Diplazium taiwanense Tagawa
Diplazium taiwanense Tagawa, Acta Phytotax. Geobot. 5: 259. 1936; Tagawa & K.Iwats., SouthE. Asian Stud. 5: 105. 1967; Tagawa & K.Iwats., Fl. Thailand 3: 462. 1988; Boonkerd & Pollawatn, Pterid. Thailand: 197. 2000. – Type: Tagawa 624, Taiwan ("Formosa"), Prov. Taihoku, Mt. Sitisei, 28 Aug. 1934 (Type in Herb. Kyoto Imp. Univ.).
Rhizome erect; scales dark brown, up to 15 by 1.2 mm, toothed. Stipes about 50 cm long, scaly below. Laminae subdeltoid, about 60 by 55 cm, bipinnate; lower pinnae oblong with acuminate apex, up to 30 by 15 cm; larger pinnules distinctly stalked, subtriangular, broadly cuneate at base, gradually narrowing towards acute apex, lobed 1/3 way to costule, up to 8 by 1.8 cm; lobes subquadrangular, moderately rounded to obtuse at apex, indistinctly serrate; softly papyraceous; dark green, paler beneath; veins pinnate, veinlets all simple. Sori oblong, usually along middle or posterior portion of veinlets, medial or submarginal.
Distribution in Thailand
CENTRAL: Nakhon Nayok.
N Vietnam and Taiwan to SW Japan.
On moist ground along rivers in light shade at about 800 m alt.
Proposed IUCN Conservation Assessment
Least Concern (LC). This species is widespread outside of Thailand and not under any known threat.
Site hosted by the Royal Botanic Garden Edinburgh. Content managed by Stuart Lindsay, Gardens by the Bay, Singapore and David Middleton, Singapore Botanic Gardens. Last updated 16 November 2016.