Salix lasiolepis (Arroyo Willow)

 

8/8/17 Oceano Dunes beach access trail from Oceano campground,

Pismo State Beach, San Luis Obispo County, CA

8/8/17 Oceano Dunes beach access trail from Oceano campground,

Pismo State Beach, San Luis Obispo County, CA

LIFE LIST NOTES:

COMMON NAME: Arroyo Willow

SPECIES: Salix lasiolepis

FAMILY: Salicaceae (Willow Family)

LIFE LIST DATE: 8/8/2017

LOCATION: Oceano Dunes beach access trail from Oceano Campground, Pismo State Beach, 

San Luis County, CA

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Jepson eFlora:

NATIVE
Habit: Shrub, small tree, < 10 m. 

Stem: twigs +- yellow, yellow-green, or yellow- or red-brown, glabrous, densely short-soft-spreading-hairy, or tomentose, generally brittle at base. 

Leaf: later stipules generally leaf-like; petiole 3--16 mm, tomentose to velvety; young leaves white- or white-and-rusty-hairy; mature blade 35--125 mm, strap-shaped to elliptic or obovate, acute to convex (base wedge-shaped to convex), entire to irregularly serrate, +- to strongly rolled under, abaxially generally +- dense-tomentose or -woolly-tomentose or hairs sparsely short-soft-spreading or short- or long-silky, white or white and rusty, wavy, to +- 0. 

Inflorescence: blooming before leaves, pistillate 18--72 mm, on leafy shoots 0--6 mm; flower bract dark brown, with generally wavy hairs, tip broadly rounded. 

Staminate Flower: stamens 2. 

Pistillate Flower: ovary glabrous, stalk 0.5--2.4 mm, style 0.1--0.6 mm. 

Ecology: Abundant. Shores, marshes, meadows, springs, bluffs; 

Elevation: < 2800 m. 

Bioregional Distribution: CA; 

Distribution Outside California: to Washington, Idaho, Texas, Mexico. 

Flowering Time: Jan--Jun 

Note:Highly variable; several weak varieties described. NCo populations suggest intergradation with Salix hookeriana. 

eFlora Treatment Author: George W. Argus