栏目

矮鸢尾Iris kobayashii Kitagawa

矮鸢尾Iris kobayashii Kitagawa

科名:鸢尾科 Iridaceae

属名:鸢尾属 Iris

《中国植物志》第16(1)卷159页
  21. 矮鸢尾(东北植物检索表)图版50: 5
  Iris kobayashii Kitagawa in Journ. Jap. Bot. 9(4): 294-295. 1933, et Lineam. Fl. Mansh. 147. 1939; 东北植物检索表 586. 1959.
  多年生密丛草本,植株基部围有残留折断的老叶叶鞘,黄褐或棕褐色。根状茎块状,短粗,木质,棕褐色;须根黄棕色,分枝少。叶略扭曲,狭条形,长10-20厘米,宽约3毫米,顶端渐尖,无明显的中脉。花茎短,一般不伸出地面;苞片2-3枚,草质,绿色,狭披针形,长6-8厘米,宽0.8-1厘米,顶端长渐尖,其中包含1-2朵花;花蓝色带有黄斑,直径约3厘米;花梗较短,长约1.5厘米;花被管细长,长4-5 厘米,外花被裂片狭倒披针形,长约3厘米,宽约5毫米,上部向外反折,爪部狭楔形,呈沟状,内花被裂片狭倒披针形,长约2厘米,宽2-3毫米,直立;雄蕊长1.5-1.8厘米,花药黄色或黄褐色;花柱分枝较花被裂片略短而狭,顶端裂片丝状,狭三角形,子房细圆柱形,长约1厘米。蒴果长圆形,长约2厘米,直径7-8毫米,有6条突起的肋,顶端有短喙。花期5月,果期6-8月。
  产辽宁南部。生于干燥的丘陵地。模式标本采自辽宁大连附近的南关岭。

《Flora of China》 Vol. 24 (2000)
Iris kobayashii  Kitagawa
矮鸢尾   ai yuan wei
Rhizomes short, stout, woody. Leaves linear, slightly twisted, 10--20 cm × ca. 3 mm, midvein absent, base surrounded by yellowish brown, persistent sheaths. Flowering stems not emerging above ground; spathes 2 or 3, narrowly lanceolate, 6--8 cm × 8--10 mm, 2-flowered, apex long acuminate. Flowers yellow, purple spotted, 3--5 cm in diam.; pedicel ca. 1 cm. Perianth tube 4--5 cm, slender; outer segments narrowly oblanceolate, ca. 3 cm × 5 mm, limb spreading; inner segments erect, narrowly oblanceolate, ca. 2 cm × 2--3 mm. Stamens 1.5--1.8 cm; anthers yellowish or purplish. Ovary ca. 1 cm. Style branches shorter and narrower than perianth segments. Capsule ellipsoid, ca. 2 cm × 7--8 mm, 6-ribbed, apex shortly beaked. Fl. May, fr. Jun--Aug.
* Dry hillsides. S Liaoning.
An endangered species.

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