景洪毛蕨 jing hong mao jue

Cyclosorus baiseensis Ching ex K. H. Shing; C. oppositus Ching ex K. H. Shing; C. pumilus Ching ex K. H. Shing.

Plants 30-80 cm tall. Rhizomes erect to suberect, apices including stipe bases with dark brown lanceolate scales. Fronds clustered; stipes 5-20 cm, stramineous; laminae 25-60 × 8-18 cm, bases gradually narrowed, apices acuminate to caudate; pinnae 10-20 pairs, proximal 3-5 pairs gradually shortened, proximal pair ca. 1 × 1 cm; middle pinnae lanceolate, 5-10 × 1-2 cm, bases subtruncate, lobed ca. 1/3 toward costae, apices acuminate; segments 15-20 pairs, subsquare, 2-4 × ca. 3 mm, entire, obtuse at apices; veinlets 5-7 pairs, proximal 1-1.5 pairs anastomosing, next 1-1.5 pairs running to sinus membrane. Laminae herbaceous, grayish green when dried, veins with sparse short hairs on both surfaces, abaxial surface with reddish orange glands along and between veins. Sori orbicular, medial; indusia shortly hairy. Sporangia bearing reddish orange glands on stalks. Spores thinly cristate.

Wet places in forests, semi-open places by forest margins; 200-1000 m. Guangxi, Hainan, S Yunnan [Thailand, Vietnam].