Blechnum penna-marina (Poir.) Kuhn
Blechnum penna-marina is a perennial.
Blechnum penna-marina was already described and the name validly published by Jean Louis Marie Poiret. It was Friedrich Adalbert Maximilian Kuhn, however, who reclassified it into todays valid botanical systematics in 1868.
The perennials reach heights of 10 to 20 centimetres. The plants reach a width of 20 to 30 centimetres.
Blechnum penna-marina is evergreen. The dark-green, imparipinnate leaves are basal. The leaflets are linear. The leaves are around 5 centimetres large and have a glabrous surface.
Flowers and Fruits
Blechnum penna-marina is native to New South Wales, Victoria, Tasmania, New Zealand and South America.
The perennials prefer a half-shady to shady situation on moist soil. The substrate should have a pH between 4 and 6. They tolerate temperatures down to -12Â°C (USDA zone 8).
Classification after Prof. Dr. Sieber
- woods (soil usually rich in organic material)
The recommended planting distance is 10 to 20 centimetres, the perennials are best planted in groups of 3 to 10. Suited for rockeries, as well as suited as groundcover.
Maintenance and Propagation
The plants need little to no maintenance if grown under suitable conditions.
- If possible the plants should not be transplanted.
- Winter protection from black frost.
Pests and Diseases
- Walter Erhardt, Erich GÃ¶tz, Nils BÃ¶deker, Siegmund Seybold: Der groÃe Zander. Eugen Ulmer KG, Stuttgart 2008, ISBN 978-3-8001-5406-7. (Ger.)
- Christoper Brickell (Editor-in-chief): RHS A-Z Encyclopedia of Garden Plants. Third edition. Dorling Kindersley, London 2003, ISBN 0-7513-3738-2.