A JOURNAL ON TAXONOMIC BOTANY, PLANT SOCIOLOGY AND ECOLOGY 12(2) REINWARDTIA A JOURNAL ON TAXONOMIC BOTANY, PLANT SOCIOLOGY AND ECOLOGY Vol. 12(2): 129-204.22 November 2004 Editors ELIZABETH A. WIDJAJA, MIEN A. RIFAI, SOEDARSONO RISWAN, JOHANIS P. MOGEA Correspondence and subscriptions of the journal should be addressed to HERBARIUM BOGORIENSE, BIDANG BOTANI, PUSAT PENELITIAN BIOLOGI - LIPI, BOGOR, INDONESIA REINWARDTIA Vol 12, Part 2, pp: 191 – 193 THE CORRECT NAME FOR PYRROSIA HASTATA CHING (POLYPO- DIACEAE, PTERIDOPHYTA) J.F. VELDKAMP Nationaal Herbarium Nederland, Universiteit Leiden Branch, P.O. Box 9514, 2300 RA Leiden, The Netherlands. E-mail: veldkamp@nhn.leidenuniv.nl ABSTRACT VELDKAMP, J.F. 2004. The correct name for Pyrrosia hastate Ching (Polypodiaceae, Pteridophyta). Reinwardtia 12 (2): 191 -193. Pyrrosia hastata Ching (Polypodiaceae, Pteridophyta) is based on Acrostichum hastatum Thunb. (1784) non Houtt. (1783). Its correct name is P. tricuspis (Sw.) Tagawa. Key words: Acrostichum hastatum, Pyrrosia tricuspis, Polypodiaceae, Houttuyn, Thunberg ABSTRAK VELDKAMP, J.F. 2004. Nama yang benar untuk Pyrrosia hastate Ching (Polypodiaceae, Pteridophyta). Reinwardtia 12 (2): 191 – 193. Pyrrosia hastata Ching (Polypodiaceae, Pteridophyta) didasarkan pada Acrostichum hastatum Thunb. (1784) non Houtt. (1783). Nama yang benar adalah P. tricuspis (Sw.) Tagawa. Kata Kunci: Acrostichum hastatum, Pyrrosia tricuspis, Polypodiaceae, Houttuyn, Thunberg Pyrrosia hastata Ching (Polypodiaceae, Pteridophyta), from China (Anhui), Japan and S Korea is sometimes cultivated as an ornamental (Hoshikazi, 1981) called Felt fern. Its correct name is therefore of some interest to taxonomy, horticulture, and conservation. The species was first collected in Japan by Carl Pehr Thunberg (1743–1828), who sent it to Martinus Houttuyn (1720–1798) in Amsterdam, along with numerous other duplicates of his collectionsmade in the cape, Ceylon, Java, and Japan. Houttuyn was a Dutch naturalist who published the 'Natuurlijke Historie' (1773–1783), a series of 37 volumes with over 21.500 pages of text in Dutch, distantly related to the 12th and 13th editions of Linnaeus' Systema vegetabilium (1767, 1770) (Wijnands, Heniger & Veldkamp, in prep.). Some of the names with which Thunberg had labeled his collections were used in this opus magnum and have priority over those used later by Thunberg in Murray (May–Jun 1784) and the Flora japonica (Aug 1784). This fact was noted before, notably by Merrill (1938), but overlooked by others, and the present case is one of these. Acrostichum hastatum Thunb. ex Houtt. was described and depicted by Houttuyn in 1783, and a type specimen is present in G. The name was used again by Thunberg in Murray and the Flora japonica, and in the latter it is provided with plate 34. Some authors have suggested that Olaf Swartz (1760–1818) might have seen the original specimen in UPS, but presently it could not be found in UPS-Thunb. (Wijnands, Heniger & Veldkamp, in preparation). As the type specimen is missing, plate 34 in the Flora japonica (1784) is here designated as the lectotype of Thunberg's combination. Because these combinations were based on different specimens deposited in different places, Acrostichum hastatum Thunb. is a later, hetero- typic, synonymous homonym, as was previously noted by Tagawa (1957). (Compare Art.8.Ex.5). The names are not isonyms, as these are homotypic (Art.6.Ex.2). It must be noted that Art. 33.6 does not apply. Example 10 (see also Art. 6. Ex. 1) at first sight appears to be similar to the present problem, but note the words ‘with the same type’. From Art. 8.3 (footnote!) it is clear that the Houttuyn and Thunberg specimens (although quite possibly parts of the same gathering) can at most be regarded as ‘duplicates’ or ‘isotypes’ and not as parts of the same type (compare Art. 8. Ex. 2, 4, and especially 5). Swartz (1801; 1806) was not aware of all this, but as there already was a Polypodium hastatum Thunb., he made the new combination Polypodium tricuspe Sw. when he transferred Thunberg's species to Polypodium. This epithet then is the oldest valid one in the synonymy of Acrostichum hastatum Thunb. non Houtt. 191 192 REINWARDTIA [VOL.12 Plate 1 ⎯ Holotype of Acrostichum hastatum Houtt. Note sample’s of Houttuyn’s writing. The label with the spidery letters is by Thunberg. By courtesy of the Herbarium Genavense Other synonyms mentioned by Hovenkamp are listed in chronological order as follows: Niphobolus hastatus Kunze, Bot. Zeit. 6 (1848) 505. ⎯ Houttuyn (ed. Panzer, 1786), Thunberg, and Swartz were cited. The combination therefore is legitimate: Niphobolus hastatus (Thunb. ex Houtt.) Kunze. Polycampium hastatum C. Presl, Epimel. Bot. (1849) 137. ⎯- Same as preceding: Polycampium hastatum (Thunb. ex Houtt.) C. Presl. Cyclophorus tricuspis Desv. ex T. Moore, Index Fil. (1861) 276. ⎯- Cited as a synonym of Niphobolus hastatus and therefore invalid. Niphobolus tricuspis J. Sm., Hist. Fil. (1875) 98. - ⎯- Smith refered to '(Thumb.)', so presumably was intended for Polypodium tricuspe Sw. and so is to be cited as Niphobolus tricuspis (Sw.) J. Sm. Cyclophorus hastatus C. Chr., Index Fil. (1906) 199. ⎯- Thunberg and Swartz are cited, but not Houttuyn. This is therefore a validation of the epithet sensu Thunberg, but the combination is superfluous, as 'tricuspis' is the epithet that should have been used. The citation should be without bracketed authorship as new combinations cannot be based on illegitimate names. Pyrrosia hastata Ching, Bull. Chin. Bot. Soc. 1 (1935) 48. ⎯ This was cited as '(Thunb. ex Houtt.)' by Hovenkamp. However, Ching only referred to Thunberg, and the combination is superfluous, similar to the preceding one. What is Acrostichum hastatum Houtt. to be called when regarded as a species of Pyrrosia? Pyrrosia hastata Ching is heterotypic and it is not allowed to merely change the reference to the basionym, i.e. from Pyrrosia hastata Ching to P. hastata (Thunb. ex Houtt.) Ching. In fact, P. hastata (Thunb. ex Houtt.) Ching ex Hovenkamp is an illegitimate later homonym. Therefore P. tricuspis (Sw.) Tagawa is the correct name. ACKNOWLEDGMENTS I wish to thank the Herbarium Genavense for providing the plate and allowing me to use it. REFERENCES CHING, R.C. 1935. On the genus Pyrrosia Mirbel from the mainland of Asia, including Japan and Formosa. Bull. Chin. Bot. Soc. 1: 48. CHRISTENSEN, C. 1906. Index filicum :199. Hagerup, Copenhagen. HOSHIKAZI, B.J. 1981. The genus Pyrrosia in cultivation (Polypodiaceae). Baileya 21: 61, f. 4. HOUTTUYN, M. 1783. Natuurlijke historie of uitvoerige beschrijving der dieren, planten en mineraalen. II, 12: Aanwyzing (1), p. 68, t. 95, f. 2. F. Houttuyn, Amsterdam. HOVENKAMP, P.H. 1986. A monograph of the fern genus Pyrrosia. :186. Brill, Leiden. KUNZE, G. 1848. Pterographia japonica. Bot. Zeit. 6: 505. LINNAEUS, C. 1767. Systema vegetabilium. Ed. 12. L. Salvius, Stockholm. LINNAEUS, C. 1770. (ed. J.A. Murray). Systema vegetabilium. Ed. 13. J.C. Dieterich, Göttingen, Gotha. MERRILL, E.D. 1938. A critical consideration of Houttuyn's new genera and new species of plants, 1773–1783. J. Arnold Arbor. 19: 291–375. MOORE, T. 1861. Index filicum. :276. Pamplin, London. 2004] VELDKAMP: Correct name for Pyrrosia hastata Ching 193 TAGAWA, M. 1957. Pyrrosia of Japan, Korea, and the Ryukyu Islands. J. Jap. Bot. 32: 354. PANZER, G.W.F. 1786. Vollständiges Pflanzensystem 13: 79, t. 95, f. 2. G.N. Raspe, Nürnberg. (n.v.). PRESL, C. 1849. Epimeliae botanicae. :137. Haase, Prague. THUNBERG, C.P. (May–Jun 1784). In J.A. Murray, Systema vegetabilium, Ed. 14: 928. J.C. Dieterich, Göttingen. SMITH, J. 1875. Historia filicum. :98. Macmillan & Co., London. THUNBERG, C.P. (Aug 1784). Flora japonica. :331, t. 34. J.G. Müller, Leipzig. SWARTZ, O. 1801. Genera et species filicum. J. Bot. (Schrader) 2, 1: 21. WIJNANDS, D.O., J. HENIGER & J.F. VELDKAMP. Houttuyn's herbarium in Geneva (in prep.). SWARTZ, O. 1806. Synopsis filicum. :30. 'Bibliopolii novi academici', Kiel. INSTRUCTION TO AUTHORS Manuscripts intended for publication in Reinwardtia should be written either in English, French or German, and represent articles which have not been published in any other journal or proceedings. Each manuscript received will be considered and processed further if it is accompanied by signed statements given independently by two reviewers chosen by the author(s) attesting to its merits as well as its scientific suitability for publication in Reinwardtia. 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Any additional copies should be ordered in advance and the author(s) will be charged accordingly. ISSN 0034-365 X REINWARDTIA Vol. 12. No. 2. 2004 CONTENTS Page W.J.J.O. DE WILDE & BRIGITTA E.E. DUYFJES. Kedrostis Medik. (Cucurbitaceae) in Asia .'. - 129 J.F. VELDKAMP. Miscellaneous notes on mainly Southeast Asian Gramineae... 135 PITRA AKHRIADI, HERNAWATI AND RUSJDITAMIN. A new species of Nepenthes (Nepenthaceae) from Sumatra - 141 KUSWATA KARTAWINATA, ISMAYADI SAMSOEDIN, M. HERIYANTO AND J.J. AFRIASTINI. A tree species inventory in a one-hectare plot at the Batang Gadis National Park, North Sumatra, Indonesia .. 145 E.A.P. ISKANDAR & J.F. VELDKAMP. A revision of Malesian Isachne sect. Isachne (Gramineae, Panicoideae, Is.ach.neae) ' 159 JOHANIS P. MOGEA. Four new species pf Arenga (Palmae) from Indonesia 181 J.F. VELDKAMP. The correct name for Pyrrosia hastata Ching (Polypodiaceae, Pteridophyta) ..... 191 TRI MULYANINGSIH & COLIN ERNEST RIDSDALE. An additional species of Villaria Rolfe {Rubiaceae') from The Philippines 195 ELIZABETH A. WIDJAJA, INGGIT PUDJI ASTUTI & IDA BAGUS KETUT ARINASA. New species of bamboos (Poaceae-Bambusoideae) from Bali 199 HERBARIUM BOGORIENSE BIDANG BOTANI PUSAT PENELITIAN BIOLOGI - LIPI BOGOR, INDONESIA covD 70-142-1-SM covbel