| Synonyms: | |
| Common names: | |
| Frequency: | Rare |
| Status: | Native |
| Description: |
For descriptions see World Flora Online |
| Type location: |
DR Congo |
| Notes: | |
| Derivation of specific name: | angustisepala: with narrow sepals. |
| Habitat: | In moist evergreen forest. |
| Altitude range: (metres) | 750 m (approx) |
| Flowering time: | |
| Worldwide distribution: | Gabon and DR Congo. |
| Botanical divisions: | VI |
| Growth form(s): | Liane. |
| Endemic status: | |
| Red data list status: | Endangered |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Literature: |
Beentje, H. (2021). Apocynaceae, sous-familes I. Apocynoideae et II. Rauvolfioideae Flore d' Afrique Centrale Jardin botanique de Meise Pages 92 - 93. (Includes a picture). |