Hymenophyllum pallidum (Blume) Ebihara & K.Iwats.

Species

Angiosperms > Zingiberales > Zingiberaceae > Hymenophylloideae > Hymenophyllum

Characteristics

Rhizome 0.25–0.5 mm diam., forming a dense hairy mat; hairs fine, sparse, whitish to golden red. Fronds 4–16 cm long, pendulous. Stipe wiry, 1–6 cm long, not winged. Lamina ovate-lanceolate, deeply 2-or 3-pinnatifid, 3.5–12 cm long, 1–5 cm wide, ± glaucous, with multi-stratose lamina ± covered with pale brown jointed hairs on either side of the axes and veins (the degree of glaucousness and of hairiness variable); margins entire, thickened. Ultimate segments c. 0.8 mm wide; apex acute to rounded. Sori terminal on basal acroscopic pinna segments; involucre cup-shaped with a narrow, ± pointed base, 1.2–1.8 mm long, 0.6–1 mm diam.; mouth truncate, slightly dilated, entire or ± crenate; receptacle shortly exserted to 0.8 mm beyond the mouth.
More
Plants 4-12 cm tall. Rhizome light brown, ca. 0.3 mm in diam., with light brown spreading hairs, with sparse rootlets. Stipes 0.5-3 cm apart, dark brown, 1-6 cm, with light brown hairs at base, glabrous upward, wingless. Lamina bipinnatifid to bipinnate, oblong or ovate-lanceolate, 3.5-8 × 1-2 cm, base cuneate, apex obtuse; pinnae 8-10 pairs, closely spaced or slightly imbricate to neighboring ones, alternate, sessile, oblong-ovate to ovate, 1-1.8 cm × 5-6 mm, oblique, base cuneate, margin parted, apex obtuse; ultimate segments closely spaced, linear, 0.8-1 mm wide, with a single veinlet, entire, obtuse at apex. Veins filiform, brown, dichotomous. 2n = 72.
Life form -
Growth form herb
Growth support free-standing
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Mature height (meter) 0.04 - 0.12
Root system rhizome
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Environment

Grows on wet rocks, rotting logs and tree trunks in montane tropical rainforest.
Light -
Soil humidity 4-6
Soil texture 7-8
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Hardiness (USDA) 9-12

Usage

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Edible -
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Cultivation

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Images

Hymenophyllum pallidum unspecified picture

Distribution

Hymenophyllum pallidum world distribution map, present in Argentina, Australia, China, Fiji, Micronesia (Federated States of), Indonesia, Lao People's Democratic Republic, Sri Lanka, Malaysia, Philippines, Papua New Guinea, Singapore, Solomon Islands, Thailand, Taiwan, Province of China, Viet Nam, Vanuatu, and Samoa

Identifiers

LSID urn:lsid:ipni.org:names:60447928-2
WFO ID wfo-0000145986
COL ID 3NKKR
BDTFX ID -
INPN ID 454638
Wikipedia (EN)
Wikipedia (FR) Link

Synonyms

Hymenophyllum pallidum Leucomanes album Trichomanes glaucescens Trichomanes savaiense Craspedoneuron glaucofuscum Craspedoneuron pallidum Trichomanes glaucofuscum Trichomanes pallidum Pleuromanes pallidum Trichomanes braunii Craspedoneuron braunii Crepidomanes pallidum