Isomeris arborea Nutt. var. angustata Parish
Isomeris arborea Nutt. var. globosa Coville
Isomeris arborea Nutt. var. insularis Jeps.
Cleome isomeris Greene
Bladderpod, Arizona bladderpod, bladderpod spiderflower
Bladderpod spiderflowers—what a great name!—are North American natives.
Plants: This shrub has a scent variously described as “unusual,” “ill-scented,” or “pungent smelling.” It is remarkably rounded or oval in shape, up to 8′ (2.4 m) around, evergreen.
Leaves: Inconspicuous thin gray-green leaves ½–1¾″ (1.5–4.5 cm) long, usually in groups of three.
Flowers: Attractive bright yellow flowers with long stamens appear everywhere on the shrub.
Fruits: The fruits (the “bladderpods”) are variably shaped, resembling inflated paper lanterns. They are 1–1½″ (3–4 cm) long, approximately oval, and smooth.
Habitats: Hillsides, grasslands, desert washes and flats, roadsides, stabilized dunes.
Online References:
4/30/2018 · Kelbaker Road, Mojave National Preserve, California · ≈ 12 × 8″ (31 × 20 cm) 
2/17/2007 · Anza-Borrego Desert State Park, California
ID is uncertain 
2/26/2010 · Torrey Pines State Natural Reserve, La Jolla, California · ≈ 3 × 4½″ (7.9 × 11 cm) 
4/30/2018 · Kelbaker Road, Mojave National Preserve, California · ≈ 10 × 6″ (24 × 16 cm) 
2/26/2010 · Torrey Pines State Natural Reserve, La Jolla, California · ≈ 2 × 2½″ (5.6 × 7.3 cm) 
4/30/2018 · Kelbaker Road, Mojave National Preserve, California · ≈ 10 × 6″ (24 × 16 cm) 
4/30/2018 · Kelbaker Road, Mojave National Preserve, California · ≈ 10 × 6″ (24 × 16 cm) 
4/30/2018 · Kelbaker Road, Mojave National Preserve, California · ≈ 10 × 6″ (24 × 16 cm) 
4/30/2018 · Kelbaker Road, Mojave National Preserve, California · ≈ 12 × 8″ (31 × 20 cm) 
| Kingdom | Plantae | Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin) |
| Subkingdom | Tracheobionta | Vascular plants—plants with a “circulatory system” for delivering water and nutrients |
| Division | Magnoliophyta | Flowering plants, also known as angiosperms |
| Class | Magnoliopsida | Dicotyledons—plants with two initial seed leaves |
| Subclass | Rosidae | Roses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more |
| Order | Brassicales | Mustard, cabbage, caper, papaya, nasturtiums, many others; most produce mustard oil |
| Family | Cleomaceae | Caper family |
| Genus | Cleome | An ancient name of some mustard-like plant |
| Species | isomeris | From the Greek isos, “equal,” and meris, “a part,” describing the equally divided pod |
Cleome isomeris description by Thomas H. Kent, not updated.
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