| Literature for Adenophorus pinnatifidus
Palmer, 2003. Literature for Adenophorus pinnatifidus var. pinnatifidus
Palmer, 2003. Literature for Adenophorus pinnatifidus var. rockii
|Distribution||Hawaiian Islands.In the Hawaiian Islands, endemic to Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.|
||Epiphytic or epipetric, small; rhizomes short, erect.
||Fronds erect, arching, or pendulous, (2-)5-12+ cm long; stipe round at base, soon becoming winged and blending into blade; blade deeply pinnatifid to pinnatisect, ovate to lanceolate-ovate incised nearly to midrib, tips often elongate, marginal hairs absent to sparse; lobes close or distant, narrowly elongate-triangular, oblique, oblong, or linear, tips acute to broadly rounded, margins mostly entire, sometimes crenate on larger fronds, distal margins of lobes forming acute angles with midrib; veins pinnate in each segment except on smallest fronds.
||Sori usually found on distal 2/3 of blade, solitary on smaller segments but present in 2, often irregular, rows on larger segments; glandular paraphyses present, sparse.
||Latin pinnatus, winged, feathered, plus -fid, divided into many parts, describing the pinnatifid cutting of the frond.