Blyxa leiosperma
| Blyxa leiosperma | ||||||||||||
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| Scientific name | ||||||||||||
| Blyxa leiosperma | ||||||||||||
| Koidz. |
Blyxa leiosperma is a species of the frog-bite family (Hydrocharitaceae).
description
The stems are elongated, 2 to 6 inches high and branched at the base. The leaves grow on the stem and are lanceolate, 6 to 9 centimeters × approx. 2.5 millimeters in size, have 3 veins and a pointed end. The spathe are green and 2.5 to 3 centimeters × about 2 millimeters in size. Their stem is 0.2 to 2.2 inches long. The flowers are bisexual. The sepals are yellowish green, linear-lanceolate and 4 to 5 × approx. 0.5 millimeters in size. The petals are 9 to 10 × about 1 millimeter in size. There are 3 stamens . The stamens are 3 to 5 millimeters long, the anthers 3.5 to 5 millimeters. The ovary is cone-shaped. The stylus are 5 to 6 millimeters in size. The fruits measure 2.5 to 3 centimeters. The 40 to 60 seeds are egg-shaped and smooth.
The species blooms and produces fruit from May to September.
The number of chromosomes is 2n = 72.
Occurrence
Blyxa leiosperma grows in rice fields. The species occurs in China (Anhui, Fujian, Guangdong, Hainan, Jiangxi, Zhejiang) and Japan.
Systematics
Blyxa leiosperma was first described by Gen'ichi Koidzumi in Bot. Mag. (Tokyo) 31: 257 in 1917 .
supporting documents
- Qingfeng Wang, Youhao Guo, Robert R. Haynes, C. Barre Hellquist: Blyxa leiosperma . In: Flora of China Vol. 23 Hydrocharitaceae , p. 98 ( online )