Rumex hymenosephalus (Indian Rhubarb, Canaigre Dock)

 4/3/17 Site #9, Ricardo Campground, 

Red Rock Canyon State Park, Kern County, CA

 4/3/17 Site #9, Ricardo Campground, 

Red Rock Canyon State Park, Kern County, CA

3/14/98 Saddleback Butte Trail, Saddleback Butte State Park, 

Antelope Valley, Western Mojave, Los Angeles County, CA

4/4/04 Pipes Canyon Road (loop from Hwy. 247), 
Yucca Valley, Riverside County, CA 

4/4/04 Pipes Canyon Road

LIFE LIST NOTES:

COMMON NAME: Indian Rhubarb, Canaigre Dock

SPECIES: Rumex hymenosephalus

FAMILY: Polygonaceae (Buckwheat Family)

LIFE LIST DATE: 3/14/1998

LOCATION: Saddleback Butte Trail, Saddleback Butte State Park, Antelope Valley, Western Mojave, Los Angeles County, CA

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Treatment from The Jepson Manual (1993):

Perennial from cluster of tuber-like roots

Stem 6–12 dm, stout, ± fleshy, smooth

Leaves basal and cauline, < 6 dm, fleshy; blade lanceolate to oblong, base tapered, tip acuminate, margin curled

Inflorescence dense

Flower: inner perianth lobe 8–15 mm, round-cordate, ± pink, teeth 0, tubercles 0

Fruit 4–7 mm

Ecology: Dry sandy places

Elevation: 0–2000 m.  

Bioregional distribution: Southwestern California, Mojave Desert 

Distribution outside California: to Wyoming, Texas, Baja California

Flowering time: Jan–May

Horticultural information: DRN, SUN: 7, 8, 9, 10, 11, 12, 13, 14 16, 17, 18, 19, 20, 21, 22, 23, 24.