Common name: Royal Fern
Scientific name: Osmunda regalis 歐紫萁、王紫萁、皇家蕨
Genus: Osmunda 紫萁屬
Family: Osmundaceae 紫萁科, royal fern family
Remarks:
Origin: native
Date: 9th Aug
331 A tall, robust, clump-forming rhizomatous fern, dying down in winter. Leaves to 300cm.
342 Sterile leaves 2-pinnate, pinnae with 5-13 pairs of pinnules.
343
346 Pinnules 2-6.5cm.
351 The tip of the sterile leaf.
349 The underside of the leaf.
347
347-1 close-up of the underside of part of a pinnule showing the veination.
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