栏目

四川香茶菜Rabdosia setschwanensis (Hand.-Mazz.) Hara

四川香茶菜Rabdosia setschwanensis (Hand.-Mazz.) Hara

别名:大理香茶菜;

科名:唇形科 Labiatae

属名:香茶菜属 Rabdosia

《中国植物志》第66卷470页
  50.四川香茶菜
  Rabdosia setschwanensis (Hand.-Mazz.) Hara in Journ. Jap. Bot. 47(7): 200. 1972——Plectranthus umbrosus Hand.-Mazz. in Karsten u. Schenck, Vegetatbild. 20. R. Taf. 42B. 1930, nom. , non(Maxim. )Makino 1922——Plectranthus setschwanensis Hand.-Mazz. Symb Sin. 7: 939, Abb. 28, nr. 7. 1936; et in Act. Hort. Gothob. 13: 366, in clavi 1939.
形态特征:小灌木,高1—1.5米,具直细分枝,幼枝红褐色,四棱形,两面具浅槽,被微柔毛,老枝带灰色,皮层脱落,较纤细。茎叶对生,多少狭菱状卵形或披针形,长2.5—10厘米,宽1—3.5厘米,先端锐尖或短渐尖,基部楔形或近深波状的渐狭成具翅的假柄,边缘除下部及顶部外均具锯齿或近圆齿状牙齿,坚纸质,上面榄绿色,疏被微柔毛及腺点,下面较淡,褐色,网脉密而清晰,被黄色腺点,侧脉3—4对,十分斜伸而弧曲;叶柄本身极短。狭圆锥花序顶生,长1.5—13厘米,由聚伞花序稍聚集而成,聚伞花序3—5花,具长2—5毫米的总梗,有时下部的聚伞花序9—11花,具长达9毫米的总梗,由叶腋内生出;下部的苞叶常卵形,全缘,近无柄,其余的或所有的为披针形,细渐尖,与聚伞花序等长或较长,与整个花序一样被极短的贴生短柔毛,苞片丝状,比长2—5毫米的花梗短。花萼钟形,长3—3.5毫米,直径3.5—4毫米,外面疏被腺点及贴生疏柔毛,脉上及基部较密,萼齿5,狭披针形,顶端钻状,近相等,长为花萼全长2/3,果时花萼增大,长6毫米,直径6毫米,下垂而略弯,萼齿微呈二唇形,后3齿常上反,前2齿平伸。花冠白色,具紫点,长8—9毫米,基部上方明显浅囊状,冠筒长约5毫米,外面与冠檐一样被疏柔毛及稀疏的腺点,冠檐二唇形,上唇先端具四圆齿,外反,下唇圆状卵圆形,与冠筒近等长。雌雄蕊几不伸出。小坚果深褐色,卵圆球形,长1.5毫米,直径1毫米,光滑。花期9月,果期10月。
产地分布:产四川西南部,云南西北部;生于林下,海拔2150—3500米。模式标本采自四川木里。
参考文献:Rabdosiasetschwanensis(Hand.-Mazz.)Hara:nJoun.Jap.Bot.47(7):200.1972——PlectranthusumbrosusHand.-Mazz.inKarstenu.Schenck,Vegetatbild.20.R.Taf.42B.1930,nom.non(Maxim.)Makino1922——Plectranthussetschwa-nensisHand.-Mazz.Symb.Sin.7:939,Abb.28,nr.7.1936;etinAct.Hort.Gothob.13:366,inclavi.1939.
本系概述:Ser.SetschwanensesC.Y.WuetH.W.LiinAddends588.花萼钟形,具近相等的长齿,裂至花萼长1/2或以下;花冠中等大,冠简下曲;聚伞花序组成狭圆锥花序;多年生草本,半灌木或灌木。

《Flora of China》 Vol. 17 (1994)
Isodon setschwanensis  (Handel-Mazzetti) H. Hara
四川香茶菜   si chuan xiang cha cai
Plectranthus setschwanensis Handel-Mazzetti, Symb. Sin. 7: 939. 1936; Rabdosia setschwanensis (Handel-Mazzetti) H. Hara; R. setschwanensis var. yungshengensis C. Y. Wu & H. W. Li; R. taliensis C. Y. Wu.
Shrubs 1-1.5 m. Branches slender, upright, gray; branchlets reddish brown, pubescent. Leaves opposite, narrowly rhombic-ovate, lanceolate, obovate, or ovate, 2.5-10 × 1-3.5 cm, papery, adaxially sparsely puberulent, glandular, abaxially greenish brown, yellowish glandular, base cuneate to attenuate, margin serrate or subcrenate-dentate, apex acute to short acuminate, lateral veins 3- or 4-paired. Panicles terminal, 1.5-13 cm, racemose, minutely appressed puberulent; cymes slightly crowded, 3-5(-11)-flowered; peduncle 2-5(-9) mm; floral leaves subsessile, lanceolate, lower ones ovate, margin entire, apex long acuminate, equal to or longer than cymes. Pedicel 2-5 mm. Calyx campanulate, 3-3.5 × 3.5-4 mm, sparsely glandular, appressed pilose; teeth narrowly lanceolate, subequal, ca. 1/2 as long as calyx, apex subulate; fruiting calyx dilated to 6 mm, pendulous, slightly curved. Corolla white with purple spots, 8-9 mm, pilose, sparsely glandular, tube ca. 5 mm. Stamens and style nearly included. Nutlets dark brown, ovoid, ca. 1.5 mm, smooth. Fl. Sep, fr. Oct.
* Forests, hills; 2100-3500 m. Sichuan, Yunnan.

TOP