Journal ArticleHatt, S.A.; Lamei, P.; Bramley, G.L.C. (2026) Two new species of Cyrtandra (Gesneriaceae) from the bird's tail Peninsula of Papua New Guinea: Cyrtandra morobensis and C. rabarabana, In: Edinburgh Journal of Botany, Vol.83 (3637), 1-13, URL: https://doi.org/10.24823/EJB.2026.3637New Guinea is a major centre of species richness for Cyrtandra (Gesneriaceae), a megadiverse genus of understorey herbs, yet much of this diversity remains undescribed. Here, two species are newly described from the Bird’s Tail Peninsula of Papua New Guinea: Cyrtandra morobensis S.Hatt & Bramley and C. rabarabana S.Hatt & Bramley. Both are similar to Cyrtandra menyamyana S.Hatt & Bramley and provisionally assessed as Threatened. Detailed descriptions and illustrations are provided, as is a table of key morphological characters that separate Cyrtandra morobensis, C. rabarabana and C. menyamyana. Keywords. Biodiversity, conservation, Cyrtandra morobensis, Cyrtandra rabarabana, taxonomy, understorey.TWONEWSPECIESCYRTANDRA2026_LAMEIP.pdfnullhttps://doi.org/10.24823/EJB.2026.3637nullnullISSN: 1474-0036