Alstonia boonei

Alstonia boonei bụ osisi buru ibu, nke na-agwụ agwụ, osisi nkụ na-ekpo ọkụ nke Dogbane ( Apocynaceae ).  Ọ bụ obodo na-ekpo ọkụ n'Ebe Ọdịda mkpa Afrịka, nke nwere oke ruru na Etiopia na Tanzania .  Aha a na-akpọkarị ya na ahia bekee bụ osisi chiiz osisi osisi ma ọ bụ osisi stool [1] (lee Ashanti Empire gold stool ) ebe aha ya na ahia osisi French bụ emien [2] (site na brand nke Ivory  Coast).  ).

Osisi ahụ dị mma nke ọma, na-agbazinye onwe ya ka ọ bụrụ ọrụ zuru ezu.  Dị ka ọtụtụ ndị ọzọ so na Apocynaceae (ihe nwere nsera na ụdị ọgwụ), A. boonei nwere alkaloids ma na-amịpụta latex. .. Burkhill H.M. The Useful Plants of Tropical West Africa (second edition) vol.1 (Families A-D) pp. 138–140 pub. 

 Nkọwa 

Alstonia boonei bụ osisi ọhịa toro ogologo, nke nwere ike iru mita 45 (148 ft) n'ịdị elu yana 3 m (9.8 ft) na girth, bole ahụ bụ cylindrical na ruo 27 cm (89 ft) n'ịdị elu nwere nnukwu buttresses dị warara ma dị omimi.  .   Na Plateaux Batekes na Congo (Kinshasa) osisi ndị a nwere nnukwu ebe obibi dị ka nke Bald Cypress na Water Tupelo.   [1] A na-ebu akwụkwọ ya n'ọnụ ọnụ, ọdịdị akwụkwọ ya na-adịkwaghị ka ọ dị, na ọnụ ọnụ ya ka ọ dị elu yana veins mpụta (lee Akwụkwọ # Venation ) pụtara ìhè na ọ fọrọ nke nta ka ọ bụrụ akụkụ aka nri  dị mma na midrib.   Okooko osisi ndị ahụ na-acha odo odo-ọcha ma na-ebu ya na cymes lax terminal.   Mkpụrụ osisi ndị ahụ nwere agba, ụyọkọ, dị gịrịgịrị ruru sentimita 16 (6.3 in) ogologo, nwere eriri siliki, na-acha aja aja n'akụkụ nke ọ bụla iji mee ka ikuku gbasaa.   Latex dị ọcha ma buru ibu.

 Ntụaka