Bush Monkeyflower

Bush monkeyflower (Mimulus aurantiacus) readily hybridizes, producing a myriad of forms and colors.

Bush monkeyflower (Mimulus aurantiacus) readily hybridizes, producing a myriad of forms and colors, and some interesting work for botanists. This plant pictured above may be a hybrid of local salmon and scarlet colored forms.

Update June 10, 2011. The Diplacus section of Mimulus has been the source of much taxonomic turmoil, with the number of species varying from two to 13. Research by Tulig & Clarke found that most named taxa in this group can be distinguished based on morphological characteristics. Accordingly, the monkeyflower pictured above would correspond to a variety of Diplacus longiflorus (Southern bush monkeyflower).

The scarlet variety is sometimes referred to as Diplacus rutilus (Santa Susana bush monkeyflower).

From a run near Sage Ranch on March 26, 2007.

Angeles High Country

Angeles High Country

Of all the faces of Los Angeles perhaps the least well known is the Angeles High Country. Entirely within the County of Los Angeles, the lofty peaks and chiseled canyons extend from Mt. Waterman on the west to 10,064′ Mt. Baldy on the east. It is rugged and wild — the home of ancient trees, bighorn sheep, black bears and mountain lions.

This view of the crest is from the Rim Trail, on the steep eastern shoulder of Mt. Wilson. From left to right the prominent peaks are Mt. Waterman (8,038′), Twin Peaks (7761′), Mt. Baden-Powell (9,399′), and Mt. Baldy (10,064′). The lack of snow is indicative of the meager amount of precipitation we’ve had this Winter.

We were running the Rim Trail as part of an approximately 22-mile loop from Shortcut Saddle on Angeles Crest Highway to Mt. Wilson and back. The loop incorporates several segments of the new 50-mile course that is part of the Angeles National Forest Trail Race (formerly Mt. Disappointment).

The segments of the loop that are on the 50-mile course are the Silver Moccasin Trail, Gabrielino Trail, Kenyon DeVore Trail, and the Rincon-Edison Road. Here are a Google Earth image and Google Earth KMZ file of a GPS trace of the route.

Much of the winding 5.6 mile climb out from the W.F. San Gabriel River on the Rincon-Edison Road is steep and shadeless. Rincon-Edison Road is also used (under permit) by off-road vehicles — we encountered two dirt bikes and a jeep.

Blue Skies, Green Hills & Sunshine

Runner on a track that connects Rocky Peak fire road to Las Llajas Canyon in Rocky Peak Park.

Runner on a track that connects Rocky Peak fire road to Las Llajas Canyon in Rocky Peak Park. From the top of this hill there is approximately 4 miles of fast downhill through a scenic canyon garnished with out of service oil wells and a gurgling creek.

Related post: Chumash – Las Llajas Loop.

Eastwood Manzanita

Ants forage among the blossoms of Eastwood manzanita on the Chumash Trail in Rocky Peak Park.

Ants forage among the blossoms of Eastwood manzanita on the Chumash Trail in Rocky Peak Park. From a run on Wednesday, March 21, 2007.

Some related posts: Chumash-Las Llajas Loop, Chumash-Hummingbird Loop, San Fernando Valley from Rocky Peak, Chumash Trail Snow.

A Little Rain in Los Angeles

Droplets of rain on the funnel shaped web of the western grass spider, Agelenopsis aperta.

We received a little rain in the Los Angeles area earlier this week. There was just enough light rain to dampen my shirt, muddy my running shoes, and ornament this web with droplets of water. Refreshing as it was, the precipitation did little to relieve our ongoing drought.

To date, according to NWS data,  this is the driest water year in Los Angeles since recordkeeping began in 1877. From July 1, 2006 to March 22, 2007 Downtown Los Angeles (USC) has recorded only 2.47 inches of rain. This is 10.79 inches below normal. Checking back through NWS records, 2.47 inches is the total amount of rain recorded in Downtown Los Angeles from May 23, 2006 through today — a period of 10 months!

In the past few years Los Angeles has experienced a number of weather extremes. The driest water year on record for Los Angeles was just set in 2001-2002, when 4.42 inches were recorded. Then in 2004-2005, Los Angeles was deluged with 37.25 inches of rain — the second wettest on record. During that period, Opids Camp in the San Gabriel Mountains recorded over 100 inches of precipitation! In July of last year Pierce College in Woodland Hills recorded a new all time high temperature for that station of 119°F. This may have been the highest temperature ever recorded in Los Angeles County. In mid January of this year many new record low temperatures for the date were set in the Southern California area. Pierce College plunged to a record low of 20°F (-6.7°C) and a temperature of 10.4°F (-12°C) was recorded at a research site in the Santa Monica Mountains. 

Computer models are indicating another chance of rain early next week. At the moment, the system looks like it could produce rainfall amounts similar to Tuesday’s system, perhaps a little more. But with the equatorial Pacific and atmosphere looking more and more La Nina like, significant rain is looking less likely, and we may be talking about record drought in Southern California for many months to come.  We’ll see!

The photo of the wet spider web was taken near Lasky Mesa in Upper Las Virgenes Canyon Open Space Preserve (formerly Ahmanson Ranch) on Tuesday, March 20, 2007. The funnel shaped web is probably that of the western grass spider, Agelenopsis aperta.

Related posts: Chaparral Freeze, The Color of Rain, El Nino Drought, Sunset Snow Shower, Rainy Morning on Rocky Peak Road.

Laurel Sumac

New growth on the chaparral shrub laurel sumac (Malosma laurina) at Sage Ranch Park.

New growth on the chaparral shrub laurel sumac (Malosma laurina) at Sage Ranch Park. The red pigment may function as a sunscreen, protecting sensitive new leaves until they mature, and can cope with full sun.

In mid January there was widespread freeze damage to laurel sumac in the Santa Monica Mountains, and other wildland areas near Los Angeles. Although the plant pictured above was not damaged, many laurel sumac plants in low lying and wind protected areas were.

But frost, fire or drought, laurel sumac is a resilient plant that can weather most hazards. At Sage Ranch, many of the plants damaged in the January freeze have already sprouted new growth.

From a run at Sage Ranch on Monday, March 12, 2007.

Related posts: Chaparral Freeze, Poison Oak.

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