Asplenium onopteris

Common name

Acute-leaved Spleenwort

Asplenium onopteris Acute-leaved Spleenwort

Acute-leaved Spleenwort

© Copyright
Natural History Museum

Latin names

Class	Pteridopsida
Order	Polypodiales
Family	Aspleniaceae
Genus	Asplenium
Species	onopteris

Geographic details

Habitat	lowland;light shade; scrub
Soil type	neutral
Distribution	SW Ireland
Native	No

General

Plant height	small
Branched	No
Plant colour	mid-green
Stipe description	glabrous; black -> red-brown
Habit	loose tuft
Conservation status	Rare

Leaf details

Separate fertile leaves	No
Leaf shape	ovate-triangular
Pinnae	3-pinnate
Wintergreen	Yes

Spore details

homospore

Yes

Rhizome details

Rhizome description	short
Rhizome scales	triangular-lanceolate
Rhizome position	creeping

Sori details

Sori shape	oblong
Sori placement	on lateral veins closer to midrib

Indusium details

indusium present	Yes
indus_shape	linear-oblong
indusium description	entire