短叶香茶菜Rabdosia brevifolia (Hand.-Mazz.) Hara
科名:唇形科 Labiatae
属名:香茶菜属 Rabdosia
《中国植物志》第66卷438页
10.短叶香茶菜
Rabdosia brevifolia (Hand.-Mazz.) Hara in Journ. Jap. Bot. 47(7): 194. 1972——Plectranthus brevifolius Hand.-Mazz. in Act. Hort. Gothob. 13: 368. 1939.
小灌木,幼枝近四棱形,与叶柄、花序被浅褐或淡紫色贴生柔软具节绒毛,老枝无毛;具灰褐色皮层,有细条纹,无叶。叶三角状卵圆形,长宽约1-2.5厘米,先端锐尖或微钝,基部截形或略截形,边缘在基部以上有细小锯齿,坚纸质,具深皱,上面各处下面主沿脉上被极短的细硬毛,并除叶脉外被有混生黑、白、黄细小腺体的连续层,脉网下面隆起;叶柄长为叶片之半至与其近等长,无翅。下部聚伞花序具长约5毫米的总梗,比叶短很多,上部聚伞花序无梗,并有时形成顶生长2.5厘米无叶小穗状花序。花萼花时长约1.5厘米,近相等5齿,齿三角形,锐尖,与萼几等长,被微硬绒毛,果萼未见。花冠干时红色(?),长3-4毫米,冠筒内藏,直伸,唇片外被白色小疏柔毛,下唇较长。花柱伸出。(标本未见,摘自原描写)
产云南中部。模式标本采自云南大姚白盐井。
形态特征:小灌木,幼枝近四棱形,与叶柄、花序被浅褐或淡紫色贴生柔软具节绒毛,老枝无毛;具灰褐色皮层,有细条纹,无叶。叶三角状卵圆形,长宽约1—2.5厘米,先端锐尖或微钝,基部截形或略截形,边缘在基部以上有细小锯齿,坚纸质,具深皱,上面各处下面主沿脉上被极短的细硬毛,并除叶脉外被有混生黑、白、黄细小腺体的连续层,脉网下面隆起;叶柄长为叶片之半至与其近等长,无翅。下部聚伞花序具长约5毫米的总梗,比叶短很多,上部聚伞花序无梗,并有时形成顶生长2.5厘米无叶小穗状花序。花萼花时长约1.5厘米,近相等5齿,齿三角形,锐尖,与萼几等长,被微硬绒毛,果萼未见。花冠干时红色(?),长3—4毫米,冠筒内藏,直伸,唇片外被白色小疏柔毛,下唇较长。花柱伸出。(标本未见,摘自原描写)
产地分布:产云南中部。模式标本采自云南大姚白盐井。
参考文献:Rabdosiabrevifolia(Hand.-Mazz.)HarainJoum.Jap.Bot.47(7):194.1972——PlectranthusbrevifoliusHand.-Mazz.inAct.Hort,Gothob.13:368.1939.
《Flora of China》 Vol. 17 (1994)
Isodon brevifolius (Handel-Mazzetti) H. W. Li
短叶香茶菜 duan ye xiang cha cai
Plectranthus brevifolius Handel-Mazzetti, Acta Horti Gothob. 13: 368. 1939.
Shrubs. Stems erect, to 1 m tall, much branched, densely appressed, flaccid dull yellow velutinous at apex. Petioles of stem leaves 1.5-2.5 cm; leaf blade triangular-ovate, 1-2.5 × 1-2.5 cm, papery, strongly corrugate, minutely hispid, abaxially densely yellowish or white glandular, base cuneate, margin serrulate above base, apex acute to slightly obtuse, lateral veins ca. 3-paired. Panicles (2-)3-7 cm; cymes 3-5-flowered, pedunculate; floral leaves ovate, 0.7-1.5 × 0.7-1.5 mm. Calyx campanulate ca. 1.5 mm, densely villous; teeth 5, narrowly triangular, 1/2 as long as calyx, apex acute. Corolla white, to 7 mm, puberulent outside, tube ca. 3.5 mm. Nutlets unknown. Fl. Oct.
* Stony slopes; ca. 2000 m. Yunnan.
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