栏目

侧蒿Artemisia deversa Diels

侧蒿Artemisia deversa Diels

别名:笋花蒿;掌叶蒿;

科名:菊科 Compositae

属名:蒿属 Artemisia

《中国植物志》第76(2)卷174页
  130.侧蒿(中国高等植物图鉴)笋花蒿(陕西)
  Artemisia deversa Diels in Engl. Jahrb. Bot. 29: 618. 1901: Pamp. in Nuov. Giorn. Bot. Ital. n.s. 34: 552. 1927 et 36: 483. 1930; S. Y. Hu in Quart. Journ. Taiwan Mus. 18(1-2): 130. 1965; 中国高等植物图鉴4: 534, 图6481. 1975.
  多年生草本。主根稍明显,侧根多;根状茎短,略粗,稍匍地,直径3-5毫米。茎单生,稀少数,高50-100厘米,具细纵棱,淡褐色或淡紫褐色,幼时被稀疏短柔毛,后脱落;上半部具着生头状花序的分枝,枝纤细,长5-10厘米。叶薄纸质或纸质,上面初时被稀疏不明显的短腺毛状柔毛,后近无毛,背面初时被稀疏的蛛丝状短柔毛,后近光滑;茎下部叶宽卵形或卵形,羽状深裂,叶柄短,花期叶凋谢;中部叶卵形或宽卵形,长8-14(-18)厘米,宽4-12厘米,羽状深裂或半裂,稀浅裂,每侧有裂片2(-3)枚,裂片卵形、长卵形或卵状披针形,长2.5-8厘米,宽1-5厘米,先端长尖或尾尖,稀钝尖,裂片边缘常有数枚缺齿并密生粗或细锯齿,叶基部渐狭成短柄,叶柄长2-4厘米;上部叶指状3深裂,稀2裂或不分裂,分裂叶的中间裂片最大,长4-8厘米,宽2-5厘米,不分裂叶的叶片为椭圆形、长椭圆形或椭圆状披针形,裂片及不分裂叶之叶片先端尾尖,边缘具细而密的锯齿,基部宽楔形,渐狭,叶柄长0.5-2厘米;苞片叶不分裂或偶有1-2枚深裂或浅裂片。头状花序长圆形或椭圆形,直径1.5-2.5 毫米,无梗,无小苞叶,在分枝的小枝上数枚至10余枚排成穗状花序,而在分枝上成复穗状排列,而在茎端通常组成中等开展的圆锥花序;总苞片3-4层,外层总苞片短小,卵形,中、内层总苞片长卵形或倒卵状长圆形;雌花3-5朵,花冠狭管状,花柱伸出花冠外,先端2叉,叉端钝尖;两性花4-9朵,花冠管状,花药线形,先端附属物尖,长三角形,基部钝,花柱与花冠等长或略长于花冠,先端2叉,叉端截形并有睫毛。瘦果小,长圆形或倒卵状长圆形。花果期8-10月。
  秦岭与大巴山地区特有种。产陕西(南部)、甘肃(东南部)、湖北(西部)、四川(东北部);生于海拔1 000-2 300米地区林下、林缘、山谷,坡地及河边等。模式标本采自陕西雩县。

《Flora of China》 Vol. 20-21 (2011)
Artemisia deversa  Diels Bot. Jahrb. Syst. 29: 618. 1901.
侧蒿   ce hao
Herbs, perennial, 50-100 cm tall, branched apically; all parts glabrous. Middle stem leaves: petiole 2-4 cm; leaf blade ovate or broadly ovate, 8-14(-18) × 4-12 cm, pinnatipartite or -cleft; segments 2(or 3) pairs, ovate, ovate-elliptic, or ovate-lanceolate, 2.5-8 × 1-5 cm, margin lacerate and serrate, apex acuminate. Uppermost leaves dichotomously (2 or)3-partite, or entire; entire leaves elliptic or elliptic-lanceolate; distal lobes 4-8 × 2-5 cm, base attenuate, margin serrate; leaflike bracts entire or occasionally 1- or 2-partite or cleft. Synflorescence a moderately broad panicle, branches ± divaricate; ultimate branches slender, lax, sometimes several per node; bracts mostly absent. Capitula widely spaced, sessile. Involucre oblong or ellipsoid, 1.5-2.5 mm in diam. Marginal female florets 3-5. Disk florets 4-9, bisexual. Achenes oblong or obovoid-oblong. Fl. and fr. Aug-Oct.
● Forest margins, canyons, slopes, riverbanks; 1000-2300 m. SE Gansu, W Hubei, S Shaanxi, NE Sichuan.

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