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Published byAugust Ell
Modified over 4 years ago
Catclaw Acacia Bipinnately compound leaves Brown, curved spines
Catclaw Acacia Fruit: bean-like Flower: yellow, elongated
Whitethorn Acacia Leaves: Bipinnately compound Spines: Straight, whiteBark: Reddish
Whitethorn Acacia Flower: yellow, spherical
Desert Ironwood Leaves: Simple pinnately compound Flowers: PurpleSpines: dark, thin, slightly curved
Velvet Mesquite My knee for scale Leaves: Large, bipinnately compoundRelatively large leaflets and flowers
Velvet Mesquite Fruit: bean-like Flowers: yellow, long
Foothills Palo Verde Leaves: Bipinnately compound4+ pairs of leaflets/“leaf” Spines: none along branches Bark: green
Foothills Palo Verde Fruit: bean-likeFlower: yellow, with white, upper banner petal
Blue Palo Verde Leaves: bipinnately compound3 or fewer pairs of leaflets/“leaf” Spines along branches Bark: Green Spine Spine
Blue Palo Verde Flower: yellow, with yellow, upper banner petal
Fairy Duster Leaves: Bipinnately compound Fine, dark green leafletsSpines: none Bark: whitish
Fairy Duster Flower: unique
Desert Mistletoe Parasitic Appear as clumps in trees most commonlyPhainopepla is main vector
Jojoba Leaves: simple, vertical DioeciousNuts appear on females in spring and summer
Jojoba Nuts produce high quality wax that is liquid at room temperature Instead of sperm whale oil
Brittlebush Leaves: simple, entire, triangle-shapedFlowers: yellow (like lots of other plants
Brittlebush Yellow, like many other plants
Limberbush Leaves: simple, heart-shaped Bark: red Flexible limbs
Limberbush Flowers: small, white
Ocotillo Multiple arms Flowers: red, tubular Spines: straight, stoutDrought deciduous
Triangle-leaf BursageLeaves: simple, toothed, triangle-shaped
Triangle-leaf BursageBurrs in fall
Ratany Non-descript plant most of year Flowers: purple Fruit: spinedHemi-parasite
Creosote Bush Leaves have a single pair of leafletsYellow flowers developing into white seed pods
Creosote Bush Creosote bush gall and midge
Desert Broom Leaves more like twigs
Desert Broom Leaves more like twigs
Burroweed Finely divided leaves Flowers: yellow turning to whiteLast year’s flower stalks remain for long time
Canyon Ragweed Leaves: simple, long, triangle-shaped with toothed margin Usually occurs in washes and canyons
Canyon Ragweed Flowers: nondescript
Sotol (Desert Spoon) Rosette of leavesLeaves have spines along edges but not at tips
Saguaro Seed 2000 seeds/fruit 100 fruits/yearyears = 20 million+ seeds in lifetime, But only one survives to replace individual in stable population
Saguaro Seedlings Grow under nurse plant Grow ½” first yearGrow 1’ in 15 years Grow 10’ in 40 years (mature)
Saguaro Fruit is edibleFlower: white, large, blooms at night and closes forever the next day
Southwest (or Fishhook) Barrel CactusSpines: long, hooked Fruit: yellow
Southwest (or Fishhook) Barrel CactusFlowers: yellow, orange, or red usually Plant usually leans
Hedgehog Cacti Multiple heads Spines not as dense as pincushion cacti
Prickly Pear Cacti Pads Flowers: many colors Fruit: purple when ripe
Fishhook Pincushion CactusVery dense spines Ring of pink flowers near top Spines: longest with hooks
Chain-fruit (or Jumping) ChollaFruit stay attached and form chains. Flowers: often pink
Chain-fruit (or Jumping) Cholla Blown up 350x; overlapping scales on spine make pulling out the spine very difficult
Teddybear Cholla Fruit are single and do not form chains.
Teddybear Cholla Spines: tend to be more dense than chain-fruit cholla
Staghorn Cholla Spines less dense and arms more spreading than chain-fruit or teddy-bear cholla
Christmas Cholla One spine per areole Red fruit in winterThin segments
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