HOT SPRING PHACELIA 

 (Phacelia thermalis ) 



CLASSIFICATION 



1. FAMILY: Waterleaf Family (Hydrophyllaceae) 



2. GENUS: The genus name Phacelia refers to the clustered 

 flowers (G. phacel - cluster) . 



3. SPECIES: The species epithet thermal is refers to its 

 habitat affinity to hot springs in at least part of its 

 range (G. therm - heat) . 



PRESENT LEGAL OR OTHER FORMAL STATUS 

 1. FEDERAL STATUS 



a. U.S. FISH AND WILDLIFE SERVICE: none 



b. BUREAU OF LAND MANAGEMENT: watch 



2. STATE: The state rank is SI (critically imperiled) based on 

 three records . 



DESCRIPTION 



1. GENERAL NONTECHNICAL DESCRIPTION: Hot-spring phacelia is a 

 prostrate to ascending, multi-stemmed annual 1-3 dm (4-12 

 in) tall, with leaves that are deeply pinnately-lobed and 

 rounded. Leaves and stems are glandular-hairy. The 

 infloresence is densely-flowered, with lavender or whitish 

 flowers, the petals about the same length as sepals. The 

 sepals enlarge and the infloresence elongates in fruit. Thf 

 seeds are prominently pitted in a honeycomb pattern. 



Figure 8. Hot spring phacelia ( Phacelia thermalis ) illustration 





loceha thermalis 



