Description
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İngilizce
)
eFloras tarafından sağlandı
Herbs. Stems spreading to erect, zigzagged, green, simple or branched from base, wiry, 5-12(-15) cm, glabrous. Leaves uniformly distributed, articulated to ocreae, basal leaves persistent, distal leaves abruptly reduced to bracts; ocrea 2-5 mm, glabrous, proximal part funnelform, distal part lacerate; petiole essentially absent; blade 1-veined, not pleated, oblanceolate to obovate, 5-20 × 2-5 mm, margins revolute, never touching along midrib, sparsely papillose-denticulate, apex rounded or apiculate. Inflorescences axillary and terminal, spikelike, dense; cymes congested at tips of stems and branches, 3-5-flowered. Pedicels enclosed in ocreae, erect to spreading, 2-3 mm. Flowers open; perianth 2-2.5 mm; tube 12-25% of perianth length; tepals overlapping, uniformly white, petaloid, oblong to obovate, cucullate, navicular in distal 4, apex rounded; midveins unbranched; stamens 8. Achenes enclosed in or exserted from perianth, black, ovate to ovate-oblong, 1.8-2.1 mm, faces subequal, shiny, smooth.
- lisans
- cc-by-nc-sa-3.0
- telif hakkı
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
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İngilizce
)
eFloras tarafından sağlandı
Oreg.
- lisans
- cc-by-nc-sa-3.0
- telif hakkı
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Flowering/Fruiting
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İngilizce
)
eFloras tarafından sağlandı
Flowering Jun-Sep.
- lisans
- cc-by-nc-sa-3.0
- telif hakkı
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
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İngilizce
)
eFloras tarafından sağlandı
Dry, usually rocky slopes, often on serpentine; 1600-1800m.
- lisans
- cc-by-nc-sa-3.0
- telif hakkı
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Polygonum cascadense
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İngilizce
)
wikipedia EN tarafından sağlandı
Polygonum cascadense is a species of flowering plant in the buckwheat family known by the common name Cascade knotweed. It has been found only in the State of Oregon in the northwestern United States, in the Cascades and in the Blue Mountains.[1]
Description
Polygonum cascadense is an herb with a green or red zigzag stem up to 15 cm (5.9 in) tall. It produces small groups of white flowers with red anthers.[2]
References
- lisans
- cc-by-sa-3.0
- telif hakkı
- Wikipedia authors and editors
Polygonum cascadense: Brief Summary
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İngilizce
)
wikipedia EN tarafından sağlandı
Polygonum cascadense is a species of flowering plant in the buckwheat family known by the common name Cascade knotweed. It has been found only in the State of Oregon in the northwestern United States, in the Cascades and in the Blue Mountains.
- lisans
- cc-by-sa-3.0
- telif hakkı
- Wikipedia authors and editors