Polygonum striatulum
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| Polygonum striatulum | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Polygonaceae |
| Genus: | Polygonum |
| Species: | P. striatulum
|
| Binomial name | |
| Polygonum striatulum B.L.Rob. 1904
| |
| Synonyms[1][2] | |
| |
Polygonum striatulum, the striped knotweed[3] or Texas knotweed,[4] is endemic to the U.S. state of Texas but cultivated as an ornamental elsewhere.[5] It occurs there in sterile prairies, granitic soils, and in places that are seasonally moist, at elevations of 100–700 m (330–2,300 ft).[4][6]
Polygonum striatulum is a perennial herb that spreads by means of underground rhizomes. Leaves are lanceolate, up to 35 mm (1.4 in) long, the leaves in the upper part of the plant decidedly larger than those closer to the ground. Inflorescences are at the top of the plant and also at the tips of branches, each with 2–6 white to pinkish flowers.[4][7][8]
References
[edit | edit source]- ^ Tropicos, Polygonum striatulum
- ^ The Plant List, Polygonum striatulum
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ a b c Flora of North America Polygonum striatulum B. L. Robinson, 1904. Texas knotweed
- ^ Gardening Europe Archived 2014-02-22 at the Wayback Machine/
- ^ Biota of North America Program 2014 county distribution map
- ^ Robinson, Benjamin Lincoln. Proceedings of the Boston Society of Natural History 31(6): 263. 1904.
- ^ Correll, D. S. & M. C. Johnston. 1970. Manual of the Vascular Plants of Texas i–xv, 1–1881. The University of Texas at Dallas, Richardson.
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