Diplazium virescens Kunze

Family

Athyriaceae

Nomenclature

Diplazium virescens Kunze, Bot. Zeitung (Berlin) 6: 537. 1848; Mitsuta, Acta Phytotax. Geobot. 36: 148. 1985. – Athyrium virescens (Kunze) Ohwi, Bull. Natl. Sci. Mus., Tokyo, Ser.2, 3: 100. 1956.

Diplazium okinawaense Tagawa, Acta Phytotax. Geobot. 2: 199. 1933; Mitsuta, Acta Phytotax. Geobot. 36: 148. 1985.

Description

Rhizome creeping; scales black, linear, toothed. Stipes 30–45 cm long, stramineous, scaly at base. Laminae deltoid, bipinnate, apex pinnatifid, to 50 cm long and 40 cm wide; basal pinnae the largest, 18–30 cm long, 9–15 cm wide. Pinnules sessile or lowermost very shortly stalked, 4.5–8 mm long, 1–1.5 cm wide, base truncate, apex acuminate, lobed almost to 1/2 way to costae; ultimate segments oblong, apex rounded. Sori short, medial on veinlets.

Distribution in Thailand

NORTH-EASTERN: Loei.

Wider Distribution

China, Japan, Ryukyus, Taiwan.

Proposed IUCN Conservation Assessment

Least Concern (LC). This species is widespread outside of Thailand and not under any known threat.

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