Lectotypification of Pleuridium subulatum and P. acuminatum

Kwok Leung Yip

doi:10.1639/0007-2745(2002)105[0259:LOPSAP]2.0.CO;2

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Kwok Leung Yip^1,*

¹Herbarium, Department of Biological Sciences, University of Cincinnati, Cincinnati, OH 45221-0006, U

^*Current address: Hong Kong Herbarium, Agriculture, Fisheries and Conservation Department, Room 737, Cheung Sha Wan Government Offices, 303 Cheung Sha Wan Road, Kowloon, Hong Kong;KL_YIP@afcd.gov.hk

Abstract

Two widespread, polymorphic, but morphologically similar species of Pleuridium have long confused botanists. The sexual condition (autoicous versus paroicous) and perichaetial leaf lamina thickness (unistratose versus bistratose) morphologically distinguish Pleuridium subulatum from P. acuminatum. Additional evidence from cytological voucher specimens revealed that two chromosome numbers (n = 13 and n = 26) are congruent with the two respective taxa. Pleuridium subulatum (Hedw.) Rabenh. is lectotypified by a specimen from the herbarium of J. Hedwig and Pleuridium acuminatum Lindb. by a specimen from the herbarium of S. O. Lindberg).

Citation Download Citation

Kwok Leung Yip "Lectotypification of Pleuridium subulatum and P. acuminatum," The Bryologist 105(2), 259-261, (1 June 2002). https://doi.org/10.1639/0007-2745(2002)105[0259:LOPSAP]2.0.CO;2

Received: 6 August 2001; Accepted: 1 November 2001; Published: 1 June 2002

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