台湾香薷Elsholtzia oldhami Hemsl.
科名:唇形科 Labiatae
属名:香薷属 Elsholtzia
《中国植物志》第66卷341页
27.台湾香薷
Elsholtzia oldhami Hemsl. in Journ. Linn. Soc. Bot. 26: 277. 1890; Kudo in Mem. Fac. Sci. Agr. Taihoku Univ. 2: 68. 1929.
小草本,被蛛丝状短柔毛。茎四稜形,稍肥厚,具多数上升的分枝。叶具较长的柄,纸质或近膜质,卵圆状披针形,不连叶柄长2.5-6.5厘米,先端渐尖,几不锐尖,基部圆形或近楔形,边缘具较粗大的锯齿状牙一齿,上面略被细刚毛,下面被疏而细的蛛丝状短柔毛,侧脉约5对,在上面明显;叶柄纤细,长1.3-1.9厘米。花小或微小(只见到花蕾),排成四列穗状,穗状花序腋生,单一,或顶生,近无梗,长约2.5厘米或较短,极密;苞片被短柔毛,阔匙状圆形,先端骤然渐尖,包被花(及几不包被花?)。花萼被短柔毛,近相等深5齿,内面无毛。花冠4裂,上唇或上裂片先端微缺。雄蕊4,无毛,花药明显2室。子房无毛。(标本未见,摘自原描写)。
产台湾。模式标本采自台湾。
形态特征:小草本,被蛛丝状短柔毛。茎四棱形,稍肥厚,具多数上升的分枝。叶具较长的柄,纸质或近膜质,卵圆状披针形,不连叶柄长2.5—6.5厘米,先端渐尖,几不锐尖,基部圆形或近楔形,边缘具较粗大的锯齿状牙齿,上面略被细刚毛,下面被疏而细的蛛丝状短柔毛,侧脉约5对,在上面明显;叶柄纤细,长1.3—1.9厘米。花小或微小(只见到花蕾),排成四列穗状,穗状花序腋生,单一,或顶生,近无梗,长约2.5厘米或较短,极密;苞片被短柔毛,阔匙状圆形,先端骤然渐尖,包被花(及几不包被花?)。花萼被短柔毛,近相等深5齿,内面无毛。花冠4裂,上唇或上裂片先端微缺。雄蕊4,无毛,花药明显2室。子房无毛。(标本未见,摘自原描写)。
产地分布:产台湾。模式标本采自台湾。
参考文献:ElshottziaoldhamiHemsl.inJourn.Linn.Soc.Bot.26:277.1890;KudoinMem.Fac.Sci.Agr.TaihokuUniv.2:68.1929.
《Flora of China》 Vol. 17 (1994)
Elsholtzia oldhamii Hemsley
台湾香薷 tai wan xiang ru
Herbs cobwebby pubescent. Stems with numerous ascending branches. Petiole 1.3-1.9 cm; leaf blade papery or ± membranous, ovate-lanceolate, 2.5-6.5 cm, sparsely minute hispid adaxially, sparsely fine cobwebby pubescent abaxially, base rounded to subcuneate, margin coarsely serrate-dentate, apex acuminate; lateral veins ca. 5-paired, conspicuous adaxially. Spikes axillary, 4-ranked when young, secund when mature, solitary, to 2.5 cm, dense, subsessile; bracts broadly spatulate-orbicular, pubescent, apex abruptly acuminate. Flowers minute (open flowers not seen). Calyx pubescent outside, glabrous inside, teeth subequal. Corolla 4-lobed, upper lobe or lip emarginate. Stamens glabrous; anthers distinctly 2-locellate (specimens not seen).
* Taiwan
The 4-ranked bracts in the protologue are an artifact of the immature state of the type collection. This and species 28–33 of this account are very closely related.
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