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FOC | Family List | FOC Vol. 2-3 | Gleicheniaceae | Dicranopteris

4. Dicranopteris gigantea Ching, Fl. Reipubl. Popularis Sin. 2: 346. 1959.

乔芒萁 qiao mang qi

Plants 3-4 m tall. Rhizomes not seen. Stipes dark brown, cylindrical, 1-2 m, ca. 5 mm wide, glabrous; rachis 2 or 3 times dichotomously branched; apical buds ovate, ca. 2 mm, covered with dense brown hairs; bracts ovate-oblong, 6-10 mm, margin entire or rarely crenate, apex obtuse; rachis with a pair of lateral pinnules at each dichotomy; lateral pinnules oblong, 17-25 × 6-7 cm; lobes 30-40 on each side; ultimate pinnae lanceolate, 35-40 × 9-15 cm, base slightly attenuate, apex long caudate; lobes 50-60 on each side, linear, 3-8 × 0.4-0.45 cm, margin entire, apex obtuse, bilobate, or emarginate; lamina papery, bluish green abaxially, green adaxially, glabrous; costae prominent adaxially; veins inconspicuous, 4 or 5 in each group. Sori in 1 line on each side of costule; sporangia 5-8.

● Forests; 100-300 m. Hainan, Yunnan (Hekou, Mengzi).


 

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