Adiantum mariesii Baker

Species

Pteridophytes > Polypodiales > Pteridaceae > Vittarioideae > Adiantum

Characteristics

Plants epilithic, small, 2-3 cm tall. Rhizomes erect, short, scales black-brown, lanceolate, margins entire. Fronds clustered; stipe dark castaneous, ca. 1 cm, as slender as silk; lamina 1-pinnate, ovate in outline, ca. 2 × 1 cm, costae and stalks same color as stipe; pinnules 1-3 pairs, subopposite, easily deciduous when dry; stalk 1-2 mm, articulate; blade obliquely spreading, orbicular or subovate-orbicular, 2.5-4 × 2.5-4 mm, papery, abaxially slightly pale blue-grayish, glabrous, adaxially brown-green and glossy, base rounded or rounded-cuneate, lateral margins entire or slightly undulate, upper margin rounded and with indistinct sinuses in middle; veins undivided, 4 forked veinlets running from base to margin, visible on both surfaces. Sori 1 per pinnule; false indusia brown, orbicular, upper margins flat and straight, slightly depressed, persistent.
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Growth form herb
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Foliage retention deciduous
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Mature height (meter) 0.02 - 0.03
Root system rhizome
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Environment

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Hardiness (USDA) 6-11

Usage

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Edible -
Therapeutic use -
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Cultivation

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Distribution

Adiantum mariesii world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:325046-2
WFO ID wfo-0001122258
COL ID 653L4
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Adiantum nanum Adiantum mariesii Adiantum acrocarpon