A & B, flowers of... www.researchgate.net

A & B, flowers of... www.researchgate.net

Piptostigma - Wikipedia en.wikipedia.org

Flora of Cameroon –... phytokeys.pensoft.net

Piptostigma pilosum [Oliv.... annonaceae.myspecies.info

Piptostigma - Encyclopedia... eol.org

Piptostigma pilosum [Oliv.... annonaceae.myspecies.info

BOLD Systems: Taxonomy... v3.boldsystems.org

Piptostigma Oliv. | Plants... powo.science.kew.org

BOLD Systems: Taxonomy... v3.boldsystems.org

TC1167b_Piptostigma_calophy... annonaceae.myspecies.info

Piptostigma - Wikipedia nl.wikipedia.org

Piptostigma Oliv. | Plants... powo.science.kew.org

Flora of Cameroon –... phytokeys.pensoft.net

Uvariol... www.medchemexpress.com

Two new sesquiterpenoids... www.sciencedirect.com

Piptostigma calophyllum... treatment.plazi.org

Piptostigma [Engler & Diels... annonaceae.myspecies.info

World Plants: Plant List www.worldplants.de

Piptostigma Oliv. | Plants... powo.science.kew.org