Basin wiki · Plants
Plants
Trees, shrubs, cacti, and invasives of the Morongo Basin
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Filter by place. Basin-wide entries also appear when you pick a town.
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Basin wiki · Plants
Trees, shrubs, cacti, and invasives of the Morongo Basin
Filter by place. Basin-wide entries also appear when you pick a town.
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Opuntia basilaris
cactus · spring-bloom
Low blue-gray pads and magenta spring flowers. The pads look spineless until the glochids find you.
Morongo Basin +3
Parkinsonia florida

wash
The green-trunked wash tree of the park’s Colorado Desert, blooming yellow in a good spring.
Morongo Basin +2
Juniperus californica
woodland · higher-elevation
The tree that tells you the flats are ending and the cooler slopes toward Pioneertown and the pass have begun.
Morongo Basin +3
Senegalia greggii

wash · shrub
A hooked-thorn wash shrub that hosts desert mistletoe — and will snag a sleeve if you push through.
Morongo Basin +3
Larrea tridentata
shrub · rain-smell
The smell after rain, and the shrub that holds most of the basin’s open ground together.
Morongo Basin +5
Olneya tesota

wash
A slow Sonoran wash tree with iron-hard wood, listed with ocotillo and palo verde in the park’s south.
Morongo Basin +1
Phoradendron californicum

wash
The rusty clumps on catclaw and mesquite that feed phainopeplas through the cool months.
Morongo Basin +3
Chilopsis linearis
riparian · landscaping
A catalpa-family tree of the washes, and one of the few natives that towns here actually plant on purpose.
Morongo Basin +3
Atriplex canescens
shrub · alkaline
The gray workhorse of alkaline flats, roadsides, and lots that look too harsh for anything else.
Morongo Basin +3
Populus fremontii

riparian
The big-leaf tree of real water — Big Morongo’s woodland, not a desert willow lookalike.
Morongo Basin +1
Yucca brevifolia
yucca · iconic
The basin’s namesake yucca: slow, legally protected, and tied to cold winters.
Morongo Basin +4
Sisymbrium irio

invasive
A winter mustard that bolts early on lots and roadsides, the usual mix-up with Sahara mustard.
Morongo Basin +3
Prosopis glandulosa var. torreyana

wash
The basin’s wash mesquites: honey mesquite on many lots, screwbean in the hotter channels.
Morongo Basin +3
Yucca schidigera
yucca · fiber
Bayonet leaves, a flower stalk like a pole, and the plant people mistake for a young Joshua tree.
Morongo Basin +4
Quercus cornelius-mulleri

woodland
A shrubby desert oak of the cooler juniper–pinyon slopes, easy to meet on the park’s west side.
Morongo Basin +2
Fouquieria splendens
succulent · rain-response
Whip canes that leaf out after rain and carry scarlet flowers. More common on the warmer edges than on the Yucca Valley flats.
Morongo Basin +2
Cylindropuntia ramosissima
cactus · bajada
A thin-stemmed cholla of rocky bajadas. Less famous than teddy-bear, and still a reason to watch your ankles.
Joshua Tree NP +2
Salix gooddingii

riparian
True willows of desert springs and creeks. Not the pink-flowered desert willow already in this wiki.
Morongo Basin +2
Brassica tournefortii
invasive · fire-fuel
A winter annual that greens up fast on disturbed soil, then dries into fine fuel under the native shrubs.
Morongo Basin +3
Pinus monophylla

woodland
The single-needle pine of the high west-edge woodland, above the open Joshua tree flats.
Morongo Basin +3
Psorothamnus spinosus
wash · summer-bloom
A wash plant that looks like a puff of smoke when it is leafless, and a flood warning when it lines the sand.
Morongo Basin +3
Salsola tragus

invasive · shrub
The weedy Russian thistle that dries into the rolling ball that piles on fences after wind.
Morongo Basin +3