Overview

Comprehensive Description

Description

Rhizome erect or inclining, c.20 mm in diameter; rhizome scales up to 6 mm long, dark brown, lanceolate, often thinly pilose.   Fronds tufted, arching, not proliferous, herbaceous.   Stipe up to 40 cm long, pale brown, thinly set with minute stiff hairs.   Lamina up to 59 × 30 cm, ovate to broadly lanceolate in outline, deeply 2-pinnatifid, apex tapering to a point with a pinnatifid terminal segment, basal 2 pairs of pinnae slightly reduced and deflexed.  Pinnae linear-oblong, apex tapering to a point; ultimate lobes narrowly oblong, slightly falcate, apex rounded, basal acroscopic lobe enlarged; both surfaces with long, white hairs, more so below, particularly along the veins, costae and costules; veins 1 pair meeting some way below the sinus. Rhachis set with long pale hairs.   Sori round, up to 13 per lobe; indusia coriaceous, thickly set with long white hairs.
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Source: Flora of Zimbabwe

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Derivation of specific name

hispidula: minutely rough with stiff hairs (hispidulous)
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Source: Flora of Zimbabwe

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Distribution

Worldwide distribution

From southern Africa & nothern Swaziland to southeastern border of Zimbabwe and mountainous regions in Mozambique; also in most of tropical Africa, Madagascar, Mauritius, Seychelles, E. tropical Asia and tropical S. America.
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© Mark Hyde, Bart Wursten and Petra Ballings

Source: Flora of Zimbabwe

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National Distribution

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Physical Description

Morphology

Description

Varieties 4 (1 in the flora): tropical and subtropical, North America, Mexico, West Indies in the Antilles, Central America, South America, Asia, Africa.
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Source: Missouri Botanical Garden

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Diagnostic Description

Synonym

Aspidium hispidulum Decaisne, Nouv. Ann. Mus. Hist. Nat. 3: 346. 1834; Christella hispidula (Fée) Holttum; Cyclosorus quadrangularis (Fée) Tardieu-Blot; Dryopteris hispidula (Decaisne) Kuntze; D. quadrangularis (Fée) Alston; Thelypteris quadrangularis (Fée) Schelpe
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Source: Missouri Botanical Garden

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Ecology

Habitat

Comments: Terrestrial im moist soil, often weedy in disturbed places (Lellinger 1985).

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Population Biology

Frequency

Rare
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© Mark Hyde, Bart Wursten and Petra Ballings

Source: Flora of Zimbabwe

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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

Reasons: Widespread (in U.S., SC to FL and TX; elsewhere Greater and Lesser Antilles, Tobago, Trinidad, continental tropical America from Mexico to Bolivia, tropical Africa, Malesia. Frequent within range.

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Notes

Comments

This species and the next are included in Christella subg. Christella by R. E. Holttum (1982). 

 The relationship between Old World and New World varieties is unstudied.

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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Source: Missouri Botanical Garden

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