广叶毛蕨 guang ye mao jue

Dryopteris ensifera Tagawa, Acta Phytotax. Geobot. 6: 89. 1937; Christella ensifera (Tagawa) Holttum ex C. M. Kuo; Cyclosorus gaoxiongensis Ching ex K. H. Shing; C. subnamburensis Ching ex K. H. Shing; Thelypteris ensifera (Tagawa) K. Iwatsuki.

Plants 25-40 cm tall. Rhizomes shortly to long creeping, with dark brown linear-lanceolate scales. Fronds approximate to distant; stipes 10-15 cm, dark stramineous; laminae 15-30 × 5-10 cm, bases slightly narrowed, apices caudate; lateral pinnae 4-10 pairs, proximal 1 or 2 pairs shortened, ca. 1 cm or longer; middle pinnae oblanceolate, 3-10 × 1-2 cm, bases truncate to shallowly cordate, lobed 1/3-1/2 toward costae, apices acuminate; segments 8-20 pairs, 3-8 × ca. 3 mm (basal acroscopic one longer and crenate), acute at apices; veinlets 6-10 pairs, simple (sometimes forked on longer segments), proximal 2 pairs anastomosing, next pair running to sinus membrane. Laminae papery, adaxially with several acicular hairs along costae and veins, also with dense minute hairs along and between veins, abaxial surface with several acicular hairs and several clavate glands along veins, and dense minute hairs along and between veins. Sori orbicular, medial; indusia shortly hairy. Sporangia bearing clavate glands on stalks. Spores cristate. 2n = 72.

● Wet places in forests; near sea level to 700 m. S and SE Taiwan.