Difference between revisions of "Polygonum californicum"

Meisner in A. P. de Candolle and A. L. P. P. de Candolle

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

Synonyms: Duravia californica (Meisner) Greene Polygonum greenei S. Watson
Treatment appears in FNA Volume 5. Treatment on page 564. Mentioned on page 561.
FNA>Volume Importer
FNA>Volume Importer
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Revision as of 23:32, 16 December 2019

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 in A. P. de Candolle and A. L. P. P. de Candolle +
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 +