Schizolobium parahyba
| Schizolobium parahyba | |
|---|---|
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| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Caesalpinioideae |
| Genus: | Schizolobium |
| Species: | S. parahyba |
| Binomial name | |
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Schizolobium parahyba (Vell.) S.F.Blake |
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Schizolobium parahyba, the Brazilian firetree, or Brazilian fern tree, is a tree species from tropical America, notable for its fast growth (up to 3 meters per year). According to Francis Hallé, this tree may even reach 30 meters high in only five years, which would make it one of the fastest growing trees ever (an average growth of 6 meters per year).
The tree is locally known by many names, including guapuruvu, guapiruvu, bacurubu, ficheira ("token tree"), faveira ("fava tree"), pau-de-vintém ("penny-wood"), pau-de-tamanco ("clog-wood"), umbela, and parica. It was first described by J. M. C. Vellozo in 1825 under the name Cassia parahyba. The species name likely refers to the Paraíba River in Southeast Brazil.
The mature tree typically has a straight trunk, up to 40 meters tall and 80 cm wide, that branches out only near the top. The bark is smooth and gray-green except by the scars left by fallen leaves. The leaves are bipinnate, a metre or more in length, with a green stem and 30–50 opposite pinnae, each with 40–60 leaflets 2–3 cm long; they are clustered near the end of the branches, and fall off completely in the dry season. Young individuals, often unbranched and with leaves over 2 meters long, may be mistaken for ferns or palms.
The numerous bright yellow nectar-producing flowers, about 3.5 cm in diameter, bloom from October through December in the Southern Hemisphere, after the leaves have fallen off. In Southeast Brazil they are visited chiefly by bees Centris labrosa, Centris varia, Xylocopa frontalis and Megachille species. The fruits ripen between April and June. Each fruits is a tadpole-like pod about 10 cm long, containing a single oval seed, smooth and brown.
The native range spans from Central America to southern Brazil. It is sun-loving and prefers open and semi-open areas; it is quite rare in densely forested areas.
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Wikipedia