Wall-rue

Botanical Name :Asplenium ruta-muraria
Family: Aspleniaceae
Genus: Asplenium
Species: A. ruta-muraria
Kingdom: Plantae
Division: Pteridophyta
Class: Polypodiopsida
Order: Blechnales

Synonyms:
Asplenium cryptolepis Fernald
Asplenium cryptolepis Fernald var. ohionis Fernald
Asplenium ruta-muraria var. cryptolepis (Fernald) Wherry
Amesium ruta-muraria (L.) Newman

Common Names :wall-rue. In Germany, it is known as Mauerraute or Mauerstreifenfarn

Habitat :Asplenium ruta-muraria grows in Most of Europe, including Britain, Mediterranean, N. and S. Asia to the Himalayas, E. North America.It found on  Old walls and basic rocks in hilly areas.

Description:
Asplenium ruta-muraria is an evergreen Fern growing to 0.1 m (0ft 4in) by 0.2 m (0ft 8in) at a slow rate.
It is in leaf 12-Jan, and the seeds ripen from Jul to October.

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Rhizome: erect, occasionally branching, scales clathrate, to 3mm, dark brown.
Frond: 15 cm high by 5 cm wide, evergreen, monomorphic, blade/stipe ratio: 1:2 to 1:1.
Stipe: purple-brown at base, fading to green , dark brown, narrowly deltate scales at base grading into multicellular hairs, vascular bundles: 2 C-shaped, back to back, uniting to 1 upwards to an X-shape.
Blade: 2-pinnate at the base, said to be occasionally more divided, always less upwards, oblong-triangular, leathery, dull, commonly with tiny glandular hairs and a few linear scales.
Pinnae: 2 to 5 pair, opposite to alternate, anadromic, stemmed, variable in shape; margins serrate or creanate; veins free, forking.
Sori: linear, along a vein, w-6 on each segment, indusium: translucent, pale tan, fimbriate, hidden by sporangia at maturity, on one side of the sorus, opening toward the middle of the segment, sporangia: brown, maturity: early summer to mid fall, but dispersal can extend.

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The plant prefers light (sandy) and medium (loamy) soils and requires well-drained soil.The plant prefers basic (alkaline) soils. and can grow in very alkaline soils.It can grow in semi-shade (light woodland).It requires moist soil.

Cultivation:
Requires a well-drained position and lots of old mortar rubble in the soil. Requires a humid atmosphere and some shade. A good plant for growing on a shady part of an old dry-stone or brick wall, also succeeding in full sun. A very ornamental fern, it is very tough but slow to establish. Members of this genus are rarely if ever troubled by browsing deer.

Propagation :
Spores – best sown as soon as they are ripe on the surface of a humus-rich sterilized soil. Keep the compost moist, preferably by putting a plastic bag over the pot. Germinates in spring. Spring sown spores germinate in 1 – 3 months at 15°c. Pot on small clumps of plantlets into individual pots as soon as they are large enough to handle and grow them on in light shade in a cold frame or greenhouse. Keep the plants humid until they are well established. Once the plants are 15cm or more tall, plant them out into their permanent positions in the spring. Division in spring.

Medicinal Uses;
Astringent;  Deobstruent;  Emmenagogue;  Expectorant;  Ophthalmic.

The fronds are astringent, deobstruent, emmenagogue, expectorant and ophthalmic. A distilled water made from the fronds has proved of benefit in the treatment of many eye complaints. The plant is also considered to be useful in the treatment of coughs and ruptures in children. It was at one time used as a herbal remedy for rickets and its tannin content renders it suitable for stopping bleeding from small wounds. The fronds are harvested in late spring and dried for later use

Disclaimer:The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplements, it is always advisable to consult with your own health care provider.

Resources:
http://www.pfaf.org/user/Plant.aspx?LatinName=Asplenium+ruta-muraria
http://en.wikipedia.org/wiki/Asplenium_ruta-muraria
http://hardyfernlibrary.com/ferns/listSpecies.cfm?Auto=147

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