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Willdenow's Fern (Thelypteris interrupta)

Willdenow's Fern

Overview

Willdenow's Fern (Thelypteris interrupta) is a tropical fern with long, arching fronds and interrupted sori (sori that are not continuous along the vein).

Taxonomy

Family:	Thelypteridaceae
Genus:	Thelypteris (the-LIP-ter-is)
Species:	interrupta (in-ter-UP-tuh)

Description

Fronds are 50–100 cm long, pinnate-pinnatifid, with long, pointed pinnae. Sori are round, in two rows, but interrupted (gaps between sori). Rhizome is creeping.

Habitat and Cultivation

Found in wet tropical forests and swamp margins. Requires constant moisture, high humidity, warm temperatures, and shade. Suitable for tropical greenhouses and bog gardens.

Ferns: Walking Fern (Asplenium rhizophyllum): Unique Fern That "Walks" Across Rocks; Log Fern (Dryopteris celsa): Tall, Hybrid Wood Fern for Moist Shade; Woodwardia unigemmata: Chain Fern; Pyrrosia hastata: Felt Fern; Adder's-tongue Fern (Ophioglossum vulgatum); Basket Fern (Drynaria rigidula); Licorice Fern (Polypodium glycyrrhiza); Staghorn Fern (Platycerium wallichii); Fragile Fern (Cystopteris protrusa); Japanese Brake Fern (Pteris nipponica): Elegant Variegated Fern for Shade

Garden Articles

Fern Tree (Filicium decipiens): Graceful Shade for Tropics

Dixie Wood Fern (Dryopteris × australis): Robust Hybrid Fern for Southern Gardens

Bladder Fern / Bulblet Fern (Cystopteris bulbifera): Delicate Fern with Bulblets for Easy Propagation

Willdenow's Fern (Thelypteris interrupta)

Swamp Fern (Blechnum serrulatum)

Cheilanthes sieberi: Mulga Fern

Crown Fern (Blechnum discolor): Distinctive New Zealand Fern

Plants

Thelypteris decursive-pinnata: Japanese Beech Fern

Woodwardia radicans: European Chain Fern

Polystichum setiferum: Soft Shield Fern

Cheilanthes farinosa: Floury Cloak Fern

Pellaea rotundifolia: Button Fern (Roundleaf Fern)

Island Goldback Fern (Pityrogramma chrysophylla)

Mexican Male Fern (Dryopteris pseudofilix-mas)