Lyonothamnus flor. Ssp aspleniifolius ‘Santa Cruz Island Ironwood’

Native to: Channel Islands (North America)

Size: 20-30 feet by 15-20 feet wide

Sun: Full sun, tolerates heat and frost
Hardiness: 15-20 degrees
Water: Low (1-2 times weekly during dry months)
Flowers: Whitish flowers, some say the scent is not good.
Attracts: birds
Pests: None observed.
Other Information: This California native evergreen tree is fairly quick growing to a maximum height of 50-60 feet and a width of 15 to 20 feet but is usually seen in cultivation as a slender upright tree with an open canopy no more than 30 feet tall
Great Links to learn more:
https://www.smgrowers.com/products/plants/plantdisplay.asp?plant_id=1024
https://en.wikipedia.org/wiki/Lyonothamnus