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荛花香茶菜Rabdosia wikstroemioides (Hand.-Mazz.) Hara

荛花香茶菜Rabdosia wikstroemioides (Hand.-Mazz.) Hara

科名:唇形科 Labiatae

属名:香茶菜属 Rabdosia

《中国植物志》第66卷454页
  29. 荛花香茶菜 图版97:1-3
  Rabdosia wikstroemioides (Hand.-Mazz.) Hara in Journ. Jap. Bot. 47(7): 203. 1972——Plectranthus wikstroemioides Hand.-Mazz. in Act. Hort Gothob. 13: 364, in clavi, 369, descr. 1939.
  小灌木,高0.6-1.5米,多分枝。老枝圆柱形,多少具稜角,灰褐色,变无毛,皮层不规则纵裂,髓部小而白色,幼枝钝四稜形,褐色,具浅槽及条纹,极密被具腺短绒毛,多叶。茎叶对生,椭圆形或披针形或倒披针形,长0.8-1.5厘米,宽0.5-0.7厘米,先端锐尖或下部茎叶先端近圆形,基部宽楔形至圆形或近截平而骤然渐狭,全缘或中部以上疏生少数不明显的牙齿,坚纸质,上面绿色,密被短绒毛及乳突状腺点,脉网密集而带黄色,下面灰白色,极密被由卷曲单毛组成的绒毛,脉网凸起,被淡黄腺点,侧脉每侧3-5,斜伸,在叶齿之下网结;叶柄长1-4毫米,腹凹背凸,密被短绒毛及腺点。聚伞花序生于茎枝上部渐变小及渐狭的叶腋内,3-5花,比叶短,具短梗,总梗与花梗近等长,长1-3毫米,均密被具腺短绒毛。花萼钟形,开花时长约4毫米,外密被具腺短绒毛,内面无毛,10脉,萼齿5,近等大,狭三角形,长约为花萼长1/3,先端锐尖,果时花萼稍增大,管状钟形,长约6毫米,脉纹十分明显。花冠紫色或白色而具紫条纹,长约7毫米,外被白色短柔毛,内面无毛,冠筒直,长约3毫米,基部狭筒形,向上骤然增大,冠檐二唇形,上唇外反,长约3.5毫米,先端具相等的四圆裂,下唇阔卵圆形,长约4毫米,内凹,平伸。雌雄蕊内藏。成熟小坚果长圆状三稜形,长达1.5毫米,黑褐色,无毛。
  产云南西北部,四川西部;生于山谷、坡地灌丛中,海拔(2350)2500-3200米。模式标本采自云南德钦。
形态特征:小灌木,高0.6—1.5米,多分枝。老枝圆柱形,多少具棱角,灰褐色,变无毛,皮层不规则纵裂,髓部小而白色,幼枝钝四棱形,褐色,具浅槽及条纹,极密被具腺短绒毛,多叶。茎叶对生,椭圆形或披针形或倒披针形,长0.8—1.5厘米,宽0.5—0.7厘米,先端锐尖或下部茎叶先端近圆形,基部宽楔形至圆形或近截平而骤然渐狭,全缘或中部以上疏生少数不明显的牙齿,坚纸质,上面绿色,密被短绒毛及乳突状腺点,脉网密集而带黄色,下面灰白色,极密被由卷曲单毛组成的绒毛,脉网凸起,被淡黄腺点,侧脉每侧3—5,斜伸,在叶齿之下网结;叶柄长1—4毫米,腹凹背凸,密被短绒毛及腺点。聚伞花序生于茎枝上部渐变小及渐狭的叶腋内,3—5花,比叶短,具短梗,总梗与花梗近等长,长1—3毫米,均密被具腺短绒毛。花萼钟形,开花时长约4毫米,外密被具腺短绒毛,内面无毛,10脉,萼齿5,近等大,狭三角形,长约为花萼长1/3,先端锐尖,果时花萼稍增大,管状钟形,长约6毫米,脉纹十分明显。花冠紫色或白色而具紫条纹,长约7毫米,外被白色短柔毛,内面无毛,冠简直,长约3毫米,基部狭筒形,向上骤然增大,冠檐二唇形,上唇外反,长约3.5毫米,先端具相等的四圆裂,下唇阔卵圆形,长约牛毫米,内凹,平伸。雌雄蕊内藏。成熟小坚果长圆状三棱形,长达1.5毫米,黑褐色,无毛。
产地分布:产云南西北部,四川西部;生于山谷、坡地灌丛中,海拔(2350)2500—3200米。模式标本采自云南德钦。
参考文献:Rabdosiawikstroemioides(Hand.Mazz.)HarainJourn.Jap.Bot47(7):203.1972——PlectranthuswikstroemioidesHand.-Mazz.inAct.HortGothob.13:364,inclavi,369,descr.1939.

《Flora of China》 Vol. 17 (1994)
Isodon wikstroemioides  (Handel-Mazzetti) H. Hara
荛花香茶菜   rao hua xiang cha cai
Plectranthus wikstroemioides Handel-Mazzetti, Acta Horti Gothob. 13: 369. 1939; Rabdosia wikstroemioides (Handel-Mazzetti) H. Hara.
Shrubs 0.6-1.5 m, much branched. Branches grayish brown, glabrescent; branchlets brown, densely glandular tomentulose. Petiole 1-4 mm, densely tomentulose, glandular; leaf blade lanceolate to oblanceolate, 0.8-1.5 cm × 5-7 mm, papery, adaxially densely tomentulose, papillate glandular, abaxially gray, densely floccose-tomentose, yellowish glandular, base broadly cuneate to ± truncate, abruptly attenuate, margin entire to obscurely few dentate above middle, apex acute to rounded, lateral veins 3-5-paired. Cymes axillary, shorter than floral leaves, pedunculate, 3-5-flowered; peduncle densely glandular, tomentulose; upper floral leaves gradually smaller, narrower. Pedicel 1-3 mm, densely glandular, tomentulose. Calyx campanulate, ca. 4 mm, densely glandular tomentose, 10-veined; teeth subequal, narrowly triangular, ca. 1/3 as long as calyx, apex acute; fruiting calyx tubular-campanulate, ca. 6 mm, conspicuously veined. Corolla purplish or yellowish white, ca. 7 mm, whitish puberulent outside; tube straight, ca. 3 mm. Stamens included. Style included. Nutlets dark brown, triquetrous, oblong, to 1.5 mm, glabrous. Fl. and fr. Aug-Oct.
* Hills, valleys, thickets; 2300-3200 m. Sichuan, Xizang, Yunnan.

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