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Odontosoria clavata

(Clubbed Creepingfern)

Interesting Facts

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Common Names

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Common Names in English:

Clubbed Creepingfern, Parsley Fern, Wedgelet Fern

Description

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Genus Odontosoria

Plants terrestrial or on rock, not forming colonies. Stems creeping on substrate surface, mostly short; hairs brown, jointed (grading into long, narrow scales with uniseriate tip ), not clathrate. Leaves closely spaced to quite distant , erect to arching , narrowly oblong [triangular, ovate , to irregularly shaped], 10--50 cm [to 6 m ]. Petiole glabrous or with a few basal scales , stem buds absent, vascular bundles 1. Blade 3--4-pinnate [2--5-pinnate, sometimes scandent or climbing ], ± glabrous [some species with spines on petiole, midrib , or costae]; rachises without prickles; nectaries absent. Segments nearly dichotomously divided ; ultimate segments linear to cuneate, margins entire or bifid. Veins free , simple or forked . Sori terminal near blade margin on single vein or on commissure joining 2--8 veins, ± spheric to transversely elongate , indusia attached at base and sides, opening toward margin. Spores tetrahedral to nearly globose , or oblong, trilete or monolete, smooth or granulate . x = 38, 47.

Species 22: mostly tropical .[1]

Physical Description

Species Odontosoria clavata

Stems short-creeping, scales very narrow, dark brown, leaves closely spaced. Blade oblong , ca. 10--25 cm; ultimate segments narrowly elongate-cuneate, often 1--1.5 cm × 0.5--2 mm, papery , apically denticulate especially when sterile . Sori on 1--8 vein endings; indusia erose at distal margin . Spores trilete. 2 n = 76. [source]

Habit: Forb/herb

Habitat

Calcareous soil, sinks and pinelands; 0 m [2].

Biology

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Reproduction

Duration: Perennial

Taxonomy

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Synonyms

Adiantum clavatum Linnaeus • Sphenomeris chinensis (L.) Maxon • Sphenomeris chusiana (L.) Copeland • Sphenomeris clavata (Linnaeus) Maxon • Stenoloma clavatum (Linnaeus) Fée

Notes

Name Status: Accepted Name .

Last scrutiny: 15-Mar-2000

Similar Species

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Members of the genus Odontosoria

ZipcodeZoo has pages for 4 species, subspecies, varieties, forms, and cultivars in this genus:

O. aculeata (Thicket Creepingfern) · O. chinensis (Chinese Creepingfern) · O. clavata (Clubbed Creepingfern) · O. scandens (Border Creepingfern)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal February 01, 2008:

Identifiers

Footnotes

  1. Karl U. Kramer "Odontosoria". in Flora of North America Vol. 2. Oxford University Press. Online at EFloras.org. [back]
  2. "Odontosoria clavata". in Flora of North America Vol. 2. Oxford University Press. Online at EFloras.org. [back]
Last Revised: 7/15/2012