报道了香港6种本土维管植物新记录以及2个归化物种新记录,其中包含两个新记录属。6个新记录本土种分别是山楝Aphanamixis polystachya (Wall.) R. Parker、求米草Oplismenus undulatifolius (Ard.) Roemer & Schuit.、椭果雀梅藤Sageretia ellipsoidea Yi Yang, H. Sun & H. Peng、钩刺雀梅藤Sageretia hamosa (Wall.) Brongn.、短柱络石Trachelospermum brevistylum Hand.-Mazz.、海南姜Zingiber hainanense Y. S. Ye, L. Bai & N. H. Xia;两个归化种是卵叶链荚豆Alysicarpus ovalifolius (Schum.) J. Léonard和美洲马瓟儿Melothria pendula L.;两个新记录属是山楝属Aphanamixis Blume和番马瓟属Melothria L.。本文描述了每个种的分布、生境、物候、主要识别特征以及与相似种的区别。
Six native and two naturalised vascular plant species are newly added to the flora of Hong Kong SAR, China. The newly recorded native species are Aphanamixis polystachya (Wall.) R. Parker, Oplismenus undulatifolius (Ard.) Roemer & Schuit., Sageretia ellipsoidea Yi Yang, H. Sun & H. Peng, Sageretia hamosa (Wall.) Brongn., Trachelospermum brevistylum Hand.-Mazz. and Zingiber hainanense Y. S. Ye, L. Bai & N. H. Xia; and the two naturalised species are Alysicarpus ovalifolius (Schumach.) J. Léonard and Melothria pendula L. This is the first time the genera Aphanamixis Blume and Melothria L. have been recorded in the territory. Notes on distribution, habitat, phenology, taxonomy and key diagnostic features are provided.
[1] Hong Kong Government. Hong Kong – the facts [EB/OL]. https://www.gov.hk/en/about/abouthk/facts.htm, date of access: 13 Feb 2023.
[2] Hong Kong Herbarium. Check List of Hong Kong Plants 2012 [M]. Hong Kong, China: Agriculture, Fisheries and Conservation Department, 2012.
[3] Kumar P, Gale S W, Kocyan A, Fischer G A, Averyanov L, Borosova R, Bhattacharjee A, Li J H, Pang K S. Gastrochilus kadooriei (Orchidaceae), a new species from Hong Kong, with notes on allied taxa in section Microphyllae found in the region [J]. Phytotaxa, 2014, 164(2): 91–103.
[4] Tong Y H, Pang K S, Xia N H. Carpinus insularis (Betulaceae), a new species from Hong Kong, China [J]. Journal of Tropical and Subtropical Botany, 2014, 22(2): 121–124.
[5] Mar S S, Saunders R. Thismia hongkongensis (Thismiaceae): a new mycoheterotrophic species from Hong Kong, China, with observations on floral visitors and seed dispersal [J]. PhytoKeys, 2015, 46: 21–33.
[6] Zhu H, Liu J, Zhang J, Hang K Y, Yeung W K, Fischer G A. Ten newly recorded taxa to the flora of Hong Kong, China [J]. Guihaia, 2018, 38(9): 1221–1228.
[7] Liu J G, Hang K Y, Wong C K, Hon C H, Williams C, Mar S S, Lee Y L, Zhang J L, Fischer G A. Seventeen newly recorded species to the flora of Hong Kong, China [J]. Journal of Tropical and Subtropical Botany, 2021, 29(2): 123–131.
[8] Gale S W, Kumar P, Hu A Q, Pang K S. Cheirostylis pusilla (Orchidaceae), a new record for Hong Kong [J]. Kew Bulletin, 2013, 68(2): 325–330.
[9] Hu A Q, Gale S W, Kumar P, Fischer G A, Pang K S. Taxonomic notes on Didymoplexiella siamensis and Gastrodia peichatieniana, two fully mycoheterotrophic orchids new to the flora of Hong Kong [J]. Annales Botanici Fennici, 2014, 51(3): 177–184.
[10] Gale S W, Yeung W K, Nick H O, Chan C S, Kumar P. Four new additions and a taxonomic amendment to the orchid flora of Hong Kong [J]. Taiwania, 2020, 65(4): 575?587.
[11] Gale S W, Kumar P, Lee K W K, Yukawa T. Taxonomic reappraisal of Tropidia nipponica (Orchidaceae) and allies in East Asia [J]. Bulletin of the National Museum of Nature and Science. Series B, Botany, 2021, 47(3): 119–130.
[12] Kumar P, Gale S W. Taxonomic notes on Apostasia nipponica and Crepidium cordilabium (Orchidaceae), two species newly recorded from Hong Kong [J]. Feddes Repertorium, 2022, 133(4): 268–284.
[13] Kumar P, Gale S W. Anoectochilus formosanus (Orchidaceae), a new record for Hong Kong [J]. Rheedea, 2020, 30(2): 293–298.
[14] Kumar P, Li J, Gale S W. Integrative analyses of Crepidium (Orchidaceae, Epidendroideae, Malaxideae) shed more light on its relationships with Dienia, Liparis and Malaxis and justify reinstatement of narrow endemic C. allanii [J]. Botanical Journal of the Linnean Society, 2022, 198(3): 285–305.
[15] Chen S K. Meliaceae [M]// Editorial Committee of the Flora of China of Chinese Academy of Science. Flora Reipublicae Popularis Sinicae. Beijing: Science Press, 1997.
[16] Peng H, Mabberley D J, Pannell C M, Edmonds J, Bartholomew B. Meliaceae [M]// Wu Z Y, Raven P H, Hong D Y. Flora of China (Vol. 11). Beijing: Science Press & St Louis: Missouri Botanical Garden Press, 2008.
[17] Xing F W, Ng S C, Chau L. Gymnosperms and angiosperms of Hong Kong [J]. Memoirs of the Hong Kong Natural History Society, 2000, 23: 21–135.
[18] Yang Y, Peng H, Sun H. Taxonomic revision of Sageretia (Rhamnaceae) from China Ⅰ: identities of S. lucida, S. thea var. cordiformis and S. yunlongensis, with the description of a new species S. ellipsoidea [J]. PhytoKeys, 2021, 179: 13–28.
[19] Law C. HK-1188 Sageretia ellipsoidea, 2022 [DB/OL]. http://hkcww.org/hkplant/readid.php?id=1188, date of access 15 Feb 2023.
[20] Hu Q M, Wu D L. Flora of Hong Kong (Vol. 2) [M]. Hong Kong, China: Agriculture, Fisheries and Conservation Department, Government of the Hong Kong Special Administrative Region, 2008: 239–240.
[21] Ye Y S, Bai L, Xia N H. Zingiber hainanense (Zingiberaceae), a new species from Hainan, China [J]. Phytotaxa, 2015, 217(1): 73–79.