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Ophioglossum costatum R.Br.

Species

Pteridophytes > Ophioglossales > Ophioglossaceae > Ophioglossoideae > Ophioglossum

Characteristics

Rhizome erect, globose, bearing numerous, fibrous roots. Fronds erect, 4–25 cm tall; leaf bases not persistent. Common stipe 7–50 mm long. Sterile lamina sessile, ovate, 2.5–9 cm long, 7–25 mm wide, pale green, with a paler median band; base cuneate to truncate; apex acute or obtuse; venation double, except for elongated areoles in median zone; primary areoles with a finer network of secondary ones. Sporophore 1–6 cm long, on a 5–25 cm long stipe.
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Rhizome up to 1 cm in diam., subglobose with 1-4 leaves, the leaf-bases not persistent. Petiole 1-5-5 cm long, subterranean for most of its length. Sterile lamina up to 11 x 1-8 cm, narrowly elliptic, oblong-lanceolate to broadly elliptic, acute to obtuse with or without a short mucro, base narrowly cuneate to rounded. Fertile spike 5-25 cm long, inserted at the base of the lamina, with up to 60 pairs of sporangia, apex acute.
Rhizome orbicular, up to 10 mm wide, bearing a mass of wiry roots. Leaves 1-4, commonly 2. Petiole 10-55 mm long. Lamina narrowly to broadly elliptic, with an apparent midrib. Fertile spike 50-250 mm long.
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Growth form herb
Growth support free-standing
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Mature height (meter) 0.02 - 0.13
Root system fibrous-root rhizome
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Environment

Depressions in damp sandy ground, often overlaying rocks in open among short grass.
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Occurs in swampy areas often among rocks along streams.
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Soil texture 7-8
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Hardiness (USDA) 8-11

Usage

Uses medicinal
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Cultivation

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Distribution

Ophioglossum costatum world distribution map, present in Angola, Australia, Burundi, Benin, Burkina Faso, Bangladesh, Botswana, Central African Republic, Côte d'Ivoire, Cameroon, Congo, Ethiopia, Ghana, Guinea, Guinea-Bissau, Indonesia, India, Kenya, Liberia, Sri Lanka, Madagascar, Mali, Mozambique, Malawi, Malaysia, Nigeria, New Zealand, Philippines, Sudan, Senegal, Sierra Leone, Sao Tome and Principe, Chad, Thailand, Trinidad and Tobago, Tanzania, United Republic of, South Africa, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:17167400-1
WFO ID wfo-0001110732
COL ID 49X82
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Ophioglossum felixii Ophioglossum brevipes Ophioglossum pedunculosum Ophioglossum fibrosum Ophioglossum wightii Ophioglossum costatum Ophioglossum vulgatum var. costatum Ophioglossum vulgatum var. pedunculosum
WorldFloraDB 2024