Thursday, April 25, 2019

Rumex californicus (Willow-leaved Dock, California Dock)

7/8/16 Virginia Lakes, Toiyabe National Forest,
Eastern Sierra, Mono County, CA


COMMON NAME: Willow-leaved Dock, California Dock

SPECIES: Rumex californicus

FAMILY: Polygonaceae (Buckwheat Family)

LIFE LIST DATE: 7/8/2016

LOCATION: Virginia Lakes, Toiyabe National Forest, Eastern Sierra, Mono County, CA

Treatment from Jepson eFlora:

Habit: Perennial herb, glabrous; taproot vertical. 

Stem: ascending (decumbent or +- erect), 3--6 dm, often with axillary shoots below 1° inflorescence. 

Leaf: blade 5--10 cm, 1--3 cm wide, linear to lance-oblanceolate, base tapered, margin entire, flat or wavy near base, tip acute or attenuate. 

Inflorescence: axillary, terminal, +- open, interrupted, branches generally simple; whorls 10--15(20)-flowered; pedicels 3--8 mm, thread-like, jointed. 

Flower: generally both bi- and unisexual on 1 pl; inner perianth lobes 2.5--3.5 mm, 2.2--3.3 mm wide, generally widely triangular or deltate, base truncate, margin generally minute-toothed, tip obtuse or +- acute; tubercles generally 0, or 1 midvein +- swollen. 

Fruit: 2 mm, 1.3 mm wide, brown to dark red-brown. 

Ecology: Moist places; 

Elevation: < 3500 m. 

Bioregional Distribution: CA (esp mtns, coast); 

Distribution Outside California: Oregon, Nevada, Arizona, possibly northern Mexico. 

Flowering Time:May--Sep 

Jepson eFlora Author: Scott Simono

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