World Botanical Associates Web Page
Prepared by Richard W. Spjut
Platanus racemosa Nuttall 1842. Sycamore. Deciduous tree to 36 m, bark smooth, whitish gray, creamy inside; leaves simple, alternate, maple-like, on stalks (petioles) 2–10 cm, digitately divided into 3–5 sword-shaped lobes, the lobes serrated to entire, 10–20 cm; flowering Feb–Apr, the flowers in globular unisexual heads strung-out along a flowering branch like a shish kabob, the male heads 8–10 mm diam, the female twice as large, petals and sepals inconspicuous; fruit a spherical head of tiny fruitlets (achenosum). Generally along rivers in the drier regions of California to northern Mexico, below 4,500 ft. California sycamore woodlands recognized in MCV2 when >50% tree cover in the tree layer. Kern Co.: Common below the yellow pine forest (Twisselmann). Platanus racemosa-Quercus lobata Woodland Alliance proposed (Magney 2010), Tejon Ranch Conservancy, Old Headquarters.