J. Jpn. Bot. 94(3): 178–180 (2019)

Hem Raj Pa,*, Prabin Bb, Sangeeta Rc and Mohan Sc: Gaultheria obovata ()—A New Record for the Flora of Nepal aNational Herbarium and Laboratories, Department of Plant Resources, Godawari, Lalitpur, 3708 NEPAL; bState Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093 CHINA; cCentral Department of Botany, Tribhuvan University, G.P.O. Box 26429, Kirtipur, Kathmandu, NEPAL *Corresponding author: [email protected]

(Accepted on December 20, 2018)

Summary: Gaultheria obovata (Airy Shaw) P. Gaultheria obovata (Airy Shaw) P. W. W. Fritsch & Lu Lu (Ericaceae) is reported as a Fritsch & Lu Lu in Phytotaxa 201(1): 17, f. 9 new record for the flora of Nepal. A key to the (2015). – Gaultheria trichophylla Royle var. species of Gaultheria in Nepal is also provided. obovata Airy Shaw in Kew Bull. 1940: 324 The genus Gaultheria L. (Ericaceae) (1941). [Fig. 1] is an evergreen , consisting of 134 Type: MYANMAR. Kachin. Upper Burma species, distributed across the Himalaya, S. Myitkyina District, Waingmaw Township, Asia, E. Asia, North and , and Seinghku Wang, 11,000 ft., F. Kingdon-Ward Australia including Pacific Islands (Fang and 6944 (K–holotype, n.v.). Stevens 2005, Mabberley 2008). During a Flowering: June. revisionary study of the genus Gaultheria in Fruiting: July–September. Nepal, we discovered unfamiliar specimens Ecology: Rocky slopes. deposited in the National Herbarium and Plant Distribution: Nepal (Taplejung District), Laboratories, Nepal (KATH). The specimens China (Yunnan, Xizang) and Myanmar were collected from Topke Gola and Kipuphu, (Kachin). Taplejung, East Nepal in 1972. After checking Specimens examined: EAST NEPAL. Taplejung relevant specimens and literature, they have District, Topke Gola, 3760 m (H. Kanai, H. Ohashi, K. Iwatsuki, H. Ohba, Z. Iwatsuki & P. R. Shakya 1606, 19 been identified as Gaultheria obovata (Airy June 1972, KATH027694). Kipuphu, 4500 m (H. Kanai, Shaw) P. W. Fritsch & Lu Lu. Gaultheria H. Ohashi, K. Iwatsuki, H. Ohba, Z. Iwatsuki & P. R. obovata is similar to G. trichophylla Royle, but Shakya1748, 27 June 1972, KATH). differs in having obovate with obtuse apex (lanceolate leaves with acute apex in G. Seven species of Gaultheria L. have been trichophylla), longer pedicels (1.7–3.8 mm recorded in Nepal so far (Hara 1982, Press et while 0.6–1.2 mm in G. trichophylla) and larger al. 2000, Singh 2001, Paudel 2012). Key to the blades (6.2–12 × 3.5–6.2 mm while 3.7–8.5 eight species of Gaultheria in Nepal, including × 2.5–3.5 mm in G. trichophylla). G. obovata is given as below. Gaultheria obovata is distributed in China and Myanmar (Fritsch et al. 2015), but has not Key to the Nepalese Gaultheria species been reported from Nepal (e.g., Hara 1982, Press 1a. Leaf blade more than 1 cm wide; et al. 2000, Singh 2001). Therefore, G. obovata infl orescence racemose, terminal ...... 2 is reported here as a new record for the fl ora of 1b. Leaf blade less than 1 cm wide; Nepal. solitary, axillary ...... 6

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2a. Young shoots glabrous ...... 3 are also grateful to the curator of the National 2b. Young shoots pilose or bristly-hairy ...... 5 Herbarium and Plant Laboratories (KATH) for 3a. up to 15 cm tall; leaves sub-orbicular allowing us to examine specimens. to obovate; infl orescence 1–1.5 cm long ...... G. pyrolifolia References 3b. Plants up to 3 m tall; leaves elliptic to oblong; Fang R. C. and Stevens P. F. 2005. Gaultheria. In: Wu Z. infl orescence 1.5–9 cm long ...... 4 Y., Raven P. H. and Hong D. Y. (eds.), Flora of China 14: 464–475. Science Press, Beijing and Missouri 4a. Leaf margin with distantly and bluntly Botanical Garden Press, St. Louis. serrulate, apex acute ...... G. fragrantissima Fritsch P. W., Lu L., Wang H. and Li D.-Z. 2015. New 4b. Leaf margin with closely and sharply species, taxonomic renovations, and typifications serrulate, apex acuminate ...... G. griffi thiana in Gaultheria series Trichophyllae (Ericaceae). 5a. Bracts ca. 2 mm long, triangular; corolla Phytotaxa 201(1): 001–026. http://dx.doi.org/10.11646/ phytotaxa.201.1.1. white; stamens 5 ...... G. seminifera Hara H. 1982. Ericaceae. In: Hara H., Stearn W. T. and 5b. Bracts ca. 5 mm long, ovate; corolla pink or Williams L. H. J. (eds.), An Enumeration of the white; stamens 10 ...... G. hookeri Flowering Plants of Nepal 3: 54–60. British Museum 6a. Bracts present at the base of pedicel ...... (Natural History), London. Mabberley D. J. 2008. Mabberley’s Plant Book: A Portable ...... G. nummularioides Dictionary of Plants, Their Classifi cation and Uses, ed. 6b. Bracts absent, pedicel directly inserted in leaf 3. Cambridge University Press. Cambridge. axil ...... 7 Paudel H. R. 2012. Gaultheria. In: Rajbhandari K. R., 7a. Leaves obovate, 6.2–10 × 3.5–6.2 mm, apex Bhattarai K. R. and Baral S. R. (eds.), Catalogue obtuse ...... G. obovata of Nepalese Flowering Plants – III. Dicotyledons (Compositae to Salicaceae). pp. 44–45. National 7b. Leaves oblong or elliptic oblong, 3.7–8.5 × Herbarium and Plant Laboratories, Godawari. 2.5–3.5 mm, apex acute ...... G. trichophylla Press J. R., Shrestha K. K. and Sutton D. A. 2000. Annotated Check list of Flowering Plants of Nepal. The The first author is indebted and expresses Natural History Museum, London. cordial thanks to Professor Pramod Kumar Jha, Singh A. P. 2001. Gaultheria. In: Bista M. S., Adhikari M. K. and Rajbhandari K. R. (eds.), Flowering Plants of former Head of Department, and laboratory staff Nepal (Phanerogams). pp. 151–152. Department of of the Central Department of Botany, Tribhuvan Plant Resources, Kathmandu. University for providing the lab facility. We

H. R. Paudela，P. Bhandarib，S. Rajbhandaryc，M. Siwakotic：ネパール新産の Gaultheria obovata（ツツジ科） a ツツジ科シラタマノキ属の Gaultheria obovata (Airy （ ネパール・植物資源局 Shaw) P. W. Fritsch & Lu Lu をネパールから初めて報告 National Herbarium and Plant Laboratories， b した．証拠となる標本は東部ネパール Taplejung District 中国科学院植物研究所 の Topke Gola と Kipuphu で 1972 年に得られたもので 系統与進化植物学国家重点実験室， c ある．ここでは，本種を加えて，ネパール産シラタマノ ネパール・Tribhuvan University, キ属 7 種の検索表を提示した． Central Department of Botany）