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The trailhead for the Cactus Spring trail is located 8 miles east of the junction of SR74 and SR371 in the Santa Rosa Mts. The round-trip distance to Horsethief Creek is 4-3/4 miles and to Cactus Spring about 9-1/2. An upside-down V next to the common name indicates a taxon that was new to me when I photographed it on this field trip. |
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Giant four o'clock Mirabilis multiflora var. pubescens Nyctaginaceae |
Acton encelia
Encelia actonii Asteraceae |
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Munz's mariposa lily ^ Calochortus palmeri var. munzii Liliaceae [Named for Edward Palmer, 1829-1911, and Philip Alexander Munz, 1892-1974] |
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Desert woolstar Eriastrum eremicum ssp. eremicum Polemoniaceae |
Hairy yerba santa Eriodictyon trichocalyx var. lanatum Hydrophyllaceae |
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Whitemargin oxytheca ^ Oxytheca emarginata Polygonaceae |
Desert prickly pear Opuntia phaecantha Cactaceae |
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Latimer's woodland-gilia Saltugilia latimeri Polemoniaceae [Named for Arthur Carl Victor Schott, 1814-1875 |
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Riverside spineflower ^ Chorizanthe xanti var. leucotheca Polygonaceae [Named for Janos Xantus, 1825-1894] |
Desert bluebells Phacelia campanularia ssp. campanularia Hydrophyllaceae |
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White sage Salvia apiana Lamiaceae |
Scarlet bugler Penstemon centranthifolius Scrophulariaceae |
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Beavertail cactus Opuntia basilaris var. basilaris Cactaceae |
Strigose lotus Lotus strigosus Fabaceae |
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Southern Chinese houses Collinsia concolor Scrophulariaceae [Named for Zacheus Collins, 1764-1831] |
Woolly indian paintbrush Castilleja foliolosa Scrophulariaceae [Named for Domingo Castillejo Muñoz, 1744-1793 |
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