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

20. Cyclosorus pygmaeus Ching & C. F. Zhang, Bull. Bot. Res., Harbin. 3(3): 5. 1983.

矮毛蕨 ai mao jue

Cyclosorus chengii Ching ex K. H. Shing & J. F. Cheng.

Plants 15-40 cm tall. Rhizomes suberect, with brown lanceolate scales. Fronds clustered; stipes 5-15 cm, stramineous; laminae equal to stipes or slightly shorter in length, 5-15 × 3-7 cm, bases not narrowed, apices acuminate; pinnae ca. 10 pairs, sessile, proximal pinnae lanceolate, 1.5-4 × 0.3-0.7 cm, bases truncate, lobed ca. 1/2 toward costae, apices acuminate; segments oblong, obtuse or subtruncate at apices; veinlets 4-6 pairs per segment, proximal pair anastomosing, others to margin above sinus. Laminae herbaceous when dry, yellowish green, with short acicular hairs on both surfaces, and many glandular hairs abaxially. Sori small, submarginal, proximal pair usually confluent; indusia with short thin acicular hairs. Sporangia bearing reddish orange glands on stalks. Spores with short wings.

● Among rocks along streams, wet forest margins; below 100-800 m. Jiangxi, Zhejiang.


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