Goniothalamus

Goniothalamus is a genus of plants in the Annonaceae family. They have a Paleotropical distribution.

Description

They are erect trees or shrubs with a short petiole. Axillary or extra-axillary inflorescences. Pedicel bracteolate at the base. Sepals 3, valvate. Petals 6, in 2 whorls, with each whorl valvate; outer petals flat, thick; small inner petals. Stamens many. subsessile to slightly stipitated, oblong-ellipsoidal or ovoid monocarp fruits. Seeds 1-10 per monocarp.

Taxonomy

The genus was described by (Blume) Hook. F. & Thomson and published in Flora Indica: being a systematic account of the plants.. 105. 1855.

Species

• Goniothalamus amuyon (Blanco) Merr.
• Goniothalamus bracteosus Bân
• Goniothalamus brunneus Merr.
• Goniothalamus carolinensis Kaneh.
• Goniothalamus catanduanensis Quisumb.
• Goniothalamus chinensis Merr. et Chun
• Goniothalamus clemensii Bân
• Goniothalamus dolichopetalus Merr.
• Goniothalamus elmeri Merr.
• Goniothalamus epiphyticus Elmer
• Goniothalamus gitingensis Elmer
• Goniothalamus kinabaluensis Bân
• Goniothalamus lancifolius Merr.
• Goniothalamus longistylus Merr.
• Goniothalamus macrophyllus (Blume) Hook. f. et Thomson - kikapas of India
• Goniothalamus mindanaensis Elmer
• Goniothalamus nitidus Merr.
• Goniothalamus obtusifolius Merr.
• Goniothalamus philippinensis Merr.
• Goniothalamus repevensis Pierre ex Finet et Gagnep.
• Goniothalamus saigonsis Pierre ex Finet et Gagnep.
• Goniothalamus suluensis Merr.
• Goniothalamus tamirensis Pierre ex Finet et Gagnep.
• Goniothalamus tortilipetalum M. R. Hend.
• Goniothalamus touranensis Ast
• Goniothalamus tripetalus (Lam.) Veldkamp & R.M.K.Saunders - cananga oetan of India
• Goniothalamus uvarioides King

Phytochemistry

Queliensinin is a pseudoalkaloid isolated from Goniothalamus cheliensis. This plant shows antineoplastic activity.