Etymology
Latin: sub, somewhat or almost + lacera, torn into fringelike segments
Description
Rhizome: erect, branching.
Frond: 70 cm high by 18 cm wide, deciduous or persistent, monomorphic, blade/stipe ratio: 3:1.
Stipe: grooved, scales reddish-brown to dark brown, the scales deciduous, vascular bundles: 3-7 in a c-shaped pattern.
Blade: 2-pinnate, ovate-lanceolate, thick, waxy, linear to ovate scales below, absent above.
Pinnae: pinnae long-triangular, curving slightly upward; pinnules oblong, sometimes eared at the base; costae grooved above, continuous from rachis to costae; margins entire or shallowly lobed, tips rounded, short-spiny; veins free, forked.
Sori: round, in 1 row between midrib and margin, indusium: reniform, thick, inflected, at a sinus, sporangia: brownish.
Dimensionality: pinnae tipped out of the plane of the blade, more so towards the base, the basal pair also bending down.
Culture
Distribution: China, Tibet, India, Nepal, Bhutan.
Hardy to -15�C, USDA Zone 7.
Synonyms
Dryopteris blepharolepis C. Chr.
Dryopteris nyingchiensis Ching
Nephrodium sublacerum Hand.-Mazz.
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Dryopteris sublacera.
�Illustration from The Cultivated Species of the Fern Genus Dryopteris in the United States, Barbara Joe Hoshizaki and Kenneth A. Wilson, American Fern Journal, 89, 1, (1999), with permission.
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