Goniothalamus uvarioides

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Goniothalamus uvarioides
Goniothalamus uvarioides.tif
Botanical illustration of Goniothalamus uvarioides. [1]
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Magnoliids
Order: Magnoliales
Family: Annonaceae
Genus: Goniothalamus
Species:
G. uvarioides
Binomial name
Goniothalamus uvarioides
Synonyms

Goniothalamus pendulifoliusRidl.

Goniothalamus uvarioides is a species of plant in the family Annonaceae. It is native to Peninsular Malaysia and Thailand. [2] George King, the British botanist who first formally described the species, named it after its fruit which he thought resembled those of the genus Uvaria more than those of Goniothalamus. [3]

Contents

Description

It is a bush reaching 1.8 to 4.6 meters in height. Its petioles are 1-3.5 centimeters long and have a channel. Its oblong to oval, somewhat leathery leaves are 32-48 centimeters long with minute wedge-shaped bases. Its leaves have 22-35 pairs of secondary veins emanating from their midribs that arch to meet one another at the leaf margins. Its flowers are on pedicels that are 1-1.6 centimeters long. Its leathery, rounded sepals are 1.2-1.6 centimeters long and covered in fine hairs. Its flowers have 6 petals in two rows of three. The very leathery, yellow, broad, lance-shaped outer petals are 3.8 centimeters long with thickened bases. The very leathery, yellow, broad, lance-shaped inner petals are 2.5-3 centimeters long with contracted at bases. Its flower have stamen with connective tissue between the lobes of the anthers that extend upward to form a conical apex. Its flowers have carpels with hairy ovaries, cylindrical styles and small stigma with a cleft. Its oblong, hairy fruit are 3.1-4.4 by 1.5-1.8 centimeters with tapering tips and bases. The fruit have 4-5 wrinkled seeds that are 1.3 centimeters long. The fruit are attached to their pedicel by stipes that are 1.1-1.8 by 0.3 centimeters. [3] [4] [5]

Reproductive biology

The pollen of G. uvarioides is shed as permanent tetrads. [5]

Habitat and distribution

It has been observed growing in lowland forests at elevations of 100 to 450 meters. [4]

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References

  1. King, George (1893). "Anonaceae of British India". Annals of the Royal Botanic Garden, Calcutta. 4: plate 143. Retrieved June 15, 2020.
  2. "Goniothalamus uvarioides King". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved February 3, 2019.
  3. 1 2 King, George (1892). "Materials for a Flora of the Malay Peninsula". The Journal of the Asiatic Society of Bengal. 61 (pt.2:no.1, 3): 1–130.
  4. 1 2 Saunders, Richard M. K. (2003). "A synopsis of Goniothalamus species (Annonaceae) in Peninsular Malaysia, with a description of a new species". Botanical Journal of the Linnean Society. 142 (3): 321–339. doi: 10.1046/j.1095-8339.2003.00177.x . ISSN   1095-8339.
  5. 1 2 Saunders, Richard M. K.; Chalermglin, Piya (2008). "A synopsis of Goniothalamus species (Annonaceae) in Thailand, with descriptions of three new species". Botanical Journal of the Linnean Society. 156 (3): 355–384. doi: 10.1111/j.1095-8339.2007.00762.x . ISSN   0024-4074.