Ceiba chodatii

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Floss slik tree
Ceiba chodatii.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Malvaceae
Genus: Ceiba
Species:
C. chodatii
Binomial name
Ceiba chodatii
(Hassl.) Ravenna
Synonyms [1]

Chorisia insignis var. chodatii (Hassl.) Hassl.

Ceiba chodatii, the floss silk tree, is a species of deciduous tree native to the tropical and subtropical forests of South America. It has a bottle-shaped swollen trunk in which water is stored for the dry season and is known locally as palo borracho.

Contents

Description

Flowers of Ceiba chodatii Ceiba chodatii flowers.jpg
Flowers of Ceiba chodatii

Ceiba chodatii is a medium-sized deciduous tree with a tall, stout, bare trunk. It grows to about 12 metres (39 ft) tall, has a number of thick branches at the top of the swollen trunk and has a rounded crown. The bark is smooth with vertical ridges and horizontal wrinkles. It contains chlorophyll and is green when young and able to photosynthesize, but turns grey with age. It is covered with thick, woody conical spines. The alternate leaves are palmate with five lobes and serrated edges. The flowers are large, solitary and creamy white with a few purple flecks. They are up to 15 centimetres (5.9 in) long with yellow-green calyces and funnel-shaped corollas with five fleshy, hairy petals joined at the base. The fruit is a large, oblong green capsule. When ripe it splits open to reveal black seeds surrounded by a mass of white fibres resembling cotton. [2]

Distribution and habitat

Ceiba chodatii is native to the forests of Bolivia, the Chaco region of Paraguay and the Piedmont Mountains of western Argentina where it is found in seasonally dry woodlands. It flowers between February and May. [2]

Ecology

The flowers open at dusk and are probably pollinated by sphingid moths. Other members of the genus are pollinated by bats but this seems unlikely for Ceiba chodatii as the flowers produce little nectar. Humming birds also visit the flowers but do not touch the anthers or stigma. Self-pollination does not occur in this species because of a late-acting form of self-incompatibility. [2]

The bottle-shaped trunk is swollen with water being retained by the tree for use in the dry season. [3] The indigenous people of the Chaco make use of this water for their cattle and the timber is used to make canoes and articles for daily use. Fibres from the trunk are woven into ropes and extracts from the bark are used for tanning and as a dye. [3]

The dry chaco where this tree is found has dense spiny woodlands consisting of low trees and an understorey of Aspidosperma, Astronium, Schinopsis, Ceiba, and Bulnesia. The ground is clad in thorny plants, some with microphylls and others with no leaves and cacti such as Cereus and Stetsonia . Some plants such as Jacaratia accumulate water in tubercles. [3]

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References

  1. "Ceiba chodatii (Hassl.) Ravenna". Tropicos. Missouri Botanical Garden. Retrieved 2013-06-22.
  2. 1 2 3 Gibbs, P. E.; Semir, J. Año (2003). "A taxonomic revision of the genus Ceiba Mill. (Bombacaceae)". ISSN   0211-1322 . Retrieved 2013-06-22.
  3. 1 2 3 Chocarro, Maria Peña. "Ceiba chodatii (palo borracho, palo botella, samu'u)". Natural History Museum. Retrieved 2013-06-23.