Adiantum gravesii Hance

Species

Pteridophytes > Polypodiales > Pteridaceae > Vittarioideae > Adiantum

Characteristics

Plants terrestrial, 4-14 cm tall. Rhizomes erect, short, scales black subulate-lanceolate, margins denticulate. Fronds clustered; stipe castaneous-black, glossy, 1-6 cm, slender, glabrous; lamina 1-pinnate, oblong or ovate-lanceolate in outline, 3-6 × 2-2.5 cm; costae and stalks same color as stipes; pinnules 2-4 pairs, 1-2 cm apart, alternate, obliquely spreading upward; stalk up to 3 mm (ca. 1/5 as long as pinnae or shorter), articulate, persistent after pinnules fall; blade broadly obovate or broadly ovate-triangular, ca. 1 × 1 cm, papery, abaxially glaucous, adaxially grayish green, both surfaces glabrous, base rounded-cuneate or rounded, both sides slightly undulate, apex rounded, with 1(or 2) shallow sinus, entire; veins dichotomously branching, and reaching cartilaginous margins, visible on both surfaces. Sori 1(or 2) per pinna; false indusia brown, reniform or lunate (rarely orbicular), leathery, upper margin depressed, persistent.
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Growth form herb
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Foliage retention deciduous
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Mature height (meter) 0.04 - 0.14
Root system rhizome
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Environment

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Hardiness (USDA) 6-11

Usage

Uses medicinal
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Cultivation

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Distribution

Adiantum gravesii world distribution map, present in China and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:325041-2
WFO ID wfo-0001122261
COL ID 653HB
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Adiantum gravesii Adiantum leveillei Adiantum greenii Adiantum gravesii var. leveillei