Hymenasplenium hondoense (N.Murak. & Hatan.) Nakaike

Species

Pteridophytes > Polypodiales > Aspleniaceae > Hymenasplenium

Characteristics

Plants 25-40 cm tall. Rhizomes shortly creeping, 2-3 mm in diam., apex densely scaly; scales castaneous to dark brown, narrowly triangular; phyllopodia distinct, ca. 2 mm tall, ca. 10 mm apart. Fronds grayish green when dry, herbaceous; lamina 1-pinnate, narrowly triangular to lanceolate, 10-20 × 3-5 cm, widest in basal 1/3, gradually narrowing toward apex, glabrous; stipe shiny, purple, 10-25 × 0.05-0.15 cm, subglabrous, base sparsely scaly; rachis shiny, purplish abaxially, adaxial side grooved and with 2 grayish green narrow wings; pinnae almost sessile to shortly stalked with rachis color extending via stipicel onto base of costa abaxially, 15-25 pairs, alternate, usually ascending, trapeziform to falcate, 2-3.5 × 0.6-1 cm, base asymmetrical, acroscopic side truncate, basiscopic side attenuate-cuneate with 1/3-1/2 cut away, acroscopic margin serrate, teeth not retuse, pinna apex subacute to obtuse. Veins forking and terminating in marginal teeth, 2 or 3(or 4) basal basiscopic veins lacking. Sori linear, 4-5 mm, medial; indusia brownish, linear, membranous, entire, opening toward costa. Plants usually agamosporous.
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Mature height (meter) 0.25 - 0.4
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Hardiness (USDA) 8-12

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Cultivation

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Distribution

Hymenasplenium hondoense world distribution map, present in Bhutan, China, India, Japan, Myanmar, Nepal, and Korea (Democratic People's Republic of)

Identifiers

LSID urn:lsid:ipni.org:names:17560400-1
WFO ID wfo-0001239908
COL ID 3NHQR
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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Asplenium hondoense Hymenasplenium hondoense Asplenium unilaterale var. birii