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Axel Dalberg Poulsen

@axelginger.bsky.social

A Danish tropical forest botanist currently focusing on plants of the Zingiberales at the Royal Botanic Garden Edinburgh 🫚🫚🫚

Posts Replies Media

Axel Dalberg Poulsen @axelginger.bsky.social · 27/04/2026

#GingerPlantOfTheWeek is #Costusspectabilis an #African #Costaceae flowering today in a glasshouse @rbgedinburgh #19881617 collected in Malawi in 1979. This species occurs in woodland savannas and rocky outcrops in 30 African countries from Egypt to Zimbabwe and Senegal to Tanzania.

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Axel Dalberg Poulsen @axelginger.bsky.social · 07/04/2026

Rare turquoise gem #ginger #plant species described in @phytokeys.pensoft.net See: doi.org/10.3897/phytokeys.272.171221 Long-term collaboration between @thebotanics.bsky.social and Indonesian botanical institutions resulted in the discovery of #Hellwigia opalina only found in #Sulawesi, Indonesia.

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Axel Dalberg Poulsen @axelginger.bsky.social · 20/01/2026

#gingerplantoftheweek is #marantaceae #Calathea (currently placed in #Goeppertia but is it correct?) inocephala that has a white, oil-rich elaiosome below the bluish seeds facilitating ant dispersal. #neotropicalplants

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Axel Dalberg Poulsen @axelginger.bsky.social · 27/12/2025

Zingiber not Etlingera

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Axel Dalberg Poulsen @axelginger.bsky.social · 27/12/2025

Cheilocostus speciosus Etlingera pyramidosphaera

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Axel Dalberg Poulsen @axelginger.bsky.social · 27/12/2025

This is the neotropical #Costus comosus var. bakeri (#Costaceae; leaves arranged in a ‘spiral staircase’) whereas #Etlingera belongs to the family #Zingiberaceae where the leaves typically are distichous.

data.rbge.org.uk

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Axel Dalberg Poulsen @axelginger.bsky.social · 27/12/2025

Where did you take this photograph?

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Axel Dalberg Poulsen @axelginger.bsky.social · 27/12/2025

Etlingera megalocheilos Do you agree that ‘flame ginger’ is a good English name for these neat-ground flowering species of Etlingera?

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Axel Dalberg Poulsen @axelginger.bsky.social · 27/12/2025

#gingerplantoftheweek is #Etlingera hemisphaerica #etlingerahemisphaerica described by Carl Ludwig von Blume in 1827 and native in the #FloraOfJava. This particular plant was flowering in the campus of University of Indonesia, Fakultas MIPA, Java.

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Axel Dalberg Poulsen @axelginger.bsky.social · 27/12/2025

E. corneri named in honour of British botanist, Edred J. H. Corner (1906–1996).

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