Zingiberaceae - Ginger family

Key to genera

1Leaves spirally arranged on a true aerial stem, or 4 in a cross-shaped rosette appressed to the ground; hairs bicellularCostus
1Leaves distichous; hairs unicellular2
2Inflorescence terminal on (pseudo) stem (which is c.2 m high)Hedychium
2Inflorescence arising from the base or from a rhizome3
3Small plants, often flowering before the leaves are fully developed; leaf sheaths usually not forming a pseudostem at least at flowering time; apex of stamen petaloid, at least twice as long as the basal antherSiphonochilus
3Large plants with leafy shoots fully developed at flowering time; leaf sheaths always forming a distinct pseudostem; apex of stamen 2-3-lobed or truncate, shorter than the subterminal antherAframomum

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-21

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2021). Flora of Zimbabwe: Zingiberaceae: Key to genera.
https://www.zimbabweflora.co.zw/speciesdata/genus-key.php, retrieved 28 February 2021

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