Difference between revisions of "Polygonum californicum"

Meisner

in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 14: 100. 1856.

Endemic
Synonyms: Duravia californica (Meisner) Greene Polygonum greenei S. Watson
Treatment appears in FNA Volume 5. Treatment on page 564. Mentioned on page 561.
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|accepted_name=Polygonum californicum
 
|accepted_name=Polygonum californicum
|accepted_authority=Meisner in A. P. de Candolle and A. L. P. P. de Candolle
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|accepted_authority=Meisner
 
|publications={{Treatment/Publication
 
|publications={{Treatment/Publication
 
|title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr.
 
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name=Polygonum californicum
 
name=Polygonum californicum
|authority=Meisner in A. P. de Candolle and A. L. P. P. de Candolle
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|authority=Meisner
 
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|publication year=1856
 
|publication year=1856
 
|special status=Endemic
 
|special status=Endemic
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|subfamily=Polygonaceae subfam. Polygonoideae
 
|subfamily=Polygonaceae subfam. Polygonoideae
 
|genus=Polygonum
 
|genus=Polygonum

Latest revision as of 22:08, 5 November 2020

Herbs. Stems erect, green, simple or divaricately branched, ± wiry, 4–40 cm, papillose-scabridulous. Leaves uniformly distributed, not articulated to ocreae, basal leaves usually caducous, distal leaves abruptly reduced to bracts; ocrea 5–10 mm, glabrous or papillose-scabridulous, proximal part cylindric, distal part white or tawny, disintegrating into ± bristly-fringed fibers; petiole absent; blade 3-veined, without pleats, linear, 5–25(–30) × 0.5–2 mm, margins revolute, papillose-denticulate or smooth, apex mucronate or weakly spine-tipped. Inflorescences axillary; cymes in distal axils, 1-flowered. Pedicels absent. Flowers open or closed; perianth 2.5–3.5 mm; tube 10–20% of perianth length; tepals overlapping, uniformly white to pink, petaloid, elliptic, navicular, apex acute to acuminate; midveins unbranched; stamens 8. Achenes enclosed in or slightly exserted from perianth, brown, narrowly elliptic, 1.8–2.2 mm, faces subequal, shiny, smooth.


Phenology: Flowering May–Sep.
Habitat: Open places, including serpentine
Elevation: 40-1200 m

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Polygonum californicum"
Mihai Costea +, François J. Tardif +  and Harold R. Hinds† +
Meisner +
Calif. +  and Oreg. +
40-1200 m +
Open places, including serpentine +
Flowering May–Sep. +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
Duravia californica +  and Polygonum greenei +
Polygonum californicum +
Polygonum sect. Duravia +
species +