English: Maidenhair ferns; Adiantoid ferns.
Name: adiantum comes from Greek, meaning unwetted.
Clades:
Pteridaceae;
Pteridales;
Pterididae;
Polypodianae;
Pteridophyta;
Plants.
Members: 1 genus, Adiantum; 250 species.
Region: south America, Andes, eastern Asia, China.
Habitat: prefers humus-rich, moist, well-drained sites; bottom land soils to vertical rock walls; epipetric, terrestrial or epiphytic in moist habitats.
Use: ornamental, on rock walls around waterfalls and water seepage areas.
Plant theoryAdiantoideae is a subfamily in
Pteridaceae. It is placed in
Subphase 4. This needs confirmation.
TaxonomyAdiantoideae is a subfamily in
Pteridaceae. Adiantum is paraphyletic, monophyletic when
Adiantum raddianum, and possibly a few other species, are removed.
BotanyKeys: rachis often dichotomously branching; sori relatively small and discrete with sporangia borne on the false indusium rather than the leaf blade proper.
Fern.
Stem: dark, brown to black!!
Leaves: bright green, often delicately cut leaf tissue; rhachis dark, often black, often dichotomously branching; slender, shining black stipes.
Sori: submarginally; covered by reflexed flaps of leaf tissue which resemble indusia; dimorphism is subtle; relatively small and discrete with sporangia borne on the false indusium rather than the leaf blade proper.
Subgenera • Homotypic
Adiantum sect. Adiantellum
Adiantum sect. Bipinnata
Adiantum sect. Apotomia
• Heterotypic
Hewardia: Hewardia adiantoides
Adiantum sect. Reniforme
Adiantum sect. Simplicipinna
Adiantum sect. Composito-pinnata
Adiantum sect. Digitato-pinnata
Adiantum sect. Supradecomposita
Adiantum sect. Synechia Fée
Adiantum sect. Mesopleuria
Adiantum sect. Pedatoadiantum
Adiantum ser.
CaudataAdiantum ser. Flabellulata
Adiantum ser. Gravesiana
Adiantum ser. Pedata
Adiantum ser. Reniformia
Adiantum ser. Veneri-capilliformia
Adiantum ser. Venusta
Stages Remedies7
Adiantum venustum9
Adiantum raddianum10
Adiantum macrophyllum10
Adiantum trapeziforme13 Adiantum auriculatum
13
Adiantum capillus-veneris17
Adiantum caudatumx
Adiantum lunulatumx
Adiantum pedatumx
Adiantum peruvianumx
Adiantum tenerum