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        無(wú)量山石豆蘭, 中國(guó)蘭科植物一新記錄種

        2018-09-10 02:07:42馬從昌葉德平楊國(guó)平李劍武
        廣西植物 2018年3期
        關(guān)鍵詞:新記錄蘭科中國(guó)

        馬從昌 葉德平 楊國(guó)平 李劍武

        摘要: 報(bào)道了中國(guó)蘭科植物一新記錄種,即無(wú)量山石豆蘭(Bulbophyllum pinicola)。對(duì)其進(jìn)行了特征描述并與相似種Bulbophyllum acutiflorum做了對(duì)比,并提供了彩色照片。無(wú)量山石豆蘭的萼片披針形,先端漸尖,花瓣三角狀披針形,先端漸尖,唇瓣稍向外下彎而易與相似種區(qū)分。

        關(guān)鍵詞: 新記錄, 蘭科, 無(wú)量山石豆蘭, 中國(guó), 命名法

        Bulbophyllum Thouras (1822: tab.3), is one of the largest genera in Orchidaceae, consisting of 1867 species (Chase et al, 2015; Vermeulen et al, 2014). There are approximate 127 species in China (including Drymoda, Monomeria, Trias and Sunipia), of which 40 species are endemic to China(Chen & Vermeulen, 2009, Li et al, 2009, 2011, 2013, 2015; Wei et al, 2010; Liu et al, 2015; Liu & Gao, 2016; Yu et al, 2015; Zhou & Jin, 2015).

        Based on our field work in Jingdong County, YunNote: A. Habitat; B. Inflorescence; C. Pedicel and ovary with column and lip; D. Flower (a. Dorsal sepal, b. Lateral sepals, c. Petals,

        d. Pedicel and ovary with column and lip, e. Floral bract); E. Flower (face view).

        Fig. 1Bulbophyllum pinicola (Edited by LI Jianwu, photographed by YE Deping)

        nan Province, China during 2014—2016, a new record of Bulbophyllum was found and now reported here.

        Bulbophyllum pinicola Gagnep., Bull. Mus. Natl. Hist. Nat., sér. II. ii: 146. 1930. —— Bulbophyllum pinicolum Gagnep.

        Bulbophyllum pinicola (Fig. 1)

        Epiphytic. Rhizome creeping, ca. 2 mm in diam.; pseudobulbs 1.0-1.5 cm apart from each other along the rhizome, subglobular, 1.0-1.2 cm, apex with one leaf. Leaf blade suboblong, 2.7-3.5 by 1.0-1.1 cm, 1veined, vein concave adaxially, abaxialy convex, apex unequally bilobed, lobiis rounded, base contracted into petiole, petiole ca. 3 mm long. Scape lateral from the base of pseudobulb, 10-11 cm long, glabrous, umbel-like with 6-8 flowers. Peduncle with 2-3 sheaths, sheath cannular, 5-8 mm long. Floral bracts lanceolate, 3.0 by 0.8 mm, apex acuminate; pedicel and ovary 20-22 mm long; flowers widely open, yellowish-white. Dorsal sepal lanceolate, 20-21 by 3 mm, apex acuminate; lateral sepals lanceolate, 22-23 by 3 mm, apex acuminate. Petals triangular lanceolate, 13-14 by 2.0-2.3 mm, apex acuminate. Lip ligulate, 3.5 by 1.0 mm, base attached to end of column foot by an immobile joint, apex round. Column stout, ca. 2 mm long, column foot ca. 2.5 mm long. Anther cap galeiform; pollinia 2.

        China. Yunnan : Puer, Jingdong, alt. 1 700 m, 21 DEC 2016, epiphytic on tree or rocks, wet valley in broad-leaved evergreen forests. LI Jianwu 4590 (HITBC!).

        Distribution:China (Yunnan), Vietnam and Cambodia.

        Bulbophyllum pinicola was often spelled B. pinicolum (Gagnep. 1930; Aver. 2006), according to the International Code of Boanical Nomenclature (McNeill et al, 2012), we report it as B. pinicola here.

        B. pinicola is similar to B. albidum (wight) Hook. f. (Gagnep. 1930), which is a synonym of B. acutiflorum A. Rich., but can be easily distinguished from the later by having sepals lanceolate and having acuminate apex (sepals triangular-lanceolate, apex of dorsal sepal acute in B. acutiflorum), petals triangular-lanceolate, apex acuminate (petals ovate, apex acute in B. acutiflorum), lip slightly excurvate (lip strongly arcuate in B. acutiflorum).

        The Chinese name “無(wú)量山石豆蘭 Wu Liang Shan Shi Dou Lan” is named after site where it was found, Wu Liang Mountain, a famous mountain at Puer City, China.

        AcknowledgmentsWe are grateful to Dr. JIN Xiaohua for his critical review of the manuscript, to Prof. André SCHUITEMAN (Kew) for his help in identification, to PU Kairong for his help in the field work.

        References:

        AVERYANOV L, 2006. Rare species of Orchids (Orchidaceae) in the flora of Vietman [J]. Turczaninowia, 9(3): 48-89.

        CHASE MW, CAMERON KM, FREUDENSTEIN JV, et al, 2015. An updated classification of Orchidaceae [J]. Bot J Linn Soc, 177: 151-174.

        CHEN SC, VERMEULEN JJ, 2009. Bulbophyllum [M]// WU ZY, RAVEN PH, HONG DY. Flora of China. Beijing: Science Press, 25: 404-440. [陳心啟, Vermeulen JJ, 2009. 石豆蘭屬 [M] // 中國(guó)植物志. 北京: 科學(xué)出版社, 25: 404-440.]

        GAGNEPAIN MF, 1930. Bulbophyllum Nouveaux D Indochine [J]. Bull Muséum Nat DHistoire Naturelle. Sér II. ii: 143-148.

        LI JW, YE DP, LIU Q, 2013. Two new records of Orchid from China [J]. Plant Divers Resourc, 35(2): 128-130. [李劍武, 葉德平, 劉強(qiáng), 等, 2013. 中國(guó)蘭科植物二新記錄種 [J]. 植物分類與資源學(xué)報(bào), 35(2):128-130.]

        LI JW, YE DP, LIU JX, et al, 2015. Orchids Newly Recorded to China [J]. Plant Divers Resourc, 37(3): 246-252. [李劍武, 葉德平, 劉景星, 等, 2015. 中國(guó)蘭科植物新資料 [J]. 植物分類與資源學(xué)報(bào), 37(3): 246-252.]

        LI L, YE DP, LI JW, et al, 2009. A newly recorded species and a new synonym of Orchidaceae from China [J]. J Trop Subtrop Bot, 17(3): 295-297. [李琳, 葉德平, 李劍武, 等, 2009. 中國(guó)蘭科植物一新記錄種及一新異名 [J]. 熱帶亞熱帶植物學(xué)報(bào), 17(3):295-297.]

        LI L, YE DP, LI JW, et al, 2011. Two newly recorded species of Bulbophyllum (Orchidaceae) from China [J]. J Trop Subtrop Bot, 19(2): 149-151. [李琳, 葉德平, 李劍武, 等, 2011. 中國(guó)石豆蘭屬二新記錄種 [J]. 熱帶亞熱帶植物學(xué)報(bào), 19(2):149-151.]

        LIU Q, LI JW, JIN XH, et al, 2015. A new species of Bulbophyllum (Orchidaceae, Epidendroideae, Dendrobiinae) from Yunnan, China [J]. Phytotaxa, 236(3): 287-290.

        LIU Q, GAO JY, 2016. New orchids record in the flora of China [J]. Curr Sci, 110(11): 2064-2066.

        MCNEILL J, BARRIE FR, BUCK WR, et al, 2012. International code of nomenclature for algae, fungi, and plants (Melbourne Code) adopted by the Eighteenth International Botanical Congress Melbourne, Australia, July 2011 [Z]. Regnum Vegetabile 154. Knigstein: koeltz Scientific Books.

        WEI LM, LANG KY, YU DL, 2010. Bulbophyllum xylophyllum, a new record of orchid species from China [J]. Guihaia, 30(4): 446-447. [魏魯明, 郞楷永, 余登利, 2010. 革葉石豆蘭――中國(guó)蘭科植物一新記錄種 [J]. 廣西植物, 30(4):446-447.]

        YU DL, ZHOU X, JIN XH, et al, 2015. Sunipia nigricans, a new recorded species of Orchidaceae from Yunnan, China [J]. Guihaia, 35(4): 551-553. [余東莉, 周祥, 金效華, 等, 2015. 中國(guó)云南蘭科一新記錄種――淡黑大苞蘭 [J]. 廣西植物, 35(4):551-553.]

        ZHOU TT, JIN XH, 2015. Bulbophyllum salweenensis (Orchidaceae, Epidendroideae, Malaxideae), a new species from Yunnan, China [J]. Phytotaxa, 234(1): 95-97.

        VERMEULEN JJ, SCHUITEMAN A, de VOGEL EF, 2014. Nomenclatural changes in Bulbophyllum (Orchidaceae, Epidendroideae) [J]. Phytotaxa, 166(2): 101-103.

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