Polypodium lineare Burm. f.

Mazumdar, Jaideep, Callmander, Martin W. & Fumeaux, Nicolas, 2019, Typification and nomenclature of the ferns described in N. L. Burman’s Flora Indica, Candollea 74 (1), pp. 93-109 : 100

Polypodium lineare Burm. f. , Fl. Ind.: 235, tab. 67, fig. 2. 1768.

≡ Dicranopteris linearis (Burm. f.) Underw. in Bull. Torrey Bot. Club 34: 250. 1907.

Lectotypus (designated by MERRILL, 1921: 336): INDONESIA. Java: s.d., H. van Santen s.n. ( G-PREL [ G00360111 ]!) .

Notes. – In the protologue, BURMAN (1768: 235) referred to two pre-Linnaean publications and a plate. He did not mention any collector, but “ Habitat in Java ” as locality and the Javanese vernacular name “ Pakoe-hantam ”. The latter should be regarded as specimen citation (the only one in the protologue!), since this name is not mentioned in any of the cited publications.

Asingle gathering in G-PREL [G00360111] matches this specimen citation: it bears the Javanese name “ Pakoe-hantam ”, the mention “ ex Java hanc accepi ab H. v Santen 1758 ” from J. Burman’s hand, and the species name in N.L. Burman’s handwriting. The collector, Henricus van Santen (1714 – 1765), arrived in Batavia [Jakarta] in 1747 and stayed as Head of the Surgery for the VOC until his death in 1765 ( FLORIJN, 1987).

MERRILL (1921: 336) stated that “Burman’s actual type is a Javan specimen”. As a single specimen from Java is extant in G-PREL, this citation should be considered a valid implicit lectotypification. This was overlooked by WIJNANDS et al. (2017: 186).

Subsequent authors such as HOLTTUM (1959b) and KNAPP (2014) cited original material from Ceylon or Sri Lanka in Herb. Delessert (G). Two collections in G-PREL originated from Ceylon [ Sri Lanka] [G00349562, G00349563]. Both are collections from the Ceylon’s VOC, dated 1773, and cannot be considered as original material.