Internet Archive )