Iris bulleyana
| Iris bulleyana | ||||||||||||
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Iris bulleyana |
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| Scientific name | ||||||||||||
| Iris bulleyana | ||||||||||||
| Dykes |
Iris bulleyana is a plant from the genus of the iris ( Iris ).
features
The rhizome is creeping and thick. The leaves are grayish green on both sides, linear and 15 to 45 centimeters × 3 to 10 millimeters in size. A midrib is missing. The leaf base is reddish. The stems are 10 to 40, rarely up to 70 centimeters × 4 to 6 millimeters in size, hollow and two or three-leaved. The 2 or 3 Spathas are green, slightly reddish on the edge, 5.5 to 12 × 0.8 to 1.2 centimeters in size and rarely one, mostly two-flowered. The flowers are pale purple or bluish purple to dark purple, less often white and have a diameter of 6.5 to 7.5 centimeters. The flower stalks are 2 to 6 inches long. The perigon tube is 1 to 1.2 centimeters long. The pendulum leaves are obverse-shaped, 4.5 to 5 × approximately 2.5 centimeters and have dark lines and patterns on a central, whitish or yellowish spot. The standards are more or less erect, light purple, lanceolate and about 4 to 1.5 centimeters tall. The stamens are about 2.5 centimeters, the anthers are milky white. The ovary is about 2 inches tall. The style branches are about 3.5 centimeters tall. The capsule is 4 to 5.5 × 1.5 to 1.8 centimeters in size, cylindrical, triangular, recognizable 6-veined, blunt and not beaked at the tip. The seeds are hemispherical, flat and brown.
The number of chromosomes is 2n = 40.
The species blooms in June and July and fruit from August to October.
Occurrence
Iris bulleyana occurs in Myanmar and China (Sichuan, Xizang and Yunnan). It grows on damp slopes, meadows and river banks at altitudes of 2300 to 4300 meters.
Systematics
The species Iris bulleyana was first described by William Rickatson Dykes in 1910. In 1980 YT Zhao described a white flowering form restricted to Yunnan as Iris bulleyana f. alba .
supporting documents
- Yu-tang Zhao, Henry J. Noltie, Brian F. Mathew: Iris bulleyana . In: Flora of China. Volume 24 . 2000, p. 300 ( online )
