John Michael Lock

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Senna petersiana, the monkey pod or eared senna, is an African deciduous shrub or small tree. The leaves are compound with about 12 opposite lanceolate leaflets, dark green above and lighter below. Its copious bright yellow flowers are carried on erect multi-branched inflorescences. The species was formerly placed in the genus Cassia. It occurs naturally in Cameroon, Central African Republic, DRC, South Sudan, Ethiopia, Kenya, Tanzania, Mozambique, Zimbabwe, South Africa and Eswatini. It was introduced to several Indian Ocean islands and became naturalized in far northern Madagascar. There

Siphonochilus bambutiorum is a species of plant in the ginger family, Zingiberaceae. It was first described by Axel Dalberg Poulsen and John Michael Lock.

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Aframomum atewae is a monocotyledonous plant species described by John Michael Lock and J.B. Hall. Aframomum atewae is part of the genus Aframomum and the family Zingiberaceae. The species' range is in Ghana. No subspecies are listed in the Catalog of Life.

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Aframomum verrucosum is a species in the ginger family, Zingiberaceae. It was first described by John Michael Lock.

Aframomum uniflorum is a species in the ginger family, Zingiberaceae. It was first described by John Michael Lock and Axel Dalberg Poulsen.

Aframomum spiroligulatum is a species of plant in the ginger family, Zingiberaceae. It was first described by John Michael Lock and Axel Dalberg Poulsen.

Aframomum orientale is a species in the ginger family, Zingiberaceae. It was first described by John Michael Lock. It is listed as endangered by IUCN.

Aframomum laxiflorum is a species in the ginger family, Zingiberaceae. It was first described by Ludwig Eduard Loesener and renamed by John Michael Lock.