UCR - University of California, Riverside Herbarium - Vascular Plants (UCR)
UCR0000432
UCR-BPS-281650
UCR-281650
Hesperoyucca whipplei (Torrey) Trel.
Agavaceae
R.G. Swinney
16661
2014-05-27
2014-5-27
United States, California, Los Angeles, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin
34.1575 -117.87833
T1N R10W sec24
445 meters (1460ft)
S-facing 15-40 % slope near ridgeline; dark brown loam with small rocks < 5 inch; Colby burn of 2014, previously chaparral & coastal sage scrub, dominants incl. Hesperoyucca, Hirschfeldia, Acmispon glaber, A. strigosus, A. maritimus, Calystegia mac., Erodium cic., Bromus dia., with Pennisetum set., Funastrum cyn., Silene, Emmenanthe, etc.
Flowering
Fairly common perennial; 2.1 m infl., white perianth.