Upside Down Fern (Arachniodes standishii)

Arachnoides standishii.JPG
Arachnoides standishii.JPG
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Upside Down Fern (Arachniodes standishii)

10.00

The ferns in the genus Arachniodes have had a checkered history having been linked with both Polystichum and Dryopteris as well as turning up in old floras under the genera Laestra, Aspidum, and Polystichopsis. A. standishii is one of the most beautiful in the genus with large tri- to quadripinnate, three to four times divided, mid-green horizontally arching fronds. The short creeping rhizome is angled sideways so that the elongated triangular fronds arise in an irregular fashion. The texture of A. standishii is softer than the glossy patina that is associated with both A. aristata and A. simplicior, which is often labeled in the trade as A. aristata 'Variegata'. It has earned the nickname upside-down fern due to its unique structure of the upper surface appearing to be constructed, the pinnae and pinnule rachises prominently raised, as the lower surface would be in other ferns.

Frond Condition:  Evergreen to semi-evergreen
Mature Height:  12-36" (1'-3')
Origin:  Japan, Korea, Southern China, Vietnam
Cultural Requirements: Some Shade, Partly Shaded, Full Shade, Evenly Moist
USDA Zones:  4,5,6,7,8,9
Notes: Limited stock available

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The ferns in the genus Arachniodes have had a checkered history having been linked with both Polystichum and Dryopteris as well as turning up in old floras under the genera Laestra, Aspidum, and Polystichopsis. A. standishii is one of the most beautiful in the genus with large tri- to quadripinnate, three to four times divided, mid-green horizontally arching fronds. The short creeping rhizome is angled sideways so that the elongated triangular fronds arise in an irregular fashion. The texture of standishii is softer than the glossy patina that is associated with both A. aristata and A. simplicior, which is often labeled in the trade as A. aristata 'Variegata. It has earned the nickname upside-down fern due to its unique structure of the upper surface appearing to be constructed, the pinnae and pinnule rachises prominently raised, as the lower surface should be would be in other ferns.

Frond Condition:  Evergreen to semi-evergreen
Mature Height:  12-36" (1'-3')
Origin:  Japan, Korea, Southern China, Vietnam
Cultural Requirements: Some Shade, Partly Shaded, Full Shade, Evenly Moist
USDA Zone  4,5,6,7,8,9
Notes: Limited stock available