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黄白香薷Elsholtzia ochroleuca Dunn

黄白香薷Elsholtzia ochroleuca Dunn

科名:唇形科 Labiatae

属名:香薷属 Elsholtzia

《中国植物志》第66卷316页
  6.黄白香薷
  Elsholtzia ochroleuca Dunn in Notes Bot. Gard. Edinburgh 8: 161. 1913; in ibid. 6: 148, 151. 1915; Rehd. in Journ. Arn. Arb. 16: 16. 1935; Hand.-Mazz. in Act. Hort. Gothob. 13: 356. 1939——Elsholtzia lampradena Levl. in Bull. Geogr. Bot. 25: 25. 1915; Cat. Pl. Yun-Nan 137. 1916——Aphanochilus fruticosus(D. Don)Kudo var. ochroleuca(Dunn)Kudo in Mem. Fac. Sci. Agr. Taihoku Univ. 2: 62. 1929.
形态特征:直立灌木,高1—1.5米。老枝圆柱形,淡褐色,有纵向剥落的皮层,幼枝钝四棱形,具条纹,深褐色,密被灰色向上弯曲的柔毛。叶卵形至卵状椭圆形,长5—8厘米,宽2.5—4.3厘米,先端急尖,基部楔状下延,边缘在基部以上具圆齿,基部全缘,上面深绿色,下面淡绿色,两面沿中脉及侧脉上较密被余部极疏被灰色糙伏毛,两面密布淡黄色腺点,侧脉约4—6对,与中脉在上面下陷下面隆起,细脉在下面清晰可见;叶柄长0.5—1.5厘米,腹平背凸,密被灰色卷曲柔毛。穗状花序于茎、枝上顶生,长5—10厘米,花时径约1厘米,由具短梗的轮伞花序密集组成,位于下方的轮伞花序稍疏离,下部者靠近;苞叶除最下部1—2对叶状,其长度稍超过轮伞花序外,向上均细小,苞片状,钻状披针形;花梗长0.5—1.5毫米,与总梗、序轴均密被灰黄色绒毛。花萼钟形,长约1.2毫米,宽约1毫米,外面被黄白色绒毛,内面仅齿上被黄白色绒毛,余部无毛,萼齿5,三角状钻形,长约0.4毫米,近相等。花冠淡黄白色,长约3.2毫米,外面稍被疏柔毛,间夹有淡黄色腺点,内面在冠筒中部以下有髯毛状毛环,冠筒长约2.2毫米,基部宽约0.5毫米,向上渐宽,至喉部宽达1毫米,冠檐二唇形,上唇直立,长约1毫米,先端微缺,下唇开展,3裂,中裂片近圆形,长约1毫米,边缘具缺刻,侧裂片半圆形。雄蕊4,前对较长,均伸出,花丝扁平,无毛,花药卵圆形,2室。子房无毛。未成熟小坚果长圆形,长约1毫米,顶端圆形,腹部具棱,淡褐色,无毛。花期8月。
产地分布:产云南东南部:生于灌木丛中,海拔1600—2000米。模式标本采自云南蒙自。
参考文献:ElsholtziaochroleucaDunninNotesBot.Gard.Edinburgh8:161.1913;inibid.6:148,151.1915;Rehd.inJourn.ArnArb.16:16.1935;Hand.-Mazz.inAct.Hort.Gothob.13:356.1939——ElsholtzialampradenaLevl.inBull.Geogr.Bot,25:25.1915;Cat.Pl.Yun-Nan137.1916——Aphanochilusfruticosus(D.Don)Kudovar.ochroleuca(Dunn)KudoinMem.Fac.SciAgr.TaihokuUniv.2:62.1929
本系概述:Ser.FruticosaeC.Y.WuetS.C.HuanginAct.Phytotax.Sin.12(3):337.1974.灌木,半灌木或极少为粗壮草本;穗状花序疏散;花大;雄蕊稍外露,伸长。
亚组概述:Subsect.Stenelasmeae(Briq.)C.Y.WuetS.C.HuanginAct.Phytotax.Sin.12(3):337.1974——2.StenelasmeaeBriq.inEngl.u.Prantl.Nat.Pfianzenfam.4,3a:327.1897.苞片狭,线状钻形或锐尖。小坚果有光泽。

《Flora of China》 Vol. 17 (1994)
Elsholtzia ochroleuca  Dunn
黄白香薷   huang bai xiang ru
Aphanochilus fruticosus (D. Don) Kudo var. ochroleuca (Dunn) Kudo; Elsholtzia lampradena H. Léveillé; E. ochroleuca Dunn var. parvifolia C. Y. Wu & S. C. Huang.
Shrubs erect 1-1.5 m tall. Branches cylindric, brownish, bark exfoliating; young branches dark brown, densely antrorse gray villous. Petiole 0.5-1.5 cm; leaf blade ovate to ovate-elliptic, (1.5-)5-8 × (0.6-)2.5-4.3 cm, densely yellowish glandular, gray strigose, densely so on veins abaxially, base cuneate-decurrent, margin crenate except entire at base, apex acute, lateral veins 4-6-paired. Spikes terminal only, 5-10 cm, ca. 1 cm in diam. in flower; verticillasters short pedunculate, ± widely spaced at base; peduncle and rachis densely gray-yellow tomentose; bracts subulate-lanceolate. Pedicel 0.5-1.5 mm, densely gray-yellow tomentose. Calyx campanulate, ca. 1.2 × 1 mm, yellow-white tomentose outside and on teeth inside; teeth triangular-subulate, ca. 0.4 mm, subequal. Corolla yellowish white, ca. 3.2 mm, sparsely pilose, yellowish glandular outside, bearded annulate inside, tube ca. 2.2 mm, funnelform, throat to 1 mm wide; upper lip ca. 1 mm, apex emarginate; middle lobe of lower lip subcircular, ca. 1 mm, margin incised; lateral lobes semicircular. Immature nutlets oblong, ca. 1 mm, apex rounded, adaxially ribbed. Fl. Aug.
* Sunny hills, ravines, thickets; 1600-2600 m. Sichuan, Yunnan.

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