Christella buwaldae

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Christella buwaldae


Aru Is present, Asia-Tropical: Maluku (Maluku present), Buru present
Malesia: Moluccas (Buru&Aru Is.).


The Buru specimen is larger than the type, with an apical lamina 8 cm long and c. 6 pairs of free pinnae, largest pinnae 3.2x1.3 cm, lobed more deeply than those of the type; in other respects it agrees. An acicular hair was observed on the stalk of a sporangium of the Buru specimen, and the pubescence of the frond is very like that of C. perpubescens, not like that of any species of Pronephrium, from which genus the species is here transferred. But the spores of the type need a careful re-examination; sporangia of the Kew isotype are immature.