Tabernaemontana elegans

Source: Wikipedia, the free encyclopedia.

Toad tree
Habit and the opposite, entire leaves in Limpopo, South Africa

Least Concern  (IUCN 3.1)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Apocynaceae
Genus: Tabernaemontana
Species:
T. elegans
Binomial name
Tabernaemontana elegans
Synonyms[2]
  • Conopharyngia elegans (Stapf) Stapf
  • Leptopharyngia elegans (Stapf) Boiteau

Tabernaemontana elegans, the toad tree,[3] is a shrub or small tree in the family Apocynaceae. It is native to eastern Africa.

Description

Tabernaemontana elegans grows up to 15 metres (50 ft) tall, with a trunk diameter of up to 30 centimetres (12 in). Its fragrant flowers feature white, creamy or pale yellow

corolla
lobes. Fruit consists of 2 separate ovoid or ellipsoid pods, up to 8 centimetres (3 in) each.

Distribution and habitat

Tabernaemontana elegans grows in forests or bushland from sea level to 1,000 metres (3,300 ft) altitude. The species is native to Somalia, Kenya, Tanzania, Mozambique, Zimbabwe, Eswatini and South Africa.[4][5][6]

Uses

Tabernaemontana elegans has some local medicinal uses including the treatment of heart disease, cancer, tuberculosis and venereal diseases. The species is also used as an aphrodisiac.[4] The Zulu name for this genus, iNomfi, refers to the use of their sticky, milky latex as bird-lime.[7]

Chemistry

Fourteen indole alkaloids have been isolated in the callus culture of Tabernaemontana elegans (isovoacangine, 3-R/S-hydroxy-isovoacangine, 3-R/S-hydroxy-coronaridine, isositsirikine, geissoschizol, tabernaemontanine, vobasine, vobasinol, apparicine, 16-hydroxy-16,22-dihydro-apparicine, tubotaiwine, 3-R/S-hydroxy-conodurine and monogagaine) of which apparicine is the principal.[8]

  • Milky latex
    Milky latex
  • Inflorescence
    Inflorescence
  • Flower
    Flower
  • Warty, symmetrical fruit
    Warty, symmetrical fruit
  • Visible seeds in dehisced fruit
    Visible seeds in dehisced fruit

References