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FOC | Family List | FOC Vol. 2-3 | Polypodiaceae | Arthromeris

14. Arthromeris wardii (C. B. Clarke) Ching, Contr. Inst. Bot. Natl. Acad. Peiping. 2(3): 94. 1933.

灰背节肢蕨 hui bei jie zhi jue

Polypodium wardii C. B. Clarke, J. Linn. Soc., Bot. 25: 99. 1889; Arthromeris longipinna Ching & Y. X. Lin; Pleopeltis wardii (C. B. Clarke) Beddome.

Rhizome 10-12 mm in diam., densely scaly throughout; scales brown, narrowly lanceolate, ovate at peltate base, 6-10 mm, margin subentire, apex acuminate. Stipe stramineous or dark stramineous, 30-40 cm, glabrous; lamina imparipinnate, ovate-lanceolate, 40-80(-120) × 30-50 cm; pinnae 5-8(-16) pairs, subopposite, sessile, spreading or ascending, ovate-lanceolate, 15-20(-30) × 4-6(-8) cm, base rounded or truncate, cartilaginous margin entire, apex caudate; lamina papery, abaxially usually glaucous, adaxially green, both surfaces glabrous. Sori orbicular, up to 2.5 mm in diam., mostly in 2(or 3) rows along costa in 1 series between veins, sometimes eventually almost confluent.

Epiphytic on tree trunks; 1800-2500 m. Xizang, Yunnan [Bhutan, N India, Myanmar, Nepal].


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