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细毛香茶菜Rabdosia hirtella (Hand.-Mazz.) Hara

细毛香茶菜Rabdosia hirtella (Hand.-Mazz.) Hara

科名:唇形科 Labiatae

属名:香茶菜属 Rabdosia

《中国植物志》第66卷456页
  33.细毛香茶菜
  Rabdosia hirtella (Hand.-Mazz.) Hara in Journ. Jap. Bot. 47(7): 196. 1972——Plectranthus hirtellus Hand.-Mazz. in Act. Hort. Gothob 13: 370. 1939.
  灌木或半灌木,高1-1.5米。茎直立,多分枝,老枝黄褐色,近圆柱形,具细条纹,无毛,幼枝钝四稜形或近圆柱形,极密被短而平展的微硬毛。茎叶对生,卵圆形或阔卵圆形,长1-3厘米,宽0.7-2.5厘米,先端锐尖或钝,基部截形或阔楔形,骤然渐狭至叶柄,边缘在基部以上具细圆齿状锯齿,纸质,上面榄绿色,极密被微硬毛,下面淡绿色,极密被灰白短绒毛或被微硬毛及腺点,有时变无毛,叶柄长达1,厘米,腹平背凸,极密被灰白微硬毛。狭圆锥花序顶生或腋生,长7-15厘米,由下部远离上部连续的聚伞花序组成,聚伞花序3-5花,无梗或具短梗,序轴密被灰白微硬毛;苞叶近圆形,径0.4-1.5厘米,先端钝或圆形,基部心形,无柄或近无柄,向上渐变小呈苞片状,小苞片线形,微小,长约1毫米,被微硬毛。花萼钟形,长约3毫米,外密被微硬毛,内面无毛,萼齿5,三角形,锐尖,长约为萼筒长1/2,近相等或微呈3/2式二唇形,果时花萼管状钟形,长约4毫米,脉纹显著。花冠白色微紫或蓝紫色,长达5毫米,外密被疏柔毛,内面无毛,冠筒长约2.5毫米,内藏,基部上方浅囊状,至喉部直径约1.5毫米,冠檐二唇形,上唇长约1.5毫米,外反,先端具四圆裂,下唇长约2.5毫米,内凹。雄蕊4,内藏。花柱丝状,先端相等2浅裂,稍伸出。成熟小坚果未见。
  产云南东北部及四川西南部;生于山坡阳处,海拔850-1300米。模式标本采自云南巧家。
形态特征:灌木或半灌木,高1—1.5米。茎直立,多分枝,老枝黄褐色,近圆柱形,具细条纹,无毛,幼枝钝四棱形或近圆柱形,极密被短而平展的微硬毛。茎叶对生,卵圆形或阔卵圆形,长1—3厘米,宽0.7—2.5厘米,先端锐尖或钝,基部截形或阔楔形,骤然渐狭至叶柄,边缘在基部以上具细圆齿状锯齿,纸质,上面榄绿色,极密被微硬毛,下面淡绿色,极密被灰白短绒毛或被微硬毛及腺点,有时变无毛,叶柄长达1厘米,腹平背凸,极密被灰白微硬毛。狭圆锥花序顶生或腋生,长7—15厘米,由下部远离上部连续的聚伞花序组成,聚伞花序3—5花,无梗或具短梗,序轴密被灰白微硬毛;苞叶近圆形,径0.4—1.5厘米,先端钝或圆形,基部心形,无柄或近无柄,向上渐变小呈苞片状,小苞片线形,微小,长约1毫米,被微硬毛。花萼钟形,长约3毫米,外密被微硬毛,内面无毛,萼齿5,三角形,锐尖,长约为萼筒长1/2,近相等或微呈3/2式二唇形,果时花萼管状钟形,长约4毫米,脉纹显著。花冠白色微紫或蓝紫色,长达5毫米,外密被疏柔毛,内面无毛,冠筒长约2.5毫米,内藏,基部上方浅囊状,至喉部直径约1.5毫米,冠檐二唇形,上唇长约1.5毫米,外反,先端具四圆裂,下唇长约2.5毫米,内凹。雄蕊4.内藏。花柱丝状.先端相等2浅裂,稍伸出。成熟小坚果未见。
产地分布:产云南东北部及四川西南部;生于山坡阳处,海拔850—1300米。模式标本采自云南巧家。
参考文献:Rabdosiahirtella(Hand.-Mazz.)HarainJourn.Jap.Bot.47(7):1961972——PlectranthushirtellusHand.Mazz.inAct.Hort.Gothob.13:370.1939.

《Flora of China》 Vol. 17 (1994)
Isodon hirtellus  (Handel-Mazzetti) H. Hara
细毛香茶菜   xi mao xiang cha cai
Plectranthus hirtellus Handel-Mazzetti, Acta Horti Gothob. 13: 370. 1939; Rabdosia hirtella (Handel-Mazzetti) H. Hara.
Shrubs or subshrubs 1-1.5 m. Stems erect, much branched; branches yellow brownish, glabrous; branchlets densely spreading hirtellous. Petiole to 1 cm; leaf blade ovate to broadly ovate, 1-3 × 0.7-2.5 cm, papery, adaxially densely hirtellous, abaxially densely gray tomentulose or hirtellous, glandular, sometimes glabrescent, base truncate to broadly cuneate-attenuate, margin crenulate-serrulate above base, apex acute to obtuse. Panicles narrow, terminal or axillary, 7-15 cm, densely gray hirtellous; cymes sessile or short pedunculate, 3-5-flowered; floral leaves subcircular, 4-15 mm wide, gradually reduced, upper floral leaves bractlike; bracteoles linear, ca. 1 mm. Calyx campanulate, ca. 3 mm, densely hirtellous, subequally 5-toothed to slightly 2-lipped; teeth triangular, ca. 1/2 as long as calyx, apex acute; fruiting calyx tubular-campanulate, ca. 4 mm, conspicuously veined. Corolla whitish purplish or bluish purple, to 5 mm, densely pilose, tube ca. 2.5 mm; upper lip ca. 1.5 mm, lower lip ca. 2.5 mm. Stamens included. Style slightly exserted. Nutlets unknown. Fl. Jun-Oct.
* Sunny slopes; 800-1300 m. Sichuan, Yunnan.

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