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FOC | Family List | FOC Vol. 2-3 | Thelypteridaceae | Glaphyropteridopsis

6. Glaphyropteridopsis splendens Ching, Acta Phytotax. Sin. 8: 322. 1963.

大叶方杆蕨 da ye fang gan jue

Plants ca. 1.2 m tall. Rhizomes strong, decumbent, subwoody and glabrous. Fronds subapproximate; stipes ca. 50 cm, deeply grooved, glabrous, stramineous; laminae narrowly oblong, ca. 80 × 28 cm, not tapering to bases, pinnate-pinnatifid nearly to costae, acuminate and pinnatifid at apices; pinnae ca. 30 pairs or more, opposite or subopposite, sessile, proximal several pairs not shortened; middle pinnae linear-lanceolate, ca. 21 × 2.5 cm, (ca. 3.5 cm wide at bases), bases symmetrical, acroscopic sides truncate and close to rachises, basiscopic sides rounded, pinnatifid nearly to costae, apices long acuminate; segments 35-40 pairs, spreading, lanceolate and slightly falcate, ca. 1.2 × 0.4 cm (proximal pair 1.6-2 cm), gradually broadened to bases and gradually tapering and pointed at apices and entire, separated by obtriangular sinuses. Veins visible, ca. 14 pairs per segment, simple, proximal pair arising from base of costules and reaching margins above sinuses. Laminae thinly herbaceous, green when dry, pinnae adaxially with short setae along costules, abaxially with dense grayish white acicular hairs along rachises, costae, and veins; rachises stramineous, rectangular. Sori orbicular, 10-12 pairs per segment, attached at bases of veinlets, in one row on each side of costules; indusia scalelike, small, hairy. Sporangia hairy near tops.

● On rocks in forests; ca. 600 m. Sichuan (Emei Shan).


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