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FOC | Family List | FOC Vol. 2-3 | Dryopteridaceae | Polystichum

60. Polystichum integrilobum (Ching ex Y. T. Hsieh) W. M. Chu ex H. S. Kung & Li Bing Zhang, Acta Phytotax. Sin. 36: 244. 1998.

钝裂耳蕨 dun lie er jue

Sorolepidium integrilobum Ching ex Y. T. Hsieh, Bull. Bot. Res., Harbin 9(3): 48. 1989.

Plants summer-green. Rhizome erect, densely covered with lanceolate yellowish brown scales. Fronds 12-20 cm; stipe stramineous, 4-7 cm, ca. 2 mm in diam. at base, densely covered with narrowly ovate and linear yellowish brown scales. Lamina bipinnatifid, lanceolate, 12-20 × 2-4 cm, gradually narrower toward base, acuminate; rachis without proliferous bulbils, densely covered with scales on both surfaces; scales stramineous, lanceolate and linear. Pinnae 18-22 pairs, alternate, attached at right angles to rachis, sessile, deltoid-lanceolate, middle pairs 1-2 cm × 5-8 mm, bases obliquely broadly cuneate, auriculate acroscopically, pinnatipartite, apices obtuse. Lobes 2-5 pairs, nearly opposite, slightly ascendant, approximate, oblong, entire; abaxially with many lanceolate yellowish brown microscales, adaxially subglabrous; frond texture papery; venation pinnate on lobes, indistinct on both surfaces. Sori in 1 row on each side of midrib; indusia present, serrulate.

● Shrubs, rock crevices; 2900-3900 m. NW Yunnan (Lijiang).


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