Sunday, March 10, 2019

Platanus racemosa (California Sycamore, Western Sycamore)

3/24/17 Dripping Springs Campground, Agua Tibia, 
Cleveland National Forest, Riverside County, CA


COMMON NAME: California/Western Sycamore

SPECIES: Platanus racemosa

FAMILY: Platanaceae (Plane-Tree/Sycamore Family)


LOCATION: Dripping Springs Campground, Agua Tibia Wilderness, Cleveland National Forest, Riverside County, CA

Treatment from Jepson eFlora:

Stem: 10--35 m, often leaning; base < 1(2+) m wide; outer bark light gray, tan, inner paler. 

Leaf: stipules 2--3 cm, generally persistent after maturity; petiole 3--8 cm; blade +- 10--25 cm, +- round, glabrous to +- hairy adaxially, tomentose abaxially. 

Staminate Flower: sepals 0; petals free. 

Pistillate Flower: sepals free; style red-tipped, stigma maroon, glabrous. 

Fruit: head 2--3 cm, +- sessile; achene 7--10 mm, top truncate or tapered, basal hairs +- 2/3 fruit, persistent on fruit head; style generally persistent. 

Ecology: Common. Streamsides, canyons, arroyos; 

Elevation: < 2000 m. 

Bioregional Distribution: CaRF, c&s SNF, Teh, GV, CW, SW, DMoj (Mojave River, n of Victorville), nw DSon; 

Distribution Outside California: Baja California. 

Flowering Time: Feb--Apr 

Jepson eFlora Author: Robert Lee Allen

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