滇越金星蕨 dian yue jin xing jue

Dryopteris indochinensis Christ, J. Bot. (Morot), ser. 2, 1: 263. 1908; Lastrea indochinensis (Christ) Tagawa; Thelypteris indochinensis (Christ) Ching.

Plants ca. 60 cm tall. Rhizomes short and decumbent. Fronds subclustered; stipes ca. 30 cm, proximal part black, polished, with denser grayish white multicellular long acicular hairs, distally castaneous-brown, sparsely pubescent; laminae oblong, ca. 30 × 20-40 cm, bases not tapering, pinnate-pinnatifid, apices acuminate and pinnatifid; pinnae ca. 15 pairs, spreading, alternate, sessile, proximal pair not shortened; middle pinnae lanceolate, 10-12 × ca. 2 cm, bases not tapering, truncate, symmetrical, pinnatifid and reaching narrow wings on both sides of costae, apices acuminate; segments ca. 24 pairs, linear-lanceolate, slightly falcate, slightly tapering to apices, rounded-truncate, entire. Veins evident, lateral veins simple, 6 or 7 pairs per segment, proximal pair arising above base of costules. Laminae herbaceous, when dry grayish green, abaxially with dense multicellular barblike long hairs, adaxially along costal grooves with dense long acicular hairs, main veins slightly setaceous or subglabrous, rachises with dense long acicular hairs adaxially. Sori orbicular, dorsifixed at middle of lateral veins, 5 or 6 pairs per segment; indusia smaller, orbicular-reniform, brown, membranous, separated from each other, densely pubescent, persistent.

Shaded wet places in valley forests. S Guangxi, S Yunnan [border of Vietnam].