|Pteridophyte|| Literature for Cibotium chamissoi
Common name(s): hapu`u, hapu`upu`u, pepe`e, hapu`u
|Distribution||Hawaiian Islands, Southern Marianas, and Guam.In the Hawaiian Islands, endemic to O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.|
|Habitat||Mesic to wet forests.|
||Caudices 1-2(-6) m tall, 10-16 cm diameter, old fronds retained as a "skirt."
||Fronds to 5 m long; stipe glabrous except at base covered with a wooly mass of golden or mustard-colored hairs, young stipes with evanescent tan scurf; pinnae sinuses narrow-angled, cut 7/8 or more to costa; ultimate segments narrow and oblong, 4-5 mm wide, occasionally with a rounded enlargement at bases of basiscopic basal segments, abaxial surface dull light green, slightly glaucous, clothed with heavy or sparse covering of long, tan, arachnoid, soon-falling hairs (often absent on older fronds or older herbarium sheets), adaxial surfaces darker green, tips obtuse.
||Specific name honors Ludolf Karl Adalbert von Chamisso (1781-1838), French-born German explorer, naturalist, author, and poet, who collected plants for the Russian Kotzebue expedition, from which Kaulfuss named more than twenty new species of Hawaiian ferns.