Cyathea inquinans

Cyathea inquinans is a species of tree fern native to southwestern Sulawesi and possibly the Maluku Islands, where it grows in montane forest at an altitude of 2000-2800 m. This plant has an erect trunk that is usually 2-4 m tall. Fronds may be bi- or tripinnate and 1 m or more in length. The stipe is covered in scales. These scales are either large, red-brown, thin, with narrow fragile edges, or small, with a red apical seta. Sori are borne near the fertile pinnule midvein. They are protected by thin, brown indusia.

References

• Braggins, John E. & Large, Mark F. 2004. Tree Ferns. Timber Press, Inc., pp. 146-147. ISBN 0-88192-630-2
• The International Plant Names Index: Cyathea inquinans