Английская Википедия:Goniothalamus undulatus

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Шаблон:Short description Шаблон:Speciesbox

Goniothalamus undulatus is a species of plant in the family Annonaceae.[1] It is native to Thailand and Vietnam.[2][3] Henry Nicholas Ridley, the English botanist who first formally described the species, named it after the wavy (Шаблон:Lang in Latin) edges of its leaves.[4][5]

Description

It is a bush reaching 1.5 meters in height. Its oblong, hairless leaves are 17.8 by 7 centimeters with wedge shaped bases, cusped tips and wavy margins. The leaves have 11 pairs of secondary veins emanating from their midribs. Its petioles are 1 centimeters long and covered in fine hairs. Its flowers are born on pedicels that are 2.5 centimeters long. Its 3 red, oval, ribbed, hairy sepals are 0.6 centimeters long. Its flowers have 6 petals arranged in two rows of three. Its red, leathery, oval to lance-shaped, hairy outer petals are 1.5 - 3.2 by 0.6-1.75 centimeters long. The margins of the outer petals are rolled back. Its triangular, hairy inner petals are 0.9 - 1.25 centimeters long. Its flower have 10-54 carpels. Its fruit have stipes that are 6.5-16 millimeters long.[4][2]

Reproductive biology

The pollen of G. undulatus is shed as permanent tetrads.[6]

Habitat and distribution

It has been observed growing in evergreen forests at elevations of 50 to 700 meters.[2]

Uses

Bioactive molecules extracted from its roots have been reported to be cytotoxic in tests with cultured human cancer cell lines.[7]

References

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