Sunday, May 28, 2017

Marrubium vulgare (Horehound) - Non-Native

3/24/17 Dripping Springs Campground, Agua Tibia Wilderness, 
Cleveland National Forest, Riverside County, CA

3/23/19 Harford Springs Reserve, Gavilan Hills, Riverside County, CA

 5/19/17 William Heise County Park, Laguna Mountains, San Diego County, CA


COMMON NAME: Horehound

SPECIES: Marrubium vulgare

FAMILY: Lamiaceae (Mint Family)

LIFE LIST DATE: 3/24/2017

LOCATION: Dripping Springs Campground, Agua Tibia Wilderness, Cleveland National Forest, Riverside County, CA


Treatment from Jepson eFlora:

Stem: ascending to erect, 1--6 dm. 

Leaf: petiole < blade; blade 1.5--5.5 cm, wide-ovate to +- round, base rounded to +- lobed, margin crenate. 

Flower: calyx 4--6 mm, lobes short-soft-hairy; corolla > calyx, lips +- equal. 

Ecology: Disturbed sites, generally overgrazed pastures; 

Elevation: < 600 m. 

Bioregional Distribution: CA (exc W&I); 

Distribution Outside California: widespread worldwide. 

Flowering Time: Mar--Nov 

Note: Formerly cultivated for tea, flavoring. 

eFlora Treatment Author: John M. Miller & Dieter H. Wilken

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