丁炳揚 陳征海 徐躍良 金孝鋒 吳棣飛 陳堅波 吳偉建


摘 要: ??描述了浙江唇形科二新種和一新組合種。(1)云億黃芩(新種)與柔弱黃芩的區別主要在于莖、葉片、苞片均被白色多節腺毛,葉片卵圓形,花冠長約6 mm,內面疏被柔毛。(2)短花假糙蘇(新種)與近緣種八角花的區別主要在于莖具溝槽,疏被倒向短柔毛,葉片卵狀橢圓形或卵形,膜質,長7~17 cm,寬3.5~8 cm,邊緣具粗鋸齒,花冠長約6 mm。(3)二回羽裂丹參(新組合種)因近二回羽狀復葉,花冠黃色,花冠筒均遠伸出花萼筒外而與南丹參的一回羽狀復葉,花冠淡紫色、紫色或藍紫色,花冠筒內藏或微伸出區別明顯,故作為獨立的種處理。
關鍵詞: ?唇形科, 新種, 新組合, 浙江
中圖分類號: ??Q949
文獻標識碼: ???A
文章編號: ??1000-3142(2019)01-0010-06
New species and combination of Lamiaceae from Zhejiang, China
( 1. Zhejiang Forestry Academy, Hangzhou 310023, China; 2. Monitoring Centre for Forest Resources in Zhejiang, Hangzhou 310020, China; 3. Zhejiang Museum of Natural History, Hangzhou 310012, China; 4. College of Life & Environmental Sciences, Hangzhou Normal University, Hangzhou 310036, China; 5. Wenzhou Garden Administration of Zhejiang, Wenzhou 325000, Zhejiang, China; 6. Jinhua Polytechnic, Jinhua 321000, Zhejiang, China; 7. Songyang Forestry Bureau of Zhejiang, Songyang 323400, Zhejiang, China )
Abstract: ??Two new species and one combination of Lamiaceae from Zhejiang, East China are described with illustrations. (1) New species Scutellaria yunyiana differs from S. tenera in having stems, leaf blades and bracts whitish multicellular-glandular, leaf blades ovate-rounded, corolla ca. 6 mm long, inside sparsely pubescent. (2) New species Paraphlomis breviflora differs from P. kwangtungensis in having stems canaliculate, sparsely retrorse-pubescent, leaf blades ovate-elliptic or ovate, membrancous, 7-17 cm long, 3.5-8 cm wide, margin dentate, corolla ca. 6 mm long. (3) Salvia subbipinnata (C. Y. Wu) B. Y. Ding et Z. H. Chen is combined as specific rank as well, and it differs from S. bowleyana Dunn in having 2-pinnately compound leaves, corolla yellow, and corolla tube long exserted from calyx tube.
Key words: ?Lamiaceae, new species, new combination, Zhejiang
唇形科(Lamiaceae)是世界性分布的大科之一,全世界有236屬、7 137 種(Harley et al.,2004),主要分布于地中海地區和亞洲西南部(Li & Hedge,1994)。本科植物常富含多種芳香油,部分可供藥用,也有不少栽培供觀賞(Wu & Li,1977)。在我國,唇形科共96屬、807種(Li & Hedge,1994),浙江有43屬、110種、24變種(鄭朝宗,2005)。
自2014年《浙江植物志》(第二版)編著項目實施以來,項目組對浙江調查采集薄弱地區又組織6次大型科考,數十次專題科考,采集了大量標本,從中發現了不少植物新種(Jin et al.,2015;Cen et al.,2016;Chen et al.,2017;Zhang et al.,2017;Lu et al.,2017;葉立新等,2017;葉喜陽等,2017;陳子林等,2018)。在對唇形科植物分類研究過程中發現了2個新種和1個新組合種,現在本文予以報道。
1. ??云億黃芩?? ?新種 圖版Ⅰ: A-F
Scutellaria yunyiana ?B. Y. Ding, Z. H. Chen et X. F. Jin, sp. nov. Plate Ⅰ: A-F
This new species is similar to S. tenera C. Y. Wu et H. W. Li, but the latter has stems pilose and short-glandulose, upper leaves ovate-triangular or narrowly ovate, adaxially dark green, pilose, abaxially purple, pilose, bracts pilose and short-glandulose, corolla 7-8 mm long, inside glabrous.
China. ?Zhejiang (浙江), Hangzhou (杭州), Fuyang District (富陽區), Xukou Township (胥口鎮), Shanglian Village (上練村), in grasses under broad-leaved forest, alt. 200 m, 17 Apr. 2018, B. Y. Ding (丁炳揚) 16187 ( holotype : ZM; isotypes: HTC, KUN, PE)。
多年生草本,具斜升的根狀莖和細長的匍匐莖。莖直立或基部斜升,連同花序高10~30 cm,鈍四棱形,具槽,常在基部分枝,密被白色多節腺毛。基生葉宿存,葉片卵圓形,長1~2 cm,寬0.8~1.5 cm, 先端圓鈍,基部心形,邊緣具鈍鋸齒,兩面疏被白色多節腺毛,側脈3或4對,葉柄長1.5~2.5 cm,密被白色多節腺毛;莖生葉2~4對,葉片寬卵形,鮮時略帶黃綠色,長2~4 cm,寬1.8~3.5 cm,先端急尖,基部心形,邊緣具鈍鋸齒,側脈4或5對,下部2對靠近基部似掌狀脈,上面疏被白色多節腺毛,下面被毛相同但沿脈較密,葉柄下部者長2~3 cm,上部的長5~8 mm。花序長5~10 cm,每節具2花;基部1對苞片葉狀,近卵形,長1~2.5 cm,寬0.6~1.7 cm,被毛與葉同,近無柄,其上的苞片披針形至條形,長1~1.5 mm;花梗長2~3 mm,纖細,被白色多節腺毛;花萼長約2 mm,外面被白色多節腺毛,內面無毛,盾片果時開張,高2~2.5 mm;花冠初時紫色,后變為淡紫色或近白色,長約6 mm,冠筒長約5 mm,基部稍成膝曲狀,向上稍增大,冠檐二唇形,上唇盔狀,先端微凹,下唇中裂片寬卵狀倒三角形,中脈兩側具紫紅色斑,兩側裂片卵形,外面被短柔毛,內面疏被柔毛;雄蕊4,二強,花絲中下部具柔毛,花藥2室,裂縫具短纖毛;花柱無毛。小堅果腎圓形,紅褐色,長約1 mm,背部具瘤狀突起。
本種接近柔弱黃芩(Scutellaria tenera C. Y. Wu et H.W. Li),區別在于后者莖上被開展具節長柔毛和短腺毛,莖上部葉片卵狀三角形、狹卵形,上面深綠色,下面常帶紫色,兩面被多節長柔毛,苞片被多節長柔毛并混生短腺毛,花冠長7~8 mm,內面無毛。
China. ?Zhejiang (浙江), Hangzhou (杭州), Fuyang District (富陽區), Xukou Township (胥口鎮), Shanglian Village (上練村), in grasses under broad-leaved forest, alt. 200 m, 17 Apr. 2018, B. Y. Ding (丁炳揚) 16186 (ZM); the same locality, 9 May 2018, B. Y. Ding et G. Q. Zhu (丁炳揚, 朱光權) 16301 (ZM)。
本種學名用以紀念方云億教授為《浙江植物 志》 的編研和浙江省唇形科分類研究作出的杰出?貢獻。
2. ??短花假糙蘇?? ?新種 圖版Ⅱ: A-G
Paraphlomis breviflora ?B. Y. Ding, Y. L. Xu et Z. H. Chen, sp. nov. Plate Ⅱ: A-G
This new species is similar to P. kwangtungensis C. Y. Wu et H. W. Li, but the latter has stems not canaliculate, upper part densely pilose, leaf blades oblong-elliptic, smaller, 6-8 cm long, 2-3 cm wide, thick-papery, margin crenate, both surfaces densely pilose, corolla longer, ca. 9 mm long.
China. ?Zhejiang (浙江), Songyang (松陽), Fengping Township (楓坪鎮), Nansheng Village(南勝村), in grasses under forest, alt. 800 m, 5 Jun. 2018, Y. L. Xu et al. (徐躍良等) 602 ( holotype : ZM; isotypes: HTC, KUN, PE)。
多年生草本,具長根狀莖,有時具匍匐莖。莖高20~40 cm,鈍四棱形,具槽,疏被倒向短柔毛,近頂端和節上較密。葉對生;葉片卵狀橢圓形或卵形,膜質,長7~17 cm,寬3.5~8 cm,先端漸尖或急尖,基部寬楔形并下延,邊緣具粗鋸齒和緣毛,齒尖具乳頭狀的小尖頭,上面被極疏的短硬毛,脈上較密,下面疏被短柔毛,脈上較密,散布腺點,側脈5或6對,與中脈在上面微凹,下面隆起;葉柄長1.5~2.5 cm,疏被短柔毛。輪傘花序腋生,具8~16花;花萼倒圓錐形,長約5 mm,外面被微柔毛,具10脈,居間5脈較不明顯,萼筒長3.5~4 mm,萼齒寬三角形,長約1.2 mm,基部寬1.5mm,甚開展,干后先端有時略反折;花冠淡黃色或淺綠白色,長約6 mm,花冠筒管狀,內藏,長約3 mm,直徑約1.1 mm,近喉部略收縮,兩面無毛,冠檐二唇形,上唇橢圓形,長約2.5 mm,外面被微柔毛和腺點,下唇3裂,邊緣蝕齒狀,外面被微柔毛和腺點,中裂片寬倒卵形,長約3 mm,先端微凹,喉部具淡紫色斑紋,側裂片斜卵形;雄蕊4,二強,前對略長,后對雄蕊花藥粘合,花藥無毛,花絲長約1.5 mm,基部被柔毛;子房頂端平截,花柱先端伸至2對雄蕊之間,微2裂。小堅果三棱柱形(外側圓),黑褐色,長2~2.5 mm,被極細的微柔毛。
新種與八角花(Paraphlomis kwangtungensis C. Y. Wu et H. W. Li)略接近,區別在于后者莖無槽,上部密被毛,葉片長圓狀橢圓形,較小,長6~8 cm,寬2~3 cm,堅紙質,邊緣具淺鋸齒,兩面密被短柔毛,花冠較長,長約9 mm。
China. ?Zhejiang (浙江), Songyang (松陽), Fengping Township (楓坪鎮), Nansheng Village(南勝村), 26 Jul. 1992, L. H. Lou, G. Y. Li et Z. C. Tang (樓爐煥, 李根有, 湯兆成) SY141 (ZJFC). Wuyi (武義), Xilian (西聯), Zhangwuli Village (章五里村), forest margin, alt. 380 m, 16 Jun. 2018, Y. R. Zhu et Z. H. Chen (朱遺榮, 陳征海) WY18061603 (ZM); the same locality, 16 Jun. 2018, J. B. Chen, L. M. Wang et Z. H. Chen (陳堅波, 王黎明, 陳征海) WY18061602 (ZM), 14 Jun. 2018, Y. R. Zhu (朱遺榮) WY18061401 (ZM)。
3. ??二回羽裂丹參 (二回羽裂南丹參)?? ?新組合
Salvia subbipinnata ?(C. Y. Wu) B. Y. Ding et Z. H. Chen, comb. et stat. nov.
Basionym: Salvia bowleyana Dunn var. subbipinnata C. Y. Wu, Fl. Reipub. Popularis Sin. 66: 582. 1977. ?China. ?Zhejiang (浙江), Yongjia (永嘉), 15 May 1926, K. K. Tsoong (鐘觀光) 1048 ( holotype : PE!)。
本種發表時作為南丹參(Salvia bowleyana Dunn)的變種,作者指出區別在于葉近二回羽狀分裂,小葉較小,莖和葉柄密被開展剛毛(其實是多節長硬毛和短硬毛)。我們檢查了模式標本K. K. Tsoong (鐘觀光) 1048號,及Zhejiang Agirc. Coll. (浙農) 563號、H. S. Guo(郭漢身)720243號等,發現除上述區別特征外,其花冠筒均遠伸出花萼筒外,而非南丹參的花冠筒內藏或微伸出。同時,野外采集有花色記錄的標本和野外觀察發現,本種花冠均為黃色,而非南丹參的淡紫色、紫色或藍紫色。可見,本種與南丹參區別甚大,應該作為獨立的種處理。
多年生草本。莖高40~60 cm,四棱形,具槽,被多節長硬毛和短硬毛,下部長硬毛較密,而上部短硬毛較密,密布腺點。葉對生;葉片長15~28 cm,寬5~10 cm;葉柄長5~10 cm,與葉軸均被多節長、短硬毛;葉片一至二回羽狀分裂,小葉對生或近對生,小葉片卵形至卵狀披針形,長2~4.5 cm,寬1~2.5 cm,先端急尖或漸尖,基部寬楔形或圓形,常略不對稱,邊緣具粗鈍鋸齒,有時基部分裂成小裂片,上面密被短糙伏毛,密布淺灰色腺點,下面脈上被短硬毛,密布淺褐色腺點。輪傘花序具6~8花,在莖和分枝頂端排列成長10~20 cm的總狀或圓錐狀;花序軸密被多節腺毛和腺點;花萼管狀鐘形,長7.5~9.5 mm,外面被多節腺毛,內面下部無毛,喉部密被多節長硬毛,檐部二唇形,上唇寬三角形,長約1.8 mm,先端全緣,下唇分裂成2齒,略長于上唇;花冠黃色或金黃色,長2~2.4 cm,花冠筒長1.2~1.4 cm,遠伸出花萼筒外,外面疏被短毛和腺點,內面被柔毛,近基部具不完整毛環(上方1側不連續),檐部二唇形,外面密被腺毛,內面無毛,上唇呈鐮刀狀,長1.2~1.4 cm,先端有凹缺,下唇近直伸,長0.9~1 cm,3裂,中裂片較大,中脈兩側具紫色斑點,先端扇形,不規則齒裂,中間有凹缺;能育雄蕊2,花絲長約3 mm,藥隔下臂長4~5 mm,藥室不發育,頂端聯合,上臂長7~8 mm,藥室長約4 mm,退化雄蕊線形;花柱明顯伸出,頂端不等2裂。小堅果橢圓球形。
China. ?Zhejiang (浙江), Yueqing (樂清), Mount. Yandang (雁蕩山), 25 May 1955, Zhejiang Agric. Coll. (浙江農學院) 563 (fl., HZU, NAS); the same locality, under forest, 26 May 1972, H. S. Guo (郭漢身) 720243 (HTC), 7 Jun. 1992, L. N. Zhao et al.(趙來南等) s.n. (WZU), Lingyan (靈巖), on slope, 11 Jun. 1971, C. S. Ding (丁陳森) Cn0119 (fl., ZJFC), Nankeng (南坑), 12 May 1996, s.coll. s.n. (WZU), Xiaolongqiu (小龍湫), in grass, 23 May 2018, B. Y. Ding et D. F. Wu (丁炳揚, 吳棣飛)16305(fl., ZM), Fuxi (福溪), alt. 300 m, under forest, 23 Apr. 2011, B. Y. Ding et al. (丁炳揚等) 9512 (WZU). Rui’an (瑞安), Hongshuang Forestry Farm (紅雙林場), Dayangkeng (大洋坑), 2 Jul. 1972, Q. Lin (林泉) 1202 (ZJMI).
致謝 ?參加野外調查的還有浙江省林業科學研究院朱光權先生、武義縣西聯鄉大溪口村朱遺榮先生、樂清雁蕩山森林公園的廖亮先生、金華高職院醫學院王健生先生、景寧縣科委梅旭東先生,特此致謝。
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