Pteris scabririgens Fraser-jenk., S.C.Verma & T.G.Walker

Species

Pteridophytes > Polypodiales > Pteridaceae > Pteridoideae > Pteris

Characteristics

Plants to ca. 1 m tall. Rhizome ascending, short, ca. 1.8 cm in diam., apex densely scaly; scales dark brown, triangular-subulate, to 7 mm. Fronds clustered; stipe darker at base, upper part and rachis grayish brown to straw-colored, stipe to 45 cm, 2.5-3 mm in diam., distinctly rough, conspicuously scaly when young, glabrous, adaxially grooved; lamina 2-pinnatifid, ovate in outline, 30-60 × 16-30 cm; lateral pinnae 5-11 pairs, opposite, obliquely ascending, basal pairs 6-8 cm apart, basal pair shortly stalked, upper sessile, lanceolate, 14-24 × 2.5-4 cm, base obliquely cuneate, pectinately divided to near costae, apex linear-caudate, 1-3.5 cm, basal pair of pinnae each with basiscopic pinnule at base, similar to main part of pinnae but smaller; segments 20-29 pairs, subopposite to alternate, 2-3 mm apart, obliquely spreading, oblong-triangular, slightly to strongly falcate, 15-30 × 4-5 mm, progressively smaller distally, base slightly expanded, margins entire or minutely undulate, apex mucronate; terminal pinna similar to median lateral pinnae but larger, stalked; costae abaxially prominent, straw-colored, sometimes reddish adaxially, glabrous, adaxially grooved, with short adpressed teeth alongside groove near junction with costules; veins conspicuous on both surfaces, oblique, 2-forked from base; lamina bright pink when young, turning yellow and then green when mature, gray-green and stiffly papery when dried, glabrous. Indusia brown. 2n = 58.
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Growth form herb
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Mature height (meter) 1.0
Root system rhizome
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Hardiness (USDA) 7-12

Usage

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Cultivation

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Distribution

Pteris scabririgens world distribution map, present in Bhutan, China, India, and Nepal

Identifiers

LSID urn:lsid:ipni.org:names:77100162-1
WFO ID wfo-0001035967
COL ID 78L68
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pteris scabririgens