Description
provided by eFloras
Herbs annual. Stems erect or ascending, 30-50 cm tall, much branched, angulate. Petiole short, articulate at base; leaf blade elliptic or oblong, 1-3 cm × 3-7 mm, both surfaces with conspicuous veins, base cuneate, margin entire, apex obtuse or subacute; ocrea: lower part brown, upper part white, 5-9-veined, lacerate. Flowers 2-7 in axillary fascicles. Pedicel 1.5-2 mm, apex articulate. Perianth green, margin white or pinkish, 5-parted to 2/3; tepals oblong, 2-2.5 mm. Stamens 8; filaments dilated at base. Styles 3, short. Achenes exserted from persistent perianth, brown, slightly shiny, ovoid, trigonous, 2.5-3.5 mm, densely minutely punctate, apex long acute. Fl. Jun-Aug, fr. Jul-Sep. 2n = ca. 60.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
Gansu, Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol, Shaanxi, Shanxi [Mongolia, Russia].
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
provided by eFloras
Near fields, roadsides, shaded grassy places in valleys; 400-2500 m.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Polygonum rigidum: Brief Summary
(
Vietnamese
)
provided by wikipedia VI
Polygonum rigidum là một loài thực vật có hoa trong họ Rau răm. Loài này được Skvortsov miêu tả khoa học đầu tiên năm 1943.
- license
- cc-by-sa-3.0
- copyright
- Wikipedia tác giả và biên tập viên
尖果蓼
(
Chinese
)
provided by wikipedia 中文维基百科
二名法 Polygonum rigidumSkvortsov 尖果蓼（学名：Polygonum rigidum）为蓼科蓼属下的一个种。
参考文献
扩展阅读
这是一篇與
植物相關的
小作品。你可以通过
编辑或修订扩充其内容。
尖果蓼: Brief Summary
(
Chinese
)
provided by wikipedia 中文维基百科
尖果蓼（学名：Polygonum rigidum）为蓼科蓼属下的一个种。
这是一篇與植物相關的小作品。你可以通过编辑或修订扩充其内容。 
