Monday, February 15, 2016

Solanum douglasii (White Nightshade)

4/12/03 Eaton Canyon Natural Area, San Gabriel Mountains, Los Angeles County, CA 

4/2/05 Eaton Canyon Natural Area 

 1/23/05 Gabrielino Trail (JPL to Oakwilde), Lower Arroyo Seco,
San Gabriel Mountains, Los Angeles County, CA

4/27/03 Gabrielino Trail (JPL to Oakwilde)

7/13/02 Upper Newport Bay Ecological Reserve, Orange County, CA

5/18/02 Upper Newport Bay

5/6/01 Gabrielino Trail (Chantry Flat to Sturtevant Falls), San Gabriel Mountains, 
Angeles National Forest, Los Angeles County, CA 

4/3/00 Gabrielino Trail (JPL to Oakwilde)


COMMON NAME: White Nightshade

SPECIES: Solanum douglasii

FAMILY: Solanaceae (Nightshade Family)


LOCATION: Gabrielino Trail (JPL to Oakwilde), Lower Arroyo Seco, San Gabriel Mountains, Los Angeles County, CA


Treatment from The Jepson Manual (1993):

Perennial or subshrub < 20 dm, much-branched; hairs generally simple, < 1 mm, ± curved, white

Leaf 1–9 cm, ovate, entire to coarsely and irregularly toothed

Inflorescence generally umbel-like

Flower: calyx ± 2 mm; corolla ± 10 mm wide, deeply lobed, white with greenish spots at base; anthers 2.5–4 mm; style 4–5 mm, puberulent below

Fruit 6–9 mm diam

Seed 1.2–1.5 mm

Ecology: Dry scrub, woodland

Elevation: < 1000 m.  

Bioregional distribution: s North Coast, Tehachapi Mountain Area, Central Western California, Southwestern California, Mojave Desert 

Distribution outside California: n Mexico

Flowering time: Most of year

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