Systematic revision of the Poa sphondylodes Trin. complex(Poaceae)

摘要

The taxonomic status of the Poa sphondylodes Trin. complex (Poa sect. Stenopoa Dumort., Poaceae) is discussed. Two subspecies are recognized: Poa sphondylodes subsp. kelungensis Ohwi, restricted to Taiwan and Poa sphondylodes subsp.sphondylodes, with a wide distribution in the eastern part of China, Korea, Japan, and the Far East of Russia. This latter includes 5 varieties, Poa sphondylodes var. sphondylodes, Poa sphondylodes var. erikksonii Melderis, Poa sphondylodes vat subtrivialis Ohwi, Poa sphondylodes var. macerrima Keng, and Poa sphondylodes var. plurifolia (Keng)Olonova.